# git rev-parse -q --verify 643ad15d47410d37d43daf3ef1c8ac52c281efa5^{commit} 643ad15d47410d37d43daf3ef1c8ac52c281efa5 already have revision, skipping fetch # git checkout -q -f -B kisskb 643ad15d47410d37d43daf3ef1c8ac52c281efa5 # git clean -qxdf # git log -1 commit 643ad15d47410d37d43daf3ef1c8ac52c281efa5 Merge: 24b5e20 0d47638 Author: Linus Torvalds Date: Sun Mar 20 19:08:56 2016 -0700 Merge branch 'mm-pkeys-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 protection key support from Ingo Molnar: "This tree adds support for a new memory protection hardware feature that is available in upcoming Intel CPUs: 'protection keys' (pkeys). There's a background article at LWN.net: https://lwn.net/Articles/643797/ The gist is that protection keys allow the encoding of user-controllable permission masks in the pte. So instead of having a fixed protection mask in the pte (which needs a system call to change and works on a per page basis), the user can map a (handful of) protection mask variants and can change the masks runtime relatively cheaply, without having to change every single page in the affected virtual memory range. This allows the dynamic switching of the protection bits of large amounts of virtual memory, via user-space instructions. It also allows more precise control of MMU permission bits: for example the executable bit is separate from the read bit (see more about that below). This tree adds the MM infrastructure and low level x86 glue needed for that, plus it adds a high level API to make use of protection keys - if a user-space application calls: mmap(..., PROT_EXEC); or mprotect(ptr, sz, PROT_EXEC); (note PROT_EXEC-only, without PROT_READ/WRITE), the kernel will notice this special case, and will set a special protection key on this memory range. It also sets the appropriate bits in the Protection Keys User Rights (PKRU) register so that the memory becomes unreadable and unwritable. So using protection keys the kernel is able to implement 'true' PROT_EXEC on x86 CPUs: without protection keys PROT_EXEC implies PROT_READ as well. Unreadable executable mappings have security advantages: they cannot be read via information leaks to figure out ASLR details, nor can they be scanned for ROP gadgets - and they cannot be used by exploits for data purposes either. We know about no user-space code that relies on pure PROT_EXEC mappings today, but binary loaders could start making use of this new feature to map binaries and libraries in a more secure fashion. There is other pending pkeys work that offers more high level system call APIs to manage protection keys - but those are not part of this pull request. Right now there's a Kconfig that controls this feature (CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS) that is default enabled (like most x86 CPU feature enablement code that has no runtime overhead), but it's not user-configurable at the moment. If there's any serious problem with this then we can make it configurable and/or flip the default" * 'mm-pkeys-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (38 commits) x86/mm/pkeys: Fix mismerge of protection keys CPUID bits mm/pkeys: Fix siginfo ABI breakage caused by new u64 field x86/mm/pkeys: Fix access_error() denial of writes to write-only VMA mm/core, x86/mm/pkeys: Add execute-only protection keys support x86/mm/pkeys: Create an x86 arch_calc_vm_prot_bits() for VMA flags x86/mm/pkeys: Allow kernel to modify user pkey rights register x86/fpu: Allow setting of XSAVE state x86/mm: Factor out LDT init from context init mm/core, x86/mm/pkeys: Add arch_validate_pkey() mm/core, arch, powerpc: Pass a protection key in to calc_vm_flag_bits() x86/mm/pkeys: Actually enable Memory Protection Keys in the CPU x86/mm/pkeys: Add Kconfig prompt to existing config option x86/mm/pkeys: Dump pkey from VMA in /proc/pid/smaps x86/mm/pkeys: Dump PKRU with other kernel registers mm/core, x86/mm/pkeys: Differentiate instruction fetches x86/mm/pkeys: Optimize fault handling in access_error() mm/core: Do not enforce PKEY permissions on remote mm access um, pkeys: Add UML arch_*_access_permitted() methods mm/gup, x86/mm/pkeys: Check VMAs and PTEs for protection keys x86/mm/gup: Simplify get_user_pages() PTE bit handling ... # < /opt/cross/arcompact-buildroot-2015.08.1/bin/arc-buildroot-linux-uclibc-gcc --version # < git log --format=%s --max-count=1 643ad15d47410d37d43daf3ef1c8ac52c281efa5 # < make -j 48 ARCH=arc O=/home/kisskb/slave/build/linus_axs101_defconfig_arcompact CROSS_COMPILE=/opt/cross/arcompact-buildroot-2015.08.1/bin/arc-buildroot-linux-uclibc- axs101_defconfig drivers/pci/pcie/Kconfig:62:warning: choice value used outside its choice group drivers/pci/pcie/Kconfig:68:warning: choice value used outside its choice group drivers/pci/pcie/Kconfig:75:warning: choice value used outside its choice group # Added to kconfig CONFIG_INITRAMFS_SOURCE="" # yes \n | make -j 48 ARCH=arc O=/home/kisskb/slave/build/linus_axs101_defconfig_arcompact CROSS_COMPILE=/opt/cross/arcompact-buildroot-2015.08.1/bin/arc-buildroot-linux-uclibc- oldconfig yes: standard output: Broken pipe yes: write error # make -j 48 ARCH=arc O=/home/kisskb/slave/build/linus_axs101_defconfig_arcompact CROSS_COMPILE=/opt/cross/arcompact-buildroot-2015.08.1/bin/arc-buildroot-linux-uclibc- make[1]: Entering directory '/home/kisskb/slave/build/linus_axs101_defconfig_arcompact' GEN ./Makefile scripts/kconfig/conf --silentoldconfig Kconfig drivers/pci/pcie/Kconfig:62:warning: choice value used outside its choice group drivers/pci/pcie/Kconfig:68:warning: choice value used outside its choice group drivers/pci/pcie/Kconfig:75:warning: choice value used outside its choice group CHK include/config/kernel.release GEN ./Makefile WRAP arch/arc/include/generated/asm/auxvec.h WRAP arch/arc/include/generated/asm/bitsperlong.h WRAP arch/arc/include/generated/asm/bugs.h WRAP arch/arc/include/generated/asm/clkdev.h WRAP arch/arc/include/generated/asm/cputime.h WRAP arch/arc/include/generated/asm/device.h WRAP arch/arc/include/generated/asm/div64.h WRAP arch/arc/include/generated/asm/emergency-restart.h WRAP arch/arc/include/generated/asm/errno.h WRAP arch/arc/include/generated/asm/fb.h WRAP arch/arc/include/generated/asm/fcntl.h WRAP arch/arc/include/generated/asm/ftrace.h WRAP arch/arc/include/generated/asm/hardirq.h WRAP arch/arc/include/generated/asm/hw_irq.h WRAP arch/arc/include/generated/asm/ioctl.h WRAP arch/arc/include/generated/asm/ioctls.h WRAP arch/arc/include/generated/asm/ipcbuf.h WRAP arch/arc/include/generated/asm/kmap_types.h WRAP arch/arc/include/generated/asm/irq_regs.h WRAP arch/arc/include/generated/asm/irq_work.h WRAP arch/arc/include/generated/asm/local.h WRAP arch/arc/include/generated/asm/mm-arch-hooks.h WRAP arch/arc/include/generated/asm/local64.h WRAP arch/arc/include/generated/asm/mcs_spinlock.h WRAP arch/arc/include/generated/asm/kvm_para.h WRAP arch/arc/include/generated/asm/mman.h WRAP arch/arc/include/generated/asm/msgbuf.h WRAP arch/arc/include/generated/asm/parport.h WRAP arch/arc/include/generated/asm/param.h WRAP arch/arc/include/generated/asm/pci.h WRAP arch/arc/include/generated/asm/poll.h WRAP arch/arc/include/generated/asm/percpu.h WRAP arch/arc/include/generated/asm/posix_types.h WRAP arch/arc/include/generated/asm/preempt.h WRAP arch/arc/include/generated/asm/resource.h WRAP arch/arc/include/generated/asm/sembuf.h WRAP arch/arc/include/generated/asm/shmbuf.h WRAP arch/arc/include/generated/asm/siginfo.h WRAP arch/arc/include/generated/asm/socket.h WRAP arch/arc/include/generated/asm/sockios.h WRAP arch/arc/include/generated/asm/stat.h WRAP arch/arc/include/generated/asm/statfs.h WRAP arch/arc/include/generated/asm/termbits.h WRAP arch/arc/include/generated/asm/termios.h WRAP arch/arc/include/generated/asm/topology.h WRAP arch/arc/include/generated/asm/trace_clock.h WRAP arch/arc/include/generated/asm/types.h WRAP arch/arc/include/generated/asm/ucontext.h WRAP arch/arc/include/generated/asm/user.h WRAP arch/arc/include/generated/asm/vga.h WRAP arch/arc/include/generated/asm/word-at-a-time.h WRAP arch/arc/include/generated/asm/xor.h CHK include/generated/uapi/linux/version.h UPD include/generated/uapi/linux/version.h HOSTCC scripts/basic/bin2c UPD include/config/kernel.release Using /home/kisskb/slave/src as source for kernel CHK include/generated/utsrelease.h UPD include/generated/utsrelease.h HOSTCC scripts/kallsyms HOSTCC scripts/pnmtologo HOSTCC scripts/conmakehash HOSTCC scripts/sortextable HOSTCC scripts/dtc/dtc.o HOSTCC scripts/dtc/flattree.o CC scripts/mod/empty.o HOSTCC scripts/dtc/fstree.o HOSTCC scripts/mod/mk_elfconfig HOSTCC scripts/dtc/data.o HOSTCC scripts/dtc/livetree.o CC scripts/mod/devicetable-offsets.s HOSTCC scripts/dtc/treesource.o HOSTCC scripts/dtc/srcpos.o HOSTCC scripts/dtc/checks.o HOSTCC scripts/dtc/util.o SHIPPED scripts/dtc/dtc-lexer.lex.c SHIPPED scripts/dtc/dtc-parser.tab.c SHIPPED scripts/dtc/dtc-parser.tab.h HOSTCC scripts/dtc/dtc-parser.tab.o HOSTCC scripts/dtc/dtc-lexer.lex.o GEN scripts/mod/devicetable-offsets.h MKELF scripts/mod/elfconfig.h HOSTCC scripts/mod/modpost.o HOSTCC scripts/mod/file2alias.o HOSTCC scripts/mod/sumversion.o CHK include/generated/timeconst.h CC kernel/bounds.s UPD include/generated/timeconst.h CHK include/generated/bounds.h UPD include/generated/bounds.h CC arch/arc/kernel/asm-offsets.s CHK include/generated/asm-offsets.h UPD include/generated/asm-offsets.h CALL /home/kisskb/slave/src/scripts/checksyscalls.sh HOSTLD scripts/dtc/dtc :1310:2: warning: #warning syscall preadv2 not implemented [-Wcpp] :1313:2: warning: #warning syscall pwritev2 not implemented [-Wcpp] HOSTLD scripts/mod/modpost CC init/main.o CHK include/generated/compile.h CC init/do_mounts.o CC init/do_mounts_initrd.o CC init/initramfs.o CC init/calibrate.o CC init/init_task.o UPD include/generated/compile.h CC init/version.o HOSTCC usr/gen_init_cpio CC arch/arc/mm/extable.o CC arch/arc/mm/ioremap.o CC arch/arc/mm/dma.o CC arch/arc/mm/fault.o CC arch/arc/mm/tlb.o CC arch/arc/mm/init.o CC arch/arc/mm/cache.o CC arch/arc/mm/mmap.o CC arch/arc/kernel/arcksyms.o CC arch/arc/kernel/setup.o AS arch/arc/mm/tlbex.o CC arch/arc/kernel/irq.o CC arch/arc/kernel/devtree.o CC arch/arc/kernel/signal.o CC arch/arc/kernel/sys.o CC arch/arc/kernel/ptrace.o CC arch/arc/kernel/stacktrace.o CC arch/arc/kernel/traps.o CC arch/arc/kernel/time.o CC arch/arc/kernel/reset.o CC arch/arc/kernel/troubleshoot.o CC arch/arc/kernel/clk.o CC arch/arc/kernel/disasm.o CC arch/arc/kernel/perf_event.o AS arch/arc/kernel/entry-compact.o LDS arch/arc/kernel/vmlinux.lds CC arch/arc/kernel/process.o CC arch/arc/kernel/unwind.o CC arch/arc/kernel/intc-compact.o AS arch/arc/kernel/head.o CC arch/arc/kernel/ctx_sw.o CC arch/arc/kernel/module.o DTC arch/arc/boot/dts/axs101.dtb GEN usr/initramfs_data.cpio.gz In file included from /home/kisskb/slave/src/include/asm-generic/tlb.h:20:0, from /home/kisskb/slave/src/arch/arc/include/asm/tlb.h:45, from /home/kisskb/slave/src/arch/arc/kernel/setup.c:22: /home/kisskb/slave/src/arch/arc/include/asm/tlbflush.h:29:0: warning: "flush_pmd_tlb_range" redefined [enabled by default] #define flush_pmd_tlb_range(vma, s, e) local_flush_pmd_tlb_range(vma, s, e) ^ In file included from /home/kisskb/slave/src/arch/arc/include/asm/pgtable.h:399:0, from /home/kisskb/slave/src/include/linux/mm.h:68, from /home/kisskb/slave/src/include/linux/pagemap.h:7, from /home/kisskb/slave/src/arch/arc/include/asm/tlb.h:44, from /home/kisskb/slave/src/arch/arc/kernel/setup.c:22: /home/kisskb/slave/src/include/asm-generic/pgtable.h:799:0: note: this is the location of the previous definition #define flush_pmd_tlb_range(vma, addr, end) BUILD_BUG() ^ DTB arch/arc/boot/dts/axs101.dtb.S AS arch/arc/boot/dts/axs101.dtb.o CC arch/arc/plat-axs10x/axs10x.o LD arch/arc/boot/dts/built-in.o In file included from /home/kisskb/slave/src/include/asm-generic/tlb.h:20:0, from /home/kisskb/slave/src/arch/arc/include/asm/tlb.h:45, from /home/kisskb/slave/src/arch/arc/include/asm/mmu_context.h:22, from /home/kisskb/slave/src/arch/arc/mm/tlb.c:58: /home/kisskb/slave/src/arch/arc/include/asm/tlbflush.h:29:0: warning: "flush_pmd_tlb_range" redefined [enabled by default] #define flush_pmd_tlb_range(vma, s, e) local_flush_pmd_tlb_range(vma, s, e) ^ In file included from /home/kisskb/slave/src/arch/arc/include/asm/pgtable.h:399:0, from /home/kisskb/slave/src/include/linux/mm.h:68, from /home/kisskb/slave/src/include/linux/pagemap.h:7, from /home/kisskb/slave/src/arch/arc/include/asm/tlb.h:44, from /home/kisskb/slave/src/arch/arc/include/asm/mmu_context.h:22, from /home/kisskb/slave/src/arch/arc/mm/tlb.c:58: /home/kisskb/slave/src/include/asm-generic/pgtable.h:799:0: note: this is the location of the previous definition #define flush_pmd_tlb_range(vma, addr, end) BUILD_BUG() ^ AS usr/initramfs_data.o LD usr/built-in.o CC kernel/fork.o CC kernel/exec_domain.o LD certs/built-in.o CC kernel/panic.o CC kernel/exit.o CC kernel/softirq.o CC kernel/cpu.o CC kernel/sysctl.o CC kernel/resource.o CC kernel/capability.o CC kernel/signal.o CC kernel/user.o CC kernel/ptrace.o CC kernel/workqueue.o CC kernel/kmod.o CC kernel/sys.o CC kernel/sysctl_binary.o CC kernel/task_work.o CC kernel/extable.o CC kernel/sys_ni.o CC kernel/ksysfs.o CC kernel/pid.o CC kernel/params.o CC kernel/kthread.o CC kernel/groups.o CC kernel/notifier.o CC kernel/smpboot.o CC kernel/nsproxy.o CC kernel/range.o CC kernel/async.o CC kernel/bpf/core.o LD kernel/livepatch/built-in.o LD arch/arc/plat-axs10x/built-in.o CC kernel/cred.o CC kernel/reboot.o CC kernel/events/core.o CC kernel/events/callchain.o CC kernel/events/ring_buffer.o CC kernel/power/qos.o CC kernel/printk/printk.o CC kernel/irq/irqdesc.o CC kernel/irq/handle.o CC kernel/locking/mutex.o CC kernel/locking/semaphore.o LD arch/arc/mm/built-in.o CC kernel/rcu/update.o In file included from /home/kisskb/slave/src/include/asm-generic/tlb.h:20:0, from /home/kisskb/slave/src/arch/arc/include/asm/tlb.h:45, from /home/kisskb/slave/src/arch/arc/include/asm/mmu_context.h:22, from /home/kisskb/slave/src/kernel/fork.c:82: /home/kisskb/slave/src/arch/arc/include/asm/tlbflush.h:29:0: warning: "flush_pmd_tlb_range" redefined [enabled by default] #define flush_pmd_tlb_range(vma, s, e) local_flush_pmd_tlb_range(vma, s, e) ^ In file included from /home/kisskb/slave/src/arch/arc/include/asm/pgtable.h:399:0, from /home/kisskb/slave/src/include/linux/mm.h:68, from /home/kisskb/slave/src/include/linux/pagemap.h:7, from /home/kisskb/slave/src/include/linux/mempolicy.h:14, from /home/kisskb/slave/src/kernel/fork.c:21: /home/kisskb/slave/src/include/asm-generic/pgtable.h:799:0: note: this is the location of the previous definition #define flush_pmd_tlb_range(vma, addr, end) BUILD_BUG() ^ CC kernel/rcu/sync.o CC kernel/stacktrace.o CC kernel/futex.o CC kernel/sched/core.o CC kernel/up.o LD init/mounts.o CC kernel/module.o LD init/built-in.o CC kernel/kallsyms.o GZIP kernel/config_data.gz CC kernel/hung_task.o CC kernel/time/time.o CC kernel/watchdog.o In file included from /home/kisskb/slave/src/include/asm-generic/tlb.h:20:0, from /home/kisskb/slave/src/arch/arc/include/asm/tlb.h:45, from /home/kisskb/slave/src/arch/arc/include/asm/mmu_context.h:22, from /home/kisskb/slave/src/kernel/exit.c:60: /home/kisskb/slave/src/arch/arc/include/asm/tlbflush.h:29:0: warning: "flush_pmd_tlb_range" redefined [enabled by default] #define flush_pmd_tlb_range(vma, s, e) local_flush_pmd_tlb_range(vma, s, e) ^ In file included from /home/kisskb/slave/src/arch/arc/include/asm/pgtable.h:399:0, from /home/kisskb/slave/src/include/linux/mm.h:68, from /home/kisskb/slave/src/kernel/exit.c:7: /home/kisskb/slave/src/include/asm-generic/pgtable.h:799:0: note: this is the location of the previous definition #define flush_pmd_tlb_range(vma, addr, end) BUILD_BUG() ^ CC mm/filemap.o CC kernel/utsname_sysctl.o CC kernel/elfcore.o CC kernel/irq/manage.o CC kernel/irq/spurious.o CC kernel/irq_work.o CC kernel/irq/resend.o CC kernel/membarrier.o In file included from /home/kisskb/slave/src/include/asm-generic/tlb.h:20:0, from /home/kisskb/slave/src/arch/arc/include/asm/tlb.h:45, from /home/kisskb/slave/src/arch/arc/include/asm/mmu_context.h:22, from /home/kisskb/slave/src/kernel/sched/core.c:36: /home/kisskb/slave/src/arch/arc/include/asm/tlbflush.h:29:0: warning: "flush_pmd_tlb_range" redefined [enabled by default] #define flush_pmd_tlb_range(vma, s, e) local_flush_pmd_tlb_range(vma, s, e) ^ In file included from /home/kisskb/slave/src/arch/arc/include/asm/pgtable.h:399:0, from /home/kisskb/slave/src/include/linux/mm.h:68, from /home/kisskb/slave/src/kernel/sched/core.c:30: /home/kisskb/slave/src/include/asm-generic/pgtable.h:799:0: note: this is the location of the previous definition #define flush_pmd_tlb_range(vma, addr, end) BUILD_BUG() ^ CC kernel/memremap.o CHK kernel/config_data.h CC kernel/rcu/srcu.o CC kernel/rcu/tree.o CC kernel/locking/rwsem.o UPD kernel/config_data.h /home/kisskb/slave/src/kernel/sysctl.c: In function '__do_proc_doulongvec_minmax': /home/kisskb/slave/src/kernel/sysctl.c:1949:12: warning: 'p' may be used uninitialized in this function [-Wmaybe-uninitialized] ret = tmp - *buf; ^ /home/kisskb/slave/src/kernel/sysctl.c:2363:22: note: 'p' was declared here char *kbuf = NULL, *p; ^ In file included from /home/kisskb/slave/src/include/asm-generic/tlb.h:20:0, from /home/kisskb/slave/src/arch/arc/include/asm/tlb.h:45, from /home/kisskb/slave/src/arch/arc/include/asm/mmu_context.h:22, from /home/kisskb/slave/src/kernel/module.c:51: /home/kisskb/slave/src/arch/arc/include/asm/tlbflush.h:29:0: warning: "flush_pmd_tlb_range" redefined [enabled by default] #define flush_pmd_tlb_range(vma, s, e) local_flush_pmd_tlb_range(vma, s, e) ^ In file included from /home/kisskb/slave/src/arch/arc/include/asm/pgtable.h:399:0, from /home/kisskb/slave/src/include/linux/mm.h:68, from /home/kisskb/slave/src/include/linux/ring_buffer.h:5, from /home/kisskb/slave/src/include/linux/trace_events.h:5, from /home/kisskb/slave/src/kernel/module.c:21: /home/kisskb/slave/src/include/asm-generic/pgtable.h:799:0: note: this is the location of the previous definition #define flush_pmd_tlb_range(vma, addr, end) BUILD_BUG() ^ CC kernel/configs.o CC kernel/locking/percpu-rwsem.o CC kernel/locking/rtmutex.o CC kernel/irq/chip.o /home/kisskb/slave/src/kernel/sysctl.c: In function '__do_proc_dointvec': /home/kisskb/slave/src/kernel/sysctl.c:1949:12: warning: 'p' may be used uninitialized in this function [-Wmaybe-uninitialized] ret = tmp - *buf; ^ /home/kisskb/slave/src/kernel/sysctl.c:2108:22: note: 'p' was declared here char *kbuf = NULL, *p; ^ CC kernel/locking/rwsem-spinlock.o CC kernel/irq/dummychip.o CC ipc/util.o CC kernel/irq/devres.o CC ipc/msgutil.o CC kernel/irq/generic-chip.o CC ipc/msg.o CC kernel/irq/irqdomain.o CC ipc/sem.o CC kernel/irq/proc.o /home/kisskb/slave/src/kernel/sched/core.c: In function 'pick_next_task': /home/kisskb/slave/src/kernel/sched/core.c:3080:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ CC ipc/shm.o CC ipc/syscall.o CC security/commoncap.o CC security/min_addr.o CC mm/mempool.o CC ipc/ipc_sysctl.o CC ipc/mqueue.o CC kernel/sched/loadavg.o CC ipc/namespace.o CC kernel/sched/clock.o CC ipc/mq_sysctl.o CC kernel/sched/cputime.o CC kernel/sched/idle_task.o CC kernel/sched/fair.o CC mm/oom_kill.o CC mm/maccess.o CC kernel/sched/rt.o CC fs/open.o CC kernel/sched/deadline.o CC fs/read_write.o CC kernel/sched/stop_task.o CC fs/file_table.o LD kernel/power/built-in.o CC kernel/sched/wait.o CC kernel/sched/swait.o CC kernel/time/timer.o CC kernel/sched/completion.o CC kernel/sched/idle.o CC kernel/time/hrtimer.o CC kernel/time/itimer.o CC crypto/api.o LD kernel/bpf/built-in.o CC kernel/time/posix-timers.o CC mm/page_alloc.o CC fs/super.o CC crypto/cipher.o CC fs/char_dev.o LD arch/arc/kernel/built-in.o CC fs/stat.o LD arch/arc/built-in.o CC block/bio.o CC block/elevator.o In file included from /home/kisskb/slave/src/include/asm-generic/tlb.h:20:0, from /home/kisskb/slave/src/arch/arc/include/asm/tlb.h:45, from /home/kisskb/slave/src/kernel/sched/idle.c:13: /home/kisskb/slave/src/arch/arc/include/asm/tlbflush.h:29:0: warning: "flush_pmd_tlb_range" redefined [enabled by default] #define flush_pmd_tlb_range(vma, s, e) local_flush_pmd_tlb_range(vma, s, e) ^ In file included from /home/kisskb/slave/src/arch/arc/include/asm/pgtable.h:399:0, from /home/kisskb/slave/src/include/linux/mm.h:68, from /home/kisskb/slave/src/kernel/sched/idle.c:9: /home/kisskb/slave/src/include/asm-generic/pgtable.h:799:0: note: this is the location of the previous definition #define flush_pmd_tlb_range(vma, addr, end) BUILD_BUG() ^ CC fs/pipe.o CC mm/page-writeback.o CC fs/exec.o CC fs/namei.o CC mm/readahead.o LD sound/built-in.o LD kernel/locking/built-in.o CC fs/fcntl.o CC fs/readdir.o CC fs/ioctl.o CC mm/swap.o CC fs/select.o CC crypto/compress.o In file included from /home/kisskb/slave/src/mm/page_alloc.c:68:0: /home/kisskb/slave/src/arch/arc/include/asm/tlbflush.h:29:0: warning: "flush_pmd_tlb_range" redefined [enabled by default] #define flush_pmd_tlb_range(vma, s, e) local_flush_pmd_tlb_range(vma, s, e) ^ In file included from /home/kisskb/slave/src/arch/arc/include/asm/pgtable.h:399:0, from /home/kisskb/slave/src/include/linux/mm.h:68, from /home/kisskb/slave/src/mm/page_alloc.c:18: /home/kisskb/slave/src/include/asm-generic/pgtable.h:799:0: note: this is the location of the previous definition #define flush_pmd_tlb_range(vma, addr, end) BUILD_BUG() ^ LD drivers/amba/built-in.o CC crypto/memneq.o CC fs/dcache.o LD drivers/auxdisplay/built-in.o In file included from /home/kisskb/slave/src/include/asm-generic/tlb.h:20:0, from /home/kisskb/slave/src/arch/arc/include/asm/tlb.h:45, from /home/kisskb/slave/src/arch/arc/include/asm/mmu_context.h:22, from /home/kisskb/slave/src/fs/exec.c:62: /home/kisskb/slave/src/arch/arc/include/asm/tlbflush.h:29:0: warning: "flush_pmd_tlb_range" redefined [enabled by default] #define flush_pmd_tlb_range(vma, s, e) local_flush_pmd_tlb_range(vma, s, e) ^ In file included from /home/kisskb/slave/src/arch/arc/include/asm/pgtable.h:399:0, from /home/kisskb/slave/src/include/linux/mm.h:68, from /home/kisskb/slave/src/fs/exec.c:28: /home/kisskb/slave/src/include/asm-generic/pgtable.h:799:0: note: this is the location of the previous definition #define flush_pmd_tlb_range(vma, addr, end) BUILD_BUG() ^ LD security/built-in.o CC mm/truncate.o CC kernel/time/posix-cpu-timers.o CC fs/inode.o /home/kisskb/slave/src/ipc/shm.c: In function 'SyS_shmat': /home/kisskb/slave/src/ipc/shm.c:1252:2: warning: 'ret' may be used uninitialized in this function [-Wmaybe-uninitialized] return (long)ret; ^ /home/kisskb/slave/src/ipc/shm.c:1245:16: note: 'ret' was declared here unsigned long ret; ^ LD firmware/built-in.o CC mm/vmscan.o LD drivers/block/built-in.o LD kernel/irq/built-in.o LD drivers/bus/built-in.o LD drivers/cdrom/built-in.o CC drivers/char/mem.o CC fs/bad_inode.o CC fs/attr.o CC drivers/char/random.o LD drivers/clocksource/built-in.o CC drivers/base/component.o CC drivers/base/core.o LD drivers/crypto/built-in.o CC mm/shmem.o CC drivers/clk/clk-devres.o LD drivers/firewire/built-in.o CC crypto/crypto_wq.o CC crypto/algapi.o CC net/socket.o LD drivers/firmware/broadcom/built-in.o CC crypto/scatterwalk.o CC drivers/gpio/devres.o In file included from /home/kisskb/slave/src/mm/vmscan.c:51:0: /home/kisskb/slave/src/arch/arc/include/asm/tlbflush.h:29:0: warning: "flush_pmd_tlb_range" redefined [enabled by default] #define flush_pmd_tlb_range(vma, s, e) local_flush_pmd_tlb_range(vma, s, e) ^ In file included from /home/kisskb/slave/src/arch/arc/include/asm/pgtable.h:399:0, from /home/kisskb/slave/src/include/linux/mm.h:68, from /home/kisskb/slave/src/mm/vmscan.c:16: /home/kisskb/slave/src/include/asm-generic/pgtable.h:799:0: note: this is the location of the previous definition #define flush_pmd_tlb_range(vma, addr, end) BUILD_BUG() ^ /home/kisskb/slave/src/kernel/time/posix-cpu-timers.c: In function 'posix_cpu_timer_get': /home/kisskb/slave/src/kernel/time/posix-cpu-timers.c:787:21: warning: 'now' may be used uninitialized in this function [-Wmaybe-uninitialized] sample_to_timespec(timer->it_clock, ^ LD drivers/firmware/built-in.o CC kernel/time/timekeeping.o /home/kisskb/slave/src/kernel/time/posix-cpu-timers.c: In function 'posix_cpu_timer_schedule': /home/kisskb/slave/src/kernel/time/posix-cpu-timers.c:95:8: warning: 'now' may be used uninitialized in this function [-Wmaybe-uninitialized] delta = now + incr - timer->it.cpu.expires; ^ /home/kisskb/slave/src/kernel/time/posix-cpu-timers.c:1023:21: note: 'now' was declared here unsigned long long now; ^ CC fs/file.o CC fs/namespace.o CC drivers/clk/clkdev.o CC fs/filesystems.o /home/kisskb/slave/src/kernel/time/posix-cpu-timers.c: In function 'posix_cpu_timer_set': /home/kisskb/slave/src/kernel/time/posix-cpu-timers.c:665:17: warning: 'val' may be used uninitialized in this function [-Wmaybe-uninitialized] old_expires = timer->it.cpu.expires - val; ^ CC kernel/time/ntp.o LD drivers/gpu/drm/bridge/built-in.o CC fs/seq_file.o LD drivers/gpu/drm/i2c/built-in.o CC fs/xattr.o CC fs/libfs.o CC crypto/proc.o LD drivers/gpu/drm/omapdrm/displays/built-in.o LD ipc/built-in.o CC fs/fs-writeback.o CC drivers/base/bus.o LD drivers/gpu/drm/omapdrm/dss/built-in.o CC fs/pnode.o CC drivers/gpio/gpiolib.o CC drivers/char/misc.o CC mm/util.o LD drivers/gpu/drm/omapdrm/built-in.o /home/kisskb/slave/src/kernel/time/posix-cpu-timers.c: In function 'set_process_cpu_timer': /home/kisskb/slave/src/kernel/time/posix-cpu-timers.c:1238:13: warning: 'now' may be used uninitialized in this function [-Wmaybe-uninitialized] *oldval -= now; ^ CC fs/splice.o CC kernel/time/clocksource.o LD drivers/gpu/drm/panel/built-in.o CC fs/sync.o CC crypto/aead.o CC kernel/time/jiffies.o LD drivers/gpu/drm/tilcdc/built-in.o LD kernel/printk/built-in.o LD drivers/gpu/drm/built-in.o CC kernel/time/timer_list.o CC drivers/clk/clk.o CC drivers/clk/clk-divider.o LD drivers/gpu/vga/built-in.o CC block/blk-core.o CC fs/utimes.o CC kernel/time/timeconv.o LD drivers/gpu/built-in.o CC fs/stack.o CC kernel/time/timecounter.o LD arch/arc/lib/built-in.o CC kernel/time/posix-clock.o CC crypto/ablkcipher.o CC drivers/hid/hid-core.o AS arch/arc/lib/memcmp.o LD drivers/char/agp/built-in.o AS arch/arc/lib/memcpy-700.o CC fs/fs_struct.o LD kernel/sched/built-in.o CC fs/statfs.o CC drivers/hid/hid-input.o AS arch/arc/lib/memset.o LD drivers/char/built-in.o CC kernel/time/alarmtimer.o CC fs/fs_pin.o CC fs/nsfs.o CC mm/mmzone.o AS arch/arc/lib/strchr-700.o CC lib/lockref.o LD drivers/hsi/clients/built-in.o CC fs/buffer.o CC mm/vmstat.o AS arch/arc/lib/strcmp.o CC kernel/time/clockevents.o LD drivers/hsi/controllers/built-in.o CC mm/backing-dev.o LD drivers/hsi/built-in.o CC crypto/blkcipher.o CC fs/block_dev.o AS arch/arc/lib/strcpy-700.o CC fs/direct-io.o CC lib/bcd.o CC mm/mm_init.o CC fs/mpage.o AS arch/arc/lib/strlen.o LD drivers/hwtracing/intel_th/built-in.o CC lib/div64.o CC kernel/time/tick-common.o CC drivers/base/dd.o CC fs/proc_namespace.o CC mm/mmu_context.o CC fs/devpts/inode.o CC mm/percpu.o AR arch/arc/lib/lib.a CC block/blk-tag.o CC crypto/skcipher.o CC drivers/i2c/i2c-boardinfo.o LD fs/exofs/built-in.o /home/kisskb/slave/src/fs/namei.c: In function 'walk_component': /home/kisskb/slave/src/fs/namei.c:1713:2: warning: 'seq' may be used uninitialized in this function [-Wmaybe-uninitialized] return pick_link(nd, link, inode, seq); ^ /home/kisskb/slave/src/fs/namei.c:1722:11: note: 'seq' was declared here unsigned seq; ^ LD kernel/rcu/built-in.o CC kernel/time/tick-oneshot.o CC kernel/time/tick-sched.o CC fs/jbd2/transaction.o CC fs/fat/cache.o CC drivers/base/syscore.o CC fs/kernfs/mount.o CC drivers/clk/clk-fixed-factor.o In file included from /home/kisskb/slave/src/mm/percpu.c:76:0: /home/kisskb/slave/src/arch/arc/include/asm/tlbflush.h:29:0: warning: "flush_pmd_tlb_range" redefined [enabled by default] #define flush_pmd_tlb_range(vma, s, e) local_flush_pmd_tlb_range(vma, s, e) ^ In file included from /home/kisskb/slave/src/arch/arc/include/asm/pgtable.h:399:0, from /home/kisskb/slave/src/include/linux/mm.h:68, from /home/kisskb/slave/src/mm/percpu.c:63: /home/kisskb/slave/src/include/asm-generic/pgtable.h:799:0: note: this is the location of the previous definition #define flush_pmd_tlb_range(vma, addr, end) BUILD_BUG() ^ CC crypto/chainiv.o LD virt/lib/built-in.o In file included from /home/kisskb/slave/src/include/asm-generic/tlb.h:20:0, from /home/kisskb/slave/src/arch/arc/include/asm/tlb.h:45, from /home/kisskb/slave/src/arch/arc/include/asm/mmu_context.h:22, from /home/kisskb/slave/src/mm/mmu_context.c:11: /home/kisskb/slave/src/arch/arc/include/asm/tlbflush.h:29:0: warning: "flush_pmd_tlb_range" redefined [enabled by default] #define flush_pmd_tlb_range(vma, s, e) local_flush_pmd_tlb_range(vma, s, e) ^ In file included from /home/kisskb/slave/src/arch/arc/include/asm/pgtable.h:399:0, from /home/kisskb/slave/src/include/linux/mm.h:68, from /home/kisskb/slave/src/mm/mmu_context.c:6: /home/kisskb/slave/src/include/asm-generic/pgtable.h:799:0: note: this is the location of the previous definition #define flush_pmd_tlb_range(vma, addr, end) BUILD_BUG() ^ CC fs/ext4/balloc.o CC fs/ext4/bitmap.o CC mm/slab_common.o LD virt/built-in.o CC drivers/i2c/i2c-core.o CC fs/lockd/clntproc.o CC fs/lockd/clntlock.o CC drivers/clk/clk-fixed-rate.o CC mm/compaction.o CC lib/sort.o CC mm/vmacache.o CC fs/nfs_common/grace.o CC drivers/base/driver.o CC mm/interval_tree.o CC lib/parser.o CC lib/halfmd4.o CC crypto/eseqiv.o LD fs/devpts/devpts.o LD fs/devpts/built-in.o CC drivers/base/class.o In file included from /home/kisskb/slave/src/mm/slab_common.c:19:0: /home/kisskb/slave/src/arch/arc/include/asm/tlbflush.h:29:0: warning: "flush_pmd_tlb_range" redefined [enabled by default] #define flush_pmd_tlb_range(vma, s, e) local_flush_pmd_tlb_range(vma, s, e) ^ In file included from /home/kisskb/slave/src/arch/arc/include/asm/pgtable.h:399:0, from /home/kisskb/slave/src/include/linux/mm.h:68, from /home/kisskb/slave/src/mm/slab_common.c:8: /home/kisskb/slave/src/include/asm-generic/pgtable.h:799:0: note: this is the location of the previous definition #define flush_pmd_tlb_range(vma, addr, end) BUILD_BUG() ^ /home/kisskb/slave/src/fs/namei.c: In function 'path_openat': /home/kisskb/slave/src/fs/namei.c:1713:2: warning: 'seq' may be used uninitialized in this function [-Wmaybe-uninitialized] return pick_link(nd, link, inode, seq); ^ /home/kisskb/slave/src/fs/namei.c:3070:11: note: 'seq' was declared here unsigned seq; ^ CC fs/nfs/client.o CC drivers/clk/clk-gate.o CC fs/nls/nls_base.o CC mm/list_lru.o CC lib/debug_locks.o LD net/802/built-in.o CC drivers/clk/clk-multiplier.o CC fs/jbd2/commit.o CC mm/workingset.o CC fs/fat/dir.o CC fs/notify/fsnotify.o CC fs/kernfs/inode.o CC crypto/ahash.o CC block/blk-sysfs.o CC mm/debug.o CC lib/random32.o CC mm/gup.o CC drivers/gpio/gpiolib-legacy.o LD kernel/time/built-in.o CC drivers/base/platform.o CC fs/ext4/dir.o CC drivers/base/cpu.o LD fs/nfs_common/built-in.o CC lib/bust_spinlocks.o CC mm/highmem.o CC drivers/clk/clk-mux.o CC fs/ntfs/aops.o CC net/core/sock.o CC crypto/shash.o CC mm/memory.o CC drivers/clk/clk-composite.o CC fs/nls/nls_cp437.o LD fs/quota/built-in.o In file included from /home/kisskb/slave/src/include/asm-generic/tlb.h:20:0, from /home/kisskb/slave/src/arch/arc/include/asm/tlb.h:45, from /home/kisskb/slave/src/arch/arc/include/asm/mmu_context.h:22, from /home/kisskb/slave/src/mm/gup.c:18: /home/kisskb/slave/src/arch/arc/include/asm/tlbflush.h:29:0: warning: "flush_pmd_tlb_range" redefined [enabled by default] #define flush_pmd_tlb_range(vma, s, e) local_flush_pmd_tlb_range(vma, s, e) ^ In file included from /home/kisskb/slave/src/arch/arc/include/asm/pgtable.h:399:0, from /home/kisskb/slave/src/include/linux/mm.h:68, from /home/kisskb/slave/src/mm/gup.c:7: /home/kisskb/slave/src/include/asm-generic/pgtable.h:799:0: note: this is the location of the previous definition #define flush_pmd_tlb_range(vma, addr, end) BUILD_BUG() ^ CC drivers/base/firmware.o CC drivers/hid/hid-generic.o CC fs/ramfs/inode.o CC fs/proc/task_mmu.o CC crypto/akcipher.o CC fs/sysfs/file.o CC mm/mincore.o CC mm/mlock.o CC drivers/gpio/gpiolib-of.o CC lib/kasprintf.o CC fs/nls/nls_iso8859-1.o CC mm/mmap.o CC fs/notify/notification.o CC drivers/base/init.o CC block/blk-flush.o CC drivers/base/map.o CC fs/kernfs/dir.o In file included from /home/kisskb/slave/src/include/asm-generic/tlb.h:20:0, from /home/kisskb/slave/src/arch/arc/include/asm/tlb.h:45, from /home/kisskb/slave/src/arch/arc/include/asm/mmu_context.h:22, from /home/kisskb/slave/src/mm/memory.c:68: /home/kisskb/slave/src/arch/arc/include/asm/tlbflush.h:29:0: warning: "flush_pmd_tlb_range" redefined [enabled by default] #define flush_pmd_tlb_range(vma, s, e) local_flush_pmd_tlb_range(vma, s, e) ^ In file included from /home/kisskb/slave/src/arch/arc/include/asm/pgtable.h:399:0, from /home/kisskb/slave/src/include/linux/mm.h:68, from /home/kisskb/slave/src/mm/memory.c:42: /home/kisskb/slave/src/include/asm-generic/pgtable.h:799:0: note: this is the location of the previous definition #define flush_pmd_tlb_range(vma, addr, end) BUILD_BUG() ^ CC drivers/clk/clk-fractional-divider.o CC drivers/clk/clk-gpio.o In file included from /home/kisskb/slave/src/mm/highmem.c:30:0: /home/kisskb/slave/src/arch/arc/include/asm/tlbflush.h:29:0: warning: "flush_pmd_tlb_range" redefined [enabled by default] #define flush_pmd_tlb_range(vma, s, e) local_flush_pmd_tlb_range(vma, s, e) ^ In file included from /home/kisskb/slave/src/arch/arc/include/asm/pgtable.h:399:0, from /home/kisskb/slave/src/include/linux/mm.h:68, from /home/kisskb/slave/src/mm/highmem.c:19: /home/kisskb/slave/src/include/asm-generic/pgtable.h:799:0: note: this is the location of the previous definition #define flush_pmd_tlb_range(vma, addr, end) BUILD_BUG() ^ CC fs/lockd/clntxdr.o CC mm/mprotect.o CC mm/mremap.o CC mm/msync.o CC fs/lockd/host.o CC lib/bitmap.o CC fs/eventpoll.o CC drivers/hid/usbhid/hid-core.o CC fs/ext4/file.o CC drivers/base/devres.o In file included from /home/kisskb/slave/src/fs/proc/task_mmu.c:21:0: /home/kisskb/slave/src/arch/arc/include/asm/tlbflush.h:29:0: warning: "flush_pmd_tlb_range" redefined [enabled by default] #define flush_pmd_tlb_range(vma, s, e) local_flush_pmd_tlb_range(vma, s, e) ^ In file included from /home/kisskb/slave/src/arch/arc/include/asm/pgtable.h:399:0, from /home/kisskb/slave/src/include/linux/mm.h:68, from /home/kisskb/slave/src/fs/proc/task_mmu.c:1: /home/kisskb/slave/src/include/asm-generic/pgtable.h:799:0: note: this is the location of the previous definition #define flush_pmd_tlb_range(vma, addr, end) BUILD_BUG() ^ LD fs/nls/built-in.o CC lib/scatterlist.o CC fs/anon_inodes.o CC fs/notify/group.o CC fs/ramfs/file-mmu.o In file included from /home/kisskb/slave/src/include/asm-generic/tlb.h:20:0, from /home/kisskb/slave/src/arch/arc/include/asm/tlb.h:45, from /home/kisskb/slave/src/arch/arc/include/asm/mmu_context.h:22, from /home/kisskb/slave/src/include/linux/pkeys.h:5, from /home/kisskb/slave/src/mm/mmap.c:45: /home/kisskb/slave/src/arch/arc/include/asm/tlbflush.h:29:0: warning: "flush_pmd_tlb_range" redefined [enabled by default] #define flush_pmd_tlb_range(vma, s, e) local_flush_pmd_tlb_range(vma, s, e) ^ In file included from /home/kisskb/slave/src/arch/arc/include/asm/pgtable.h:399:0, from /home/kisskb/slave/src/include/linux/mm.h:68, from /home/kisskb/slave/src/include/linux/pagemap.h:7, from /home/kisskb/slave/src/include/linux/blkdev.h:14, from /home/kisskb/slave/src/include/linux/backing-dev.h:14, from /home/kisskb/slave/src/mm/mmap.c:13: /home/kisskb/slave/src/include/asm-generic/pgtable.h:799:0: note: this is the location of the previous definition #define flush_pmd_tlb_range(vma, addr, end) BUILD_BUG() ^ CC mm/rmap.o CC crypto/algboss.o CC fs/jbd2/recovery.o CC drivers/gpio/gpio-generic.o CC crypto/testmgr.o CC fs/jbd2/checkpoint.o CC drivers/base/attribute_container.o CC mm/vmalloc.o CC mm/pagewalk.o CC drivers/clk/clk-conf.o In file included from /home/kisskb/slave/src/include/asm-generic/tlb.h:20:0, from /home/kisskb/slave/src/arch/arc/include/asm/tlb.h:45, from /home/kisskb/slave/src/arch/arc/include/asm/mmu_context.h:22, from /home/kisskb/slave/src/include/linux/pkeys.h:5, from /home/kisskb/slave/src/mm/mprotect.c:27: /home/kisskb/slave/src/arch/arc/include/asm/tlbflush.h:29:0: warning: "flush_pmd_tlb_range" redefined [enabled by default] #define flush_pmd_tlb_range(vma, s, e) local_flush_pmd_tlb_range(vma, s, e) ^ In file included from /home/kisskb/slave/src/arch/arc/include/asm/pgtable.h:399:0, from /home/kisskb/slave/src/include/linux/mm.h:68, from /home/kisskb/slave/src/mm/mprotect.c:11: /home/kisskb/slave/src/include/asm-generic/pgtable.h:799:0: note: this is the location of the previous definition #define flush_pmd_tlb_range(vma, addr, end) BUILD_BUG() ^ CC fs/ext4/fsync.o CC fs/sysfs/dir.o In file included from /home/kisskb/slave/src/mm/mremap.c:27:0: /home/kisskb/slave/src/arch/arc/include/asm/tlbflush.h:29:0: warning: "flush_pmd_tlb_range" redefined [enabled by default] #define flush_pmd_tlb_range(vma, s, e) local_flush_pmd_tlb_range(vma, s, e) ^ In file included from /home/kisskb/slave/src/arch/arc/include/asm/pgtable.h:399:0, from /home/kisskb/slave/src/include/linux/mm.h:68, from /home/kisskb/slave/src/mm/mremap.c:10: /home/kisskb/slave/src/include/asm-generic/pgtable.h:799:0: note: this is the location of the previous definition #define flush_pmd_tlb_range(vma, addr, end) BUILD_BUG() ^ LD fs/ramfs/ramfs.o LD fs/ramfs/built-in.o In file included from /home/kisskb/slave/src/include/linux/sched.h:22:0, from /home/kisskb/slave/src/include/linux/kasan.h:4, from /home/kisskb/slave/src/include/linux/slab.h:112, from /home/kisskb/slave/src/mm/mmap.c:12: /home/kisskb/slave/src/mm/mmap.c: In function 'vma_adjust': /home/kisskb/slave/src/include/linux/rbtree.h:83:28: warning: 'rb_parent' may be used uninitialized in this function [-Wmaybe-uninitialized] node->__rb_parent_color = (unsigned long)parent; ^ /home/kisskb/slave/src/mm/mmap.c:590:29: note: 'rb_parent' was declared here struct rb_node **rb_link, *rb_parent; ^ In file included from /home/kisskb/slave/src/include/linux/sched.h:22:0, from /home/kisskb/slave/src/include/linux/kasan.h:4, from /home/kisskb/slave/src/include/linux/slab.h:112, from /home/kisskb/slave/src/mm/mmap.c:12: /home/kisskb/slave/src/include/linux/rbtree.h:86:11: warning: 'rb_link' may be used uninitialized in this function [-Wmaybe-uninitialized] *rb_link = node; ^ /home/kisskb/slave/src/mm/mmap.c:590:19: note: 'rb_link' was declared here struct rb_node **rb_link, *rb_parent; ^ /home/kisskb/slave/src/mm/mmap.c:558:17: warning: 'prev' may be used uninitialized in this function [-Wmaybe-uninitialized] __vma_link_list(mm, vma, prev, rb_parent); ^ /home/kisskb/slave/src/mm/mmap.c:589:25: note: 'prev' was declared here struct vm_area_struct *prev; ^ CC fs/signalfd.o CC drivers/base/transport_class.o CC fs/nfs/dir.o CC mm/pgtable-generic.o In file included from /home/kisskb/slave/src/mm/rmap.c:65:0: /home/kisskb/slave/src/arch/arc/include/asm/tlbflush.h:29:0: warning: "flush_pmd_tlb_range" redefined [enabled by default] #define flush_pmd_tlb_range(vma, s, e) local_flush_pmd_tlb_range(vma, s, e) ^ In file included from /home/kisskb/slave/src/arch/arc/include/asm/pgtable.h:399:0, from /home/kisskb/slave/src/include/linux/mm.h:68, from /home/kisskb/slave/src/mm/rmap.c:48: /home/kisskb/slave/src/include/asm-generic/pgtable.h:799:0: note: this is the location of the previous definition #define flush_pmd_tlb_range(vma, addr, end) BUILD_BUG() ^ CC fs/timerfd.o CC fs/eventfd.o CC fs/ntfs/attrib.o LD drivers/clk/bcm/built-in.o In file included from /home/kisskb/slave/src/fs/ext4/file.c:30:0: /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h: In function 'ext4_inode_journal_mode': /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:409:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ CC fs/jbd2/revoke.o CC fs/notify/inode_mark.o CC fs/notify/mark.o In file included from /home/kisskb/slave/src/mm/vmalloc.c:35:0: /home/kisskb/slave/src/arch/arc/include/asm/tlbflush.h:29:0: warning: "flush_pmd_tlb_range" redefined [enabled by default] #define flush_pmd_tlb_range(vma, s, e) local_flush_pmd_tlb_range(vma, s, e) ^ In file included from /home/kisskb/slave/src/arch/arc/include/asm/pgtable.h:399:0, from /home/kisskb/slave/src/include/linux/mm.h:68, from /home/kisskb/slave/src/mm/vmalloc.c:12: /home/kisskb/slave/src/include/asm-generic/pgtable.h:799:0: note: this is the location of the previous definition #define flush_pmd_tlb_range(vma, addr, end) BUILD_BUG() ^ CC drivers/base/topology.o CC block/blk-settings.o CC crypto/crypto_null.o CC drivers/base/container.o CC crypto/aes_generic.o CC mm/init-mm.o CC fs/lockd/svc.o In file included from /home/kisskb/slave/src/fs/ext4/fsync.c:32:0: /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h: In function 'ext4_inode_journal_mode': /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:409:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ CC mm/nobootmem.o CC drivers/base/property.o CC mm/fadvise.o In file included from /home/kisskb/slave/src/include/asm-generic/tlb.h:20:0, from /home/kisskb/slave/src/arch/arc/include/asm/tlb.h:45, from /home/kisskb/slave/src/mm/pgtable-generic.c:10: /home/kisskb/slave/src/arch/arc/include/asm/tlbflush.h:29:0: warning: "flush_pmd_tlb_range" redefined [enabled by default] #define flush_pmd_tlb_range(vma, s, e) local_flush_pmd_tlb_range(vma, s, e) ^ In file included from /home/kisskb/slave/src/arch/arc/include/asm/pgtable.h:399:0, from /home/kisskb/slave/src/include/linux/mm.h:68, from /home/kisskb/slave/src/include/linux/pagemap.h:7, from /home/kisskb/slave/src/mm/pgtable-generic.c:9: /home/kisskb/slave/src/include/asm-generic/pgtable.h:799:0: note: this is the location of the previous definition #define flush_pmd_tlb_range(vma, addr, end) BUILD_BUG() ^ LD kernel/events/built-in.o CC fs/sysfs/symlink.o CC mm/madvise.o LD kernel/built-in.o CC drivers/base/cacheinfo.o CC drivers/gpio/gpio-dwapb.o CC fs/jbd2/journal.o CC fs/aio.o CC mm/memblock.o CC block/blk-ioc.o CC fs/lockd/svclock.o CC mm/dmapool.o CC fs/fat/fatent.o CC fs/ext4/ialloc.o CC lib/gcd.o CC fs/proc/inode.o CC lib/lcm.o CC drivers/base/devtmpfs.o CC lib/list_sort.o CC crypto/crc32c_generic.o CC lib/uuid.o In file included from /home/kisskb/slave/src/include/asm-generic/bug.h:13:0, from /home/kisskb/slave/src/arch/arc/include/asm/bug.h:31, from /home/kisskb/slave/src/include/linux/bug.h:4, from /home/kisskb/slave/src/include/linux/mmdebug.h:4, from /home/kisskb/slave/src/include/linux/gfp.h:4, from /home/kisskb/slave/src/include/linux/slab.h:14, from /home/kisskb/slave/src/mm/nobootmem.c:13: /home/kisskb/slave/src/mm/nobootmem.c: In function '__free_pages_memory': /home/kisskb/slave/src/include/linux/kernel.h:754:17: warning: comparison of distinct pointer types lacks a cast [enabled by default] (void) (&_min1 == &_min2); \ ^ /home/kisskb/slave/src/mm/nobootmem.c:100:11: note: in expansion of macro 'min' order = min(MAX_ORDER - 1UL, __ffs(start)); ^ CC drivers/base/power/clock_ops.o CC fs/locks.o CC lib/flex_array.o CC fs/notify/vfsmount_mark.o CC fs/notify/fdinfo.o CC lib/iov_iter.o CC fs/kernfs/file.o CC fs/ext4/inode.o CC lib/clz_ctz.o CC drivers/i2c/i2c-dev.o CC crypto/rng.o In file included from /home/kisskb/slave/src/include/asm-generic/tlb.h:20:0, from /home/kisskb/slave/src/arch/arc/include/asm/tlb.h:45, from /home/kisskb/slave/src/mm/madvise.c:25: /home/kisskb/slave/src/arch/arc/include/asm/tlbflush.h:29:0: warning: "flush_pmd_tlb_range" redefined [enabled by default] #define flush_pmd_tlb_range(vma, s, e) local_flush_pmd_tlb_range(vma, s, e) ^ In file included from /home/kisskb/slave/src/arch/arc/include/asm/pgtable.h:399:0, from /home/kisskb/slave/src/include/linux/mm.h:68, from /home/kisskb/slave/src/include/linux/mman.h:4, from /home/kisskb/slave/src/mm/madvise.c:8: /home/kisskb/slave/src/include/asm-generic/pgtable.h:799:0: note: this is the location of the previous definition #define flush_pmd_tlb_range(vma, addr, end) BUILD_BUG() ^ LD drivers/clk/built-in.o CC fs/binfmt_script.o CC fs/sysfs/mount.o CC fs/kernfs/symlink.o CC lib/bsearch.o LD drivers/idle/built-in.o CC mm/slub.o CC drivers/base/regmap/regmap.o CC [M] crypto/echainiv.o CC fs/binfmt_elf.o CC drivers/input/input.o LD drivers/base/power/built-in.o CC lib/find_bit.o CC fs/mbcache.o CC drivers/base/dma-mapping.o CC block/blk-map.o CC fs/drop_caches.o CC drivers/base/firmware_class.o CC fs/coredump.o CC lib/llist.o CC fs/notify/dnotify/dnotify.o CC fs/lockd/svcshare.o CC drivers/base/module.o LD fs/notify/fanotify/built-in.o CC fs/ext4/page-io.o CC fs/ntfs/collate.o CC fs/lockd/svcproc.o CC fs/ntfs/compress.o CC [M] crypto/hmac.o CC fs/sysfs/group.o CC fs/notify/inotify/inotify_fsnotify.o LD drivers/gpio/built-in.o CC lib/memweight.o In file included from /home/kisskb/slave/src/include/linux/elf.h:4:0, from /home/kisskb/slave/src/include/linux/module.h:15, from /home/kisskb/slave/src/fs/binfmt_elf.c:12: /home/kisskb/slave/src/fs/binfmt_elf.c: In function 'load_elf_binary': /home/kisskb/slave/src/arch/arc/include/asm/elf.h:58:29: warning: integer overflow in expression [-Woverflow] #define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3) ^ /home/kisskb/slave/src/fs/binfmt_elf.c:919:16: note: in expansion of macro 'ELF_ET_DYN_BASE' load_bias = ELF_ET_DYN_BASE - vaddr; ^ CC drivers/hid/usbhid/hid-quirks.o CC lib/kfifo.o CC fs/proc/root.o CC drivers/input/serio/serio.o In file included from /home/kisskb/slave/src/fs/ext4/inode.c:41:0: /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h: In function 'ext4_inode_journal_mode': /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:409:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ CC fs/ntfs/debug.o CC lib/percpu-refcount.o CC block/blk-exec.o CC lib/percpu_ida.o LD drivers/i2c/algos/built-in.o LD fs/kernfs/built-in.o CC lib/rhashtable.o LD drivers/i2c/muxes/built-in.o CC [M] crypto/sha256_generic.o CC drivers/i2c/busses/i2c-designware-core.o CC drivers/i2c/busses/i2c-designware-platdrv.o In file included from /home/kisskb/slave/src/include/asm-generic/tlb.h:20:0, from /home/kisskb/slave/src/arch/arc/include/asm/tlb.h:45, from /home/kisskb/slave/src/arch/arc/include/asm/mmu_context.h:22, from /home/kisskb/slave/src/fs/coredump.c:38: /home/kisskb/slave/src/arch/arc/include/asm/tlbflush.h:29:0: warning: "flush_pmd_tlb_range" redefined [enabled by default] #define flush_pmd_tlb_range(vma, s, e) local_flush_pmd_tlb_range(vma, s, e) ^ In file included from /home/kisskb/slave/src/arch/arc/include/asm/pgtable.h:399:0, from /home/kisskb/slave/src/include/linux/mm.h:68, from /home/kisskb/slave/src/fs/coredump.c:4: /home/kisskb/slave/src/include/asm-generic/pgtable.h:799:0: note: this is the location of the previous definition #define flush_pmd_tlb_range(vma, addr, end) BUILD_BUG() ^ CC [M] crypto/drbg.o CC [M] crypto/jitterentropy.o CC drivers/input/serio/serport.o CC fs/ntfs/dir.o CC fs/ntfs/file.o CC fs/notify/inotify/inotify_user.o LD fs/notify/dnotify/built-in.o CC fs/fat/file.o CC net/core/request_sock.o CC net/core/skbuff.o LD fs/sysfs/built-in.o CC fs/ntfs/index.o CC fs/proc/base.o CC fs/proc/generic.o CC block/blk-merge.o CC [M] crypto/jitterentropy-kcapi.o CC lib/reciprocal_div.o CC lib/once.o LD drivers/hid/usbhid/usbhid.o LD crypto/crypto.o LD drivers/hid/usbhid/built-in.o LD crypto/crypto_algapi.o LD drivers/hid/hid.o LD crypto/crypto_blkcipher.o LD crypto/crypto_hash.o In file included from /home/kisskb/slave/src/include/linux/jbd2.h:26:0, from /home/kisskb/slave/src/fs/jbd2/journal.c:28: /home/kisskb/slave/src/fs/jbd2/journal.c: In function 'jbd2_journal_init_inode': /home/kisskb/slave/src/include/linux/buffer_head.h:363:2: warning: 'blocknr' may be used uninitialized in this function [-Wmaybe-uninitialized] return __getblk_gfp(bdev, block, size, 0); ^ /home/kisskb/slave/src/fs/jbd2/journal.c:1216:21: note: 'blocknr' was declared here unsigned long long blocknr; ^ CC lib/string_helpers.o CC fs/proc/array.o LD crypto/cryptomgr.o CC lib/hexdump.o LD drivers/hid/built-in.o CC fs/proc/fd.o CC lib/kstrtox.o CC fs/lockd/svcsubs.o CC fs/lockd/mon.o CC lib/pci_iomap.o CC fs/lockd/xdr.o CC block/blk-softirq.o CC drivers/irqchip/irqchip.o LD drivers/i2c/busses/i2c-designware-platform.o CC drivers/irqchip/irq-dw-apb-ictl.o CC drivers/input/serio/libps2.o CC block/blk-timeout.o CC fs/ntfs/inode.o CC fs/nfs/file.o CC fs/nfs/getroot.o CC lib/iomap_copy.o In file included from /home/kisskb/slave/src/arch/arc/include/asm/bug.h:31:0, from /home/kisskb/slave/src/include/linux/bug.h:4, from /home/kisskb/slave/src/include/linux/thread_info.h:11, from /home/kisskb/slave/src/include/asm-generic/preempt.h:4, from arch/arc/include/generated/asm/preempt.h:1, from /home/kisskb/slave/src/include/linux/preempt.h:59, from /home/kisskb/slave/src/include/linux/spinlock.h:50, from /home/kisskb/slave/src/include/linux/seqlock.h:35, from /home/kisskb/slave/src/include/linux/time.h:5, from /home/kisskb/slave/src/fs/proc/generic.c:12: /home/kisskb/slave/src/fs/proc/generic.c: In function '__proc_create': /home/kisskb/slave/src/include/asm-generic/bug.h:74:48: warning: 'fn' may be used uninitialized in this function [-Wmaybe-uninitialized] #define __WARN_printf(arg...) warn_slowpath_fmt(__FILE__, __LINE__, arg) ^ /home/kisskb/slave/src/fs/proc/generic.c:361:14: note: 'fn' was declared here const char *fn; ^ CC fs/proc/proc_tty.o In file included from /home/kisskb/slave/src/include/linux/jbd2.h:26:0, from /home/kisskb/slave/src/fs/jbd2/journal.c:28: /home/kisskb/slave/src/fs/jbd2/journal.c: In function 'jbd2_journal_get_descriptor_buffer': /home/kisskb/slave/src/include/linux/buffer_head.h:370:2: warning: 'blocknr' may be used uninitialized in this function [-Wmaybe-uninitialized] return __getblk_gfp(bdev, block, size, __GFP_MOVABLE); ^ /home/kisskb/slave/src/fs/jbd2/journal.c:813:21: note: 'blocknr' was declared here unsigned long long blocknr; ^ LD drivers/i2c/busses/built-in.o CC lib/devres.o CC fs/ext4/ioctl.o LD drivers/i2c/built-in.o CC fs/ext4/namei.o CC lib/hweight.o CC lib/bitrev.o CC net/core/datagram.o CC lib/rational.o CC net/core/stream.o LD crypto/built-in.o CC fs/ext4/super.o LD drivers/leds/built-in.o LD [M] crypto/jitterentropy_rng.o CC fs/lockd/clnt4xdr.o CC lib/crc16.o CC fs/proc/cmdline.o CC drivers/base/regmap/regcache.o HOSTCC lib/gen_crc32table LD drivers/lguest/built-in.o CC block/blk-lib.o CC block/blk-mq.o LD drivers/irqchip/built-in.o CC lib/lz4/lz4_decompress.o CC fs/ntfs/mft.o LD fs/notify/inotify/built-in.o LD drivers/macintosh/built-in.o CC lib/fonts/fonts.o CC lib/lzo/lzo1x_compress.o LD fs/notify/built-in.o /home/kisskb/slave/src/fs/ext4/inode.c: In function 'ext4_get_block_unwritten': /home/kisskb/slave/src/fs/ext4/inode.c:561:5: warning: 'retval' may be used uninitialized in this function [-Wmaybe-uninitialized] if (retval > 0 && map->m_flags & EXT4_MAP_MAPPED) { ^ /home/kisskb/slave/src/fs/ext4/inode.c:472:6: note: 'retval' was declared here int retval; ^ CC fs/proc/consoles.o CC drivers/mfd/syscon.o CC fs/proc/cpuinfo.o CC lib/syscall.o CC lib/xz/xz_dec_syms.o CC lib/xz/xz_dec_stream.o CC fs/ntfs/mst.o CC lib/nlattr.o /home/kisskb/slave/src/fs/ext4/inode.c: In function 'ext4_dio_get_block_overwrite': /home/kisskb/slave/src/fs/ext4/inode.c:561:5: warning: 'retval' may be used uninitialized in this function [-Wmaybe-uninitialized] if (retval > 0 && map->m_flags & EXT4_MAP_MAPPED) { ^ /home/kisskb/slave/src/fs/ext4/inode.c:472:6: note: 'retval' was declared here int retval; ^ CC lib/zlib_inflate/inffast.o LD drivers/media/common/b2c2/built-in.o CC fs/proc/devices.o CC lib/checksum.o LD drivers/input/serio/built-in.o CC fs/fat/inode.o /home/kisskb/slave/src/fs/ext4/inode.c: In function 'ext4_get_block': /home/kisskb/slave/src/fs/ext4/inode.c:561:5: warning: 'retval' may be used uninitialized in this function [-Wmaybe-uninitialized] if (retval > 0 && map->m_flags & EXT4_MAP_MAPPED) { ^ /home/kisskb/slave/src/fs/ext4/inode.c:472:6: note: 'retval' was declared here int retval; ^ CC block/blk-mq-tag.o CC fs/proc/interrupts.o CC lib/fonts/font_8x8.o LD drivers/media/common/saa7146/built-in.o CC fs/proc/loadavg.o /home/kisskb/slave/src/fs/ext4/inode.c: In function 'ext4_block_zero_page_range': /home/kisskb/slave/src/fs/ext4/inode.c:561:5: warning: 'retval' may be used uninitialized in this function [-Wmaybe-uninitialized] if (retval > 0 && map->m_flags & EXT4_MAP_MAPPED) { ^ /home/kisskb/slave/src/fs/ext4/inode.c:472:6: note: 'retval' was declared here int retval; ^ CC fs/proc/meminfo.o CC lib/xz/xz_dec_lzma2.o LD drivers/misc/cb710/built-in.o LD drivers/media/common/siano/built-in.o CC lib/fonts/font_8x16.o CC lib/atomic64.o CC fs/ntfs/namei.o LD drivers/media/common/built-in.o LD drivers/misc/eeprom/built-in.o CC lib/dynamic_queue_limits.o LD lib/lz4/built-in.o CC drivers/input/input-compat.o CC lib/net_utils.o LD fs/jbd2/jbd2.o LD drivers/misc/lis3lv02d/built-in.o LD drivers/media/firewire/built-in.o CC fs/proc/stat.o LD fs/jbd2/built-in.o /home/kisskb/slave/src/fs/ext4/inode.c: In function 'ext4_dio_get_block_unwritten_async': /home/kisskb/slave/src/fs/ext4/inode.c:561:5: warning: 'retval' may be used uninitialized in this function [-Wmaybe-uninitialized] if (retval > 0 && map->m_flags & EXT4_MAP_MAPPED) { ^ /home/kisskb/slave/src/fs/ext4/inode.c:472:6: note: 'retval' was declared here int retval; ^ CC fs/lockd/xdr4.o CC fs/proc/uptime.o CC net/core/scm.o CC fs/lockd/svc4proc.o CC fs/proc/version.o CC fs/lockd/procfs.o LD drivers/media/i2c/soc_camera/built-in.o CC fs/nfs/inode.o CC lib/argv_split.o LD drivers/misc/mic/bus/built-in.o LD drivers/media/i2c/built-in.o CC lib/cmdline.o CC lib/ctype.o CC lib/zlib_inflate/inflate.o CC lib/dec_and_lock.o LD drivers/misc/mic/built-in.o LD lib/fonts/font.o CC fs/ntfs/runlist.o CC lib/lzo/lzo1x_decompress_safe.o /home/kisskb/slave/src/fs/ext4/inode.c: In function 'ext4_dio_get_block_unwritten_sync': /home/kisskb/slave/src/fs/ext4/inode.c:561:5: warning: 'retval' may be used uninitialized in this function [-Wmaybe-uninitialized] if (retval > 0 && map->m_flags & EXT4_MAP_MAPPED) { ^ /home/kisskb/slave/src/fs/ext4/inode.c:472:6: note: 'retval' was declared here int retval; ^ CC fs/proc/softirqs.o CC fs/ntfs/super.o CC block/blk-mq-sysfs.o LD lib/fonts/built-in.o LD drivers/mfd/built-in.o CC drivers/base/regmap/regcache-rbtree.o CC lib/decompress.o CC lib/decompress_bunzip2.o CC lib/decompress_inflate.o CC fs/proc/namespaces.o LD drivers/media/mmc/siano/built-in.o CC lib/decompress_unlz4.o CC drivers/input/ff-core.o CC drivers/input/input-mt.o LD drivers/misc/ti-st/built-in.o CC fs/ntfs/sysctl.o CC lib/decompress_unlzma.o CC lib/decompress_unlzo.o CC block/blk-mq-cpu.o LD mm/built-in.o LD drivers/media/mmc/built-in.o CC lib/decompress_unxz.o CC fs/ntfs/unistr.o LD drivers/misc/built-in.o CC lib/dma-noop.o CC fs/proc/self.o CC drivers/base/regmap/regcache-lzo.o CC fs/ntfs/upcase.o /home/kisskb/slave/src/fs/ext4/inode.c: In function 'ext4_map_blocks': /home/kisskb/slave/src/fs/ext4/inode.c:561:5: warning: 'retval' may be used uninitialized in this function [-Wmaybe-uninitialized] if (retval > 0 && map->m_flags & EXT4_MAP_MAPPED) { ^ CC drivers/mmc/card/block.o CC lib/xz/xz_dec_bcj.o CC fs/proc/thread_self.o CC lib/dump_stack.o CC fs/proc/proc_sysctl.o CC fs/nfs/super.o In file included from /home/kisskb/slave/src/fs/ext4/inode.c:41:0: /home/kisskb/slave/src/fs/ext4/inode.c: In function 'ext4_dio_get_block': /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:315:21: warning: 'handle' may be used uninitialized in this function [-Wmaybe-uninitialized] __ext4_journal_stop(__func__, __LINE__, (handle)) ^ /home/kisskb/slave/src/fs/ext4/inode.c:783:12: note: 'handle' was declared here handle_t *handle; ^ CC drivers/net/mii.o LD drivers/media/pci/b2c2/built-in.o CC lib/earlycpio.o CC fs/proc/proc_net.o CC fs/proc/kmsg.o /home/kisskb/slave/src/fs/ext4/inode.c: In function 'ext4_getblk': /home/kisskb/slave/src/fs/ext4/inode.c:561:5: warning: 'retval' may be used uninitialized in this function [-Wmaybe-uninitialized] if (retval > 0 && map->m_flags & EXT4_MAP_MAPPED) { ^ /home/kisskb/slave/src/fs/ext4/inode.c:472:6: note: 'retval' was declared here int retval; ^ LD drivers/media/pci/ddbridge/built-in.o LD lib/lzo/lzo_compress.o /home/kisskb/slave/src/net/core/datagram.c: In function 'skb_recv_datagram': /home/kisskb/slave/src/net/core/datagram.c:99:5: warning: 'last' may be used uninitialized in this function [-Wmaybe-uninitialized] if (sk->sk_receive_queue.prev != skb) ^ /home/kisskb/slave/src/net/core/datagram.c:267:24: note: 'last' was declared here struct sk_buff *skb, *last; ^ LD lib/lzo/lzo_decompress.o CC lib/extable.o CC drivers/mmc/core/core.o LD lib/lzo/built-in.o CC lib/fdt.o LD drivers/media/pci/dm1105/built-in.o CC fs/ext4/symlink.o CC lib/fdt_empty_tree.o CC lib/fdt_ro.o CC lib/fdt_rw.o /home/kisskb/slave/src/net/core/datagram.c: In function '__skb_recv_datagram': /home/kisskb/slave/src/net/core/datagram.c:99:5: warning: 'last' may be used uninitialized in this function [-Wmaybe-uninitialized] if (sk->sk_receive_queue.prev != skb) ^ /home/kisskb/slave/src/net/core/datagram.c:267:24: note: 'last' was declared here struct sk_buff *skb, *last; ^ CC drivers/input/mousedev.o LD drivers/media/pci/mantis/built-in.o CC fs/proc/page.o CC lib/fdt_strerror.o CC lib/fdt_wip.o CC lib/fdt_sw.o CC block/blk-mq-cpumap.o CC lib/flex_proportions.o LD drivers/media/pci/netup_unidvb/built-in.o CC block/ioctl.o CC drivers/base/regmap/regcache-flat.o CC drivers/input/evdev.o CC lib/idr.o CC block/genhd.o CC lib/int_sqrt.o LD drivers/media/platform/omap/built-in.o CC block/scsi_ioctl.o CC drivers/input/keyboard/atkbd.o CC lib/ioremap.o LD drivers/media/pci/pluto2/built-in.o LD drivers/media/pci/ngene/built-in.o LD drivers/media/platform/built-in.o CC lib/irq_regs.o CC net/core/gen_stats.o LD drivers/nfc/built-in.o LD lib/xz/xz_dec.o LD drivers/media/pci/pt1/built-in.o LD drivers/media/tuners/built-in.o CC lib/is_single_threaded.o LD drivers/media/pci/pt3/built-in.o LD drivers/media/rc/keymaps/built-in.o LD lib/xz/built-in.o CC drivers/input/mouse/psmouse-base.o CC lib/klist.o LD drivers/media/pci/saa7146/built-in.o CC lib/kobject.o CC net/core/gen_estimator.o LD drivers/media/pci/smipcie/built-in.o LD drivers/media/rc/built-in.o LD drivers/nvme/host/built-in.o CC net/core/net_namespace.o CC net/core/secure_seq.o LD fs/lockd/lockd.o LD drivers/media/pci/ttpci/built-in.o CC net/core/flow_dissector.o LD drivers/nvme/built-in.o LD drivers/media/pci/built-in.o CC lib/kobject_uevent.o CC lib/md5.o CC lib/nmi_backtrace.o LD fs/lockd/built-in.o LD drivers/media/usb/dvb-usb/built-in.o LD drivers/media/usb/b2c2/built-in.o CC block/partition-generic.o CC drivers/base/regmap/regmap-mmio.o CC fs/ext4/hash.o LD drivers/perf/built-in.o CC lib/zlib_inflate/infutil.o CC lib/plist.o CC lib/proportions.o CC lib/radix-tree.o CC drivers/net/Space.o CC lib/ratelimit.o LD drivers/media/usb/s2255/built-in.o LD drivers/media/usb/dvb-usb-v2/built-in.o CC drivers/net/loopback.o CC net/ethernet/eth.o LD drivers/platform/built-in.o LD drivers/media/usb/stkwebcam/built-in.o CC drivers/of/base.o LD drivers/media/usb/siano/built-in.o CC drivers/of/device.o CC net/core/sysctl_net_core.o LD drivers/power/built-in.o LD drivers/media/usb/ttusb-budget/built-in.o LD drivers/media/usb/ttusb-dec/built-in.o CC lib/rbtree.o CC fs/fat/misc.o CC lib/seq_buf.o CC lib/sha1.o LD drivers/media/usb/zr364xx/built-in.o CC block/ioprio.o CC lib/show_mem.o LD drivers/media/usb/built-in.o CC fs/fat/nfs.o CC drivers/ptp/ptp_clock.o CC drivers/pps/pps.o CC lib/string.o LD fs/ntfs/ntfs.o CC lib/zlib_inflate/inftrees.o LD fs/ntfs/built-in.o CC net/core/dev.o CC lib/timerqueue.o LD drivers/media/built-in.o CC lib/vsprintf.o LD drivers/base/regmap/built-in.o CC drivers/of/platform.o GEN lib/crc32table.h CC lib/crc32.o LD drivers/base/built-in.o LD drivers/input/input-core.o CC drivers/of/fdt.o LD drivers/pwm/built-in.o CC lib/zlib_inflate/inflate_syms.o CC drivers/reset/core.o CC block/badblocks.o CC fs/ext4/resize.o LD drivers/soc/bcm/built-in.o CC block/bsg.o CC net/ipv4/route.o CC net/core/ethtool.o CC block/deadline-iosched.o CC block/noop-iosched.o CC fs/fat/namei_vfat.o CC net/core/dev_addr_lists.o CC block/partitions/check.o LD drivers/soc/fsl/built-in.o CC drivers/net/phy/phy.o CC block/partitions/msdos.o CC fs/fat/namei_msdos.o LD drivers/net/ethernet/cadence/built-in.o LD fs/proc/proc.o LD lib/zlib_inflate/zlib_inflate.o CC drivers/scsi/scsi.o CC drivers/scsi/hosts.o CC fs/ext4/extents.o LD drivers/soc/built-in.o LD lib/zlib_inflate/built-in.o LD drivers/input/keyboard/built-in.o LD fs/fat/fat.o LD drivers/net/ethernet/ezchip/built-in.o LD fs/proc/built-in.o CC drivers/scsi/scsi_ioctl.o CC net/ipv4/inetpeer.o LD drivers/net/ethernet/qualcomm/built-in.o LD drivers/net/ethernet/netronome/built-in.o LD drivers/net/wireless/admtek/built-in.o LD drivers/net/ethernet/renesas/built-in.o LD drivers/net/ethernet/rocker/built-in.o CC block/cfq-iosched.o LD drivers/net/ethernet/samsung/built-in.o CC net/core/dst.o LD drivers/net/wireless/ath/built-in.o CC drivers/pps/kapi.o LD drivers/reset/built-in.o CC drivers/pps/sysfs.o CC net/core/netevent.o CC drivers/of/fdt_address.o CC drivers/tty/tty_io.o LD drivers/net/ethernet/synopsys/built-in.o LD drivers/pps/clients/built-in.o LD drivers/net/wireless/atmel/built-in.o LD net/ethernet/built-in.o CC drivers/of/address.o CC drivers/ptp/ptp_chardev.o CC drivers/net/phy/phy_device.o CC drivers/net/phy/mdio_bus.o CC fs/nfs/direct.o LD drivers/net/wireless/broadcom/built-in.o CC net/core/neighbour.o LD drivers/pps/generators/built-in.o CC drivers/usb/common/common.o LD drivers/net/wireless/cisco/built-in.o LD lib/built-in.o LD drivers/net/wireless/intel/built-in.o CC net/ipv6/addrconf_core.o CC net/ipv6/exthdrs_core.o /home/kisskb/slave/src/block/cfq-iosched.c: In function 'cfq_async_queue_prio': /home/kisskb/slave/src/block/cfq-iosched.c:3793:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ LD drivers/net/wireless/intersil/built-in.o LD drivers/net/wireless/marvell/built-in.o CC block/partitions/efi.o CC drivers/mmc/card/queue.o CC drivers/net/ethernet/stmicro/stmmac/stmmac_main.o LD drivers/net/wireless/mediatek/built-in.o /home/kisskb/slave/src/net/core/ethtool.c: In function 'ethtool_get_feature_mask': /home/kisskb/slave/src/net/core/ethtool.c:295:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ In file included from /home/kisskb/slave/src/fs/ext4/extents.c:43:0: /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h: In function 'ext4_inode_journal_mode': /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:409:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ LD drivers/net/wireless/ralink/built-in.o CC net/core/rtnetlink.o LD drivers/net/wireless/realtek/built-in.o CC drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.o LD drivers/net/wireless/rsi/built-in.o CC drivers/of/irq.o CC fs/nfs/pagelist.o LD drivers/net/wireless/st/built-in.o LD drivers/net/wireless/ti/built-in.o LD drivers/net/wireless/zydas/built-in.o CC drivers/input/mouse/synaptics.o LD fs/fat/msdos.o CC drivers/of/of_net.o CC drivers/input/mouse/focaltech.o CC drivers/of/of_mdio.o LD drivers/pps/pps_core.o LD drivers/net/wireless/built-in.o LD drivers/pps/built-in.o CC net/core/utils.o CC drivers/input/mouse/alps.o CC drivers/mmc/core/bus.o LD drivers/video/backlight/built-in.o CC drivers/scsi/scsicam.o LD drivers/usb/common/usb-common.o CC net/core/link_watch.o LD drivers/usb/common/built-in.o CC drivers/scsi/scsi_error.o CC net/core/filter.o CC drivers/video/console/dummycon.o CC net/ipv6/ip6_checksum.o CC drivers/scsi/scsi_lib.o CC drivers/scsi/scsi_common.o CC drivers/usb/core/usb.o CC drivers/ptp/ptp_sysfs.o CC drivers/usb/core/hub.o CC drivers/usb/host/ehci-hcd.o CC net/ipv4/protocol.o CC drivers/mmc/core/host.o CC drivers/scsi/scsi_lib_dma.o CC drivers/video/console/fbcon.o CC drivers/input/mouse/byd.o CC net/core/sock_diag.o CC drivers/scsi/scsi_scan.o CC net/ipv6/ip6_icmp.o CC net/ipv6/output_core.o /home/kisskb/slave/src/fs/ext4/inode.c: In function 'ext4_get_next_extent': /home/kisskb/slave/src/fs/ext4/inode.c:5628:6: warning: 'retval' may be used uninitialized in this function [-Wmaybe-uninitialized] if (ret < 0) ^ CC drivers/net/phy/mdio_device.o LD fs/fat/vfat.o CC drivers/net/phy/national.o LD fs/fat/built-in.o CC fs/nfs/read.o CC net/core/dev_ioctl.o CC fs/nfs/symlink.o CC net/ipv4/ip_input.o CC net/core/tso.o LD drivers/mmc/card/mmc_block.o LD drivers/ptp/ptp.o CC net/core/sock_reuseport.o LD drivers/mmc/card/built-in.o LD drivers/ptp/built-in.o CC fs/nfs/unlink.o CC net/core/flow.o CC drivers/input/mouse/logips2pp.o CC drivers/mmc/host/sdhci.o LD drivers/of/built-in.o /home/kisskb/slave/src/net/core/neighbour.c: In function 'neigh_sysctl_register': /home/kisskb/slave/src/net/core/neighbour.c:3180:10: warning: 'p_name' may be used uninitialized in this function [-Wmaybe-uninitialized] snprintf(neigh_path, sizeof(neigh_path), "net/%s/neigh/%s", ^ CC drivers/mmc/host/dw_mmc.o CC drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.o CC fs/ext4/ext4_jbd2.o CC drivers/input/mouse/trackpoint.o LD block/partitions/built-in.o CC drivers/scsi/scsi_sysfs.o CC drivers/scsi/scsi_devinfo.o CC drivers/usb/core/hcd.o CC drivers/mmc/core/mmc.o CC drivers/usb/core/urb.o CC net/core/net-sysfs.o /home/kisskb/slave/src/drivers/usb/core/hub.c: In function 'hub_port_reset': /home/kisskb/slave/src/drivers/usb/core/hub.c:2767:16: warning: 'portchange' may be used uninitialized in this function [-Wmaybe-uninitialized] (portchange & USB_PORT_STAT_C_CONNECTION)) ^ /home/kisskb/slave/src/drivers/usb/core/hub.c:2718:6: note: 'portchange' was declared here u16 portchange; ^ /home/kisskb/slave/src/drivers/usb/core/hub.c:2740:20: warning: 'portstatus' may be used uninitialized in this function [-Wmaybe-uninitialized] if (!(portstatus & USB_PORT_STAT_RESET)) ^ /home/kisskb/slave/src/drivers/usb/core/hub.c:2717:6: note: 'portstatus' was declared here u16 portstatus; ^ CC net/ipv6/protocol.o CC net/ipv6/ip6_offload.o LD drivers/net/phy/libphy.o CC net/ipv6/tcpv6_offload.o CC net/core/net-procfs.o LD drivers/net/phy/built-in.o CC fs/ext4/migrate.o CC fs/ext4/mballoc.o CC net/core/ptp_classifier.o CC fs/nfs/write.o AR lib/lib.a In file included from /home/kisskb/slave/src/fs/ext4/ext4_jbd2.c:5:0: /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h: In function 'ext4_inode_journal_mode': /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:409:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ CC drivers/input/mouse/touchkit_ps2.o LD drivers/usb/misc/built-in.o CC drivers/usb/phy/of.o CC fs/nfs/namespace.o CC net/ipv6/udp_offload.o CC fs/nfs/mount_clnt.o CC drivers/input/mouse/cypress_ps2.o CC drivers/net/ethernet/stmicro/stmmac/ring_mode.o CC net/ipv6/exthdrs_offload.o In file included from /home/kisskb/slave/src/fs/ext4/extents.c:44:0: /home/kisskb/slave/src/fs/ext4/extents.c: In function 'ext4_ext_convert_to_initialized.isra.60': /home/kisskb/slave/src/fs/ext4/ext4_extents.h:224:8: warning: '*((void *)&zero_ex+8)' may be used uninitialized in this function [-Wmaybe-uninitialized] block = le32_to_cpu(ex->ee_start_lo); ^ /home/kisskb/slave/src/fs/ext4/extents.c:3410:21: note: '*((void *)&zero_ex+8)' was declared here struct ext4_extent zero_ex; ^ In file included from /home/kisskb/slave/src/fs/ext4/extents.c:44:0: /home/kisskb/slave/src/fs/ext4/ext4_extents.h:225:12: warning: '*((void *)&zero_ex+6)' may be used uninitialized in this function [-Wmaybe-uninitialized] block |= ((ext4_fsblk_t) le16_to_cpu(ex->ee_start_hi) << 31) << 1; ^ /home/kisskb/slave/src/fs/ext4/extents.c:3410:21: note: '*((void *)&zero_ex+6)' was declared here struct ext4_extent zero_ex; ^ /home/kisskb/slave/src/fs/ext4/extents.c:3129:2: warning: 'zero_ex.ee_block' may be used uninitialized in this function [-Wmaybe-uninitialized] return ext4_es_insert_extent(inode, ee_block, ee_len, ee_pblock, ^ /home/kisskb/slave/src/fs/ext4/extents.c:3410:21: note: 'zero_ex.ee_block' was declared here struct ext4_extent zero_ex; ^ CC fs/ext4/move_extent.o CC fs/ext4/block_validity.o CC fs/ext4/mmp.o CC net/ipv4/ip_fragment.o CC drivers/mmc/host/dw_mmc-pltfm.o CC drivers/input/mouse/sermouse.o CC fs/nfs/nfstrace.o LD drivers/usb/phy/built-in.o CC fs/nfs/sysctl.o CC fs/nfs/nfs2super.o CC drivers/usb/storage/scsiglue.o In file included from /home/kisskb/slave/src/fs/ext4/mballoc.c:24:0: /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h: In function 'ext4_inode_journal_mode': /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:409:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ CC drivers/scsi/scsi_sysctl.o CC drivers/net/ethernet/stmicro/stmmac/chain_mode.o CC fs/nfs/proc.o CC drivers/net/ethernet/stmicro/stmmac/dwmac_lib.o CC fs/nfs/nfs2xdr.o CC drivers/scsi/scsi_proc.o CC drivers/scsi/scsi_trace.o CC drivers/mmc/host/sdhci-pltfm.o CC drivers/scsi/scsi_logging.o CC drivers/scsi/sd.o CC drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.o In file included from /home/kisskb/slave/src/fs/ext4/move_extent.c:19:0: /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h: In function 'ext4_inode_journal_mode': /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:409:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ CC drivers/usb/core/message.o CC drivers/input/mouse/synaptics_usb.o CC net/ipv4/ip_forward.o CC fs/ext4/indirect.o LD block/built-in.o CC drivers/video/logo/logo.o CC fs/nfs/nfs3super.o CC drivers/mmc/core/mmc_ops.o CC fs/nfs/nfs3client.o CC drivers/mmc/core/sd.o CC drivers/usb/core/driver.o CC drivers/video/fbdev/core/fb_cmdline.o CC drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.o CC drivers/mmc/core/sd_ops.o LOGO drivers/video/logo/logo_superh_mono.c LOGO drivers/video/logo/logo_linux_mono.c /home/kisskb/slave/src/fs/ext4/extents.c: In function 'ext4_ext_map_blocks': /home/kisskb/slave/src/fs/ext4/extents.c:2320:14: warning: 'len' may be used uninitialized in this function [-Wmaybe-uninitialized] ext4_lblk_t len; ^ CC fs/ext4/extents_status.o LOGO drivers/video/logo/logo_superh_vga16.c LOGO drivers/video/logo/clut_vga16.c LD net/ipv6/built-in.o CC drivers/net/ethernet/stmicro/stmmac/dwmac100_core.o LOGO drivers/video/logo/logo_linux_vga16.c LOGO drivers/video/logo/logo_blackfin_vga16.c CC fs/ext4/xattr.o CC drivers/usb/core/config.o CC net/key/af_key.o CC drivers/tty/n_tty.o LOGO drivers/video/logo/logo_spe_clut224.c CC drivers/tty/tty_ioctl.o CC fs/nfs/nfs3proc.o LOGO drivers/video/logo/logo_mac_clut224.c CC fs/nfs/nfs3xdr.o LOGO drivers/video/logo/logo_sun_clut224.c LOGO drivers/video/logo/logo_superh_clut224.c LD drivers/input/mouse/psmouse.o LOGO drivers/video/logo/logo_linux_clut224.c LOGO drivers/video/logo/logo_parisc_clut224.c CC drivers/video/console/bitblit.o LOGO drivers/video/logo/logo_blackfin_clut224.c LOGO drivers/video/logo/logo_dec_clut224.c LOGO drivers/video/logo/logo_m32r_clut224.c LOGO drivers/video/logo/logo_sgi_clut224.c LD drivers/video/logo/built-in.o CC fs/ext4/xattr_user.o CC fs/ext4/xattr_trusted.o CC drivers/video/console/softcursor.o CC fs/ext4/inline.o CC drivers/usb/storage/protocol.o CC fs/ext4/readpage.o In file included from /home/kisskb/slave/src/fs/ext4/indirect.c:23:0: /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h: In function 'ext4_inode_journal_mode': /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:409:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ CC drivers/usb/storage/transport.o CC drivers/video/fbdev/core/fb_notify.o CC fs/ext4/sysfs.o CC drivers/usb/storage/usb.o LD drivers/input/mouse/built-in.o CC drivers/video/fbdev/core/fbmem.o LD drivers/input/built-in.o CC drivers/mmc/core/sdio.o CC net/ipv4/ip_options.o CC drivers/mmc/core/sdio_ops.o LD drivers/scsi/scsi_mod.o CC drivers/mmc/core/sdio_bus.o CC drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.o CC drivers/mmc/core/sdio_cis.o CC net/ipv4/ip_output.o CC drivers/mmc/core/sdio_io.o CC net/ipv4/ip_sockglue.o CC drivers/net/ethernet/stmicro/stmmac/enh_desc.o In file included from /home/kisskb/slave/src/fs/ext4/inline.c:17:0: /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h: In function 'ext4_inode_journal_mode': /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:409:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ CC drivers/video/fbdev/core/fbmon.o CC drivers/net/ethernet/stmicro/stmmac/norm_desc.o CC drivers/video/fbdev/core/fbcmap.o CC drivers/net/ethernet/stmicro/stmmac/mmc_core.o CC drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.o CC drivers/usb/storage/initializers.o CC drivers/mmc/core/sdio_irq.o CC drivers/usb/core/file.o CC drivers/usb/core/buffer.o CC drivers/usb/storage/sierra_ms.o LD fs/nfs/nfsv2.o CC drivers/usb/storage/option_ms.o CC drivers/tty/tty_ldisc.o LD drivers/mmc/host/built-in.o CC drivers/usb/storage/usual-tables.o CC drivers/mmc/core/quirks.o CC drivers/mmc/core/slot-gpio.o CC drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.o CC drivers/mmc/core/pwrseq.o LD fs/nfs/nfs.o CC drivers/mmc/core/pwrseq_simple.o CC drivers/mmc/core/pwrseq_emmc.o /home/kisskb/slave/src/drivers/usb/storage/transport.c: In function 'usb_stor_bulk_transfer_sg': /home/kisskb/slave/src/drivers/usb/storage/transport.c:499:15: warning: 'partial' may be used uninitialized in this function [-Wmaybe-uninitialized] length_left -= partial; ^ CC drivers/video/fbdev/core/fbsysfs.o CC drivers/net/ethernet/stmicro/stmmac/stmmac_platform.o CC drivers/usb/core/sysfs.o /home/kisskb/slave/src/drivers/usb/storage/transport.c: In function 'usb_stor_bulk_srb': /home/kisskb/slave/src/drivers/usb/storage/transport.c:473:40: warning: 'partial' may be used uninitialized in this function [-Wmaybe-uninitialized] scsi_set_resid(srb, scsi_bufflen(srb) - partial); ^ CC drivers/net/ethernet/stmicro/stmmac/dwmac-generic.o CC drivers/tty/tty_buffer.o CC net/netlink/genetlink.o CC net/netlink/af_netlink.o CC drivers/video/fbdev/core/modedb.o CC drivers/usb/core/endpoint.o CC drivers/tty/tty_port.o CC drivers/usb/core/devio.o CC drivers/usb/core/notify.o CC drivers/tty/tty_mutex.o CC drivers/usb/core/generic.o CC drivers/tty/tty_ldsem.o CC drivers/tty/pty.o CC drivers/usb/core/quirks.o LD drivers/video/fbdev/omap2/omapfb/displays/built-in.o LD drivers/video/fbdev/omap2/omapfb/dss/built-in.o CC drivers/usb/core/devices.o LD drivers/video/fbdev/omap2/omapfb/built-in.o LD drivers/tty/ipwireless/built-in.o CC drivers/usb/core/port.o CC drivers/usb/core/of.o LD drivers/video/fbdev/omap2/built-in.o CC drivers/video/fbdev/core/fbcvt.o CC drivers/tty/serial/serial_core.o LD drivers/mmc/core/mmc_core.o CC drivers/tty/serial/earlycon.o CC drivers/usb/host/ehci-platform.o CC drivers/usb/host/ohci-hcd.o CC net/packet/af_packet.o LD drivers/mmc/core/built-in.o CC drivers/tty/vt/vt_ioctl.o LD drivers/mmc/built-in.o CC drivers/usb/host/ohci-platform.o CC drivers/tty/vt/vc_screen.o CC net/ipv4/inet_hashtables.o CC drivers/tty/vt/selection.o CC net/sched/sch_generic.o CC net/sched/sch_mq.o CC drivers/tty/vt/keyboard.o LD drivers/usb/storage/usb-storage.o CC net/ipv4/inet_timewait_sock.o CC drivers/tty/serial/8250/8250_core.o LD drivers/usb/storage/built-in.o LD drivers/net/ethernet/stmicro/stmmac/stmmac.o LD net/wireless/built-in.o CC net/unix/af_unix.o CC drivers/tty/vt/consolemap.o CC net/unix/garbage.o CONMK drivers/tty/vt/consolemap_deftbl.c CC drivers/tty/vt/vt.o LD drivers/net/ethernet/stmicro/stmmac/stmmac-platform.o SHIPPED drivers/tty/vt/defkeymap.c LD drivers/net/ethernet/stmicro/stmmac/built-in.o CC net/sysctl_net.o CC net/ipv4/inet_connection_sock.o CC drivers/tty/vt/consolemap_deftbl.o CC net/sunrpc/clnt.o LD drivers/net/ethernet/stmicro/built-in.o CC net/sunrpc/xprt.o CC net/xfrm/xfrm_policy.o CC net/xfrm/xfrm_state.o CC net/xfrm/xfrm_hash.o LD drivers/net/ethernet/built-in.o CC drivers/tty/vt/defkeymap.o CC net/xfrm/xfrm_input.o LD drivers/video/fbdev/core/fb.o LD drivers/video/console/built-in.o CC net/unix/sysctl_net_unix.o LD drivers/video/fbdev/core/built-in.o CC net/ipv4/tcp.o CC net/ipv4/tcp_input.o CC net/xfrm/xfrm_output.o LD drivers/video/fbdev/built-in.o LD drivers/net/built-in.o LD fs/nfs/nfsv3.o LD drivers/video/built-in.o CC net/sunrpc/socklib.o LD fs/nfs/built-in.o CC drivers/tty/serial/8250/8250_port.o CC net/sunrpc/xprtsock.o CC drivers/tty/serial/8250/8250_early.o CC net/sunrpc/sched.o CC drivers/tty/serial/8250/8250_dw.o CC net/sunrpc/auth.o CC drivers/tty/serial/8250/8250_of.o LD net/core/built-in.o CC net/sunrpc/auth_null.o CC net/ipv4/tcp_output.o CC net/sunrpc/auth_unix.o /home/kisskb/slave/src/drivers/tty/serial/8250/8250_core.c: In function 'univ8250_release_irq': /home/kisskb/slave/src/drivers/tty/serial/8250/8250_core.c:250:10: warning: 'i' may be used uninitialized in this function [-Wmaybe-uninitialized] BUG_ON(i->head == NULL); ^ /home/kisskb/slave/src/drivers/tty/serial/8250/8250_core.c:235:19: note: 'i' was declared here struct irq_info *i; ^ CC net/sunrpc/auth_generic.o CC net/ipv4/tcp_timer.o CC net/ipv4/tcp_ipv4.o CC net/xfrm/xfrm_sysctl.o CC net/ipv4/tcp_minisocks.o CC net/xfrm/xfrm_replay.o CC net/ipv4/tcp_cong.o CC net/xfrm/xfrm_algo.o CC net/ipv4/tcp_metrics.o CC net/ipv4/tcp_fastopen.o CC net/ipv4/tcp_recovery.o CC net/sunrpc/svc.o CC net/ipv4/tcp_offload.o LD drivers/tty/serial/8250/8250.o CC net/ipv4/datagram.o CC net/sunrpc/svcsock.o CC net/ipv4/raw.o CC net/sunrpc/svcauth.o CC net/sunrpc/addr.o CC net/sunrpc/svcauth_unix.o CC net/ipv4/udp.o CC net/sunrpc/rpcb_clnt.o CC net/ipv4/udplite.o LD drivers/scsi/sd_mod.o LD drivers/scsi/built-in.o CC net/sunrpc/timer.o CC net/ipv4/udp_offload.o LD net/sched/built-in.o CC net/sunrpc/xdr.o LD drivers/usb/host/built-in.o CC net/sunrpc/sunrpc_syms.o CC net/ipv4/arp.o CC net/ipv4/icmp.o CC net/sunrpc/cache.o LD net/key/built-in.o CC net/ipv4/devinet.o CC net/sunrpc/rpc_pipe.o CC net/sunrpc/svc_xprt.o CC net/ipv4/af_inet.o CC net/ipv4/igmp.o CC net/ipv4/fib_frontend.o CC net/sunrpc/stats.o In file included from /home/kisskb/slave/src/include/linux/sunrpc/svcsock.h:13:0, from /home/kisskb/slave/src/net/sunrpc/svcsock.c:52: /home/kisskb/slave/src/include/linux/sunrpc/svc_xprt.h: In function 'svc_addr_len': /home/kisskb/slave/src/include/linux/sunrpc/svc_xprt.h:175:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ CC net/sunrpc/sysctl.o /home/kisskb/slave/src/net/unix/af_unix.c: In function 'unix_bind': /home/kisskb/slave/src/net/unix/af_unix.c:1036:20: warning: 'hash' may be used uninitialized in this function [-Wmaybe-uninitialized] addr->hash = hash ^ sk->sk_type; ^ CC net/ipv4/fib_semantics.o /home/kisskb/slave/src/net/packet/af_packet.c: In function 'tpacket_rcv': /home/kisskb/slave/src/net/packet/af_packet.c:2159:33: warning: 'hdrlen' may be used uninitialized in this function [-Wmaybe-uninitialized] unsigned short macoff, netoff, hdrlen; ^ CC net/ipv4/fib_trie.o LD fs/ext4/ext4.o CC net/ipv4/inet_fragment.o CC net/ipv4/ping.o In file included from /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:16:0: /home/kisskb/slave/src/net/ipv4/tcp_metrics.c: In function 'tcp_metrics_nl_cmd_get': /home/kisskb/slave/src/include/net/inetpeer.h:141:6: warning: 'saddr..key[3]' may be used uninitialized in this function [-Wmaybe-uninitialized] if (a->key[i] == b->key[i]) ^ /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:982:23: note: 'saddr..key[3]' was declared here struct inetpeer_addr saddr, daddr; ^ In file included from /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:16:0: /home/kisskb/slave/src/include/net/inetpeer.h:141:6: warning: 'saddr..key[2]' may be used uninitialized in this function [-Wmaybe-uninitialized] if (a->key[i] == b->key[i]) ^ /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:982:23: note: 'saddr..key[2]' was declared here struct inetpeer_addr saddr, daddr; ^ In file included from /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:16:0: /home/kisskb/slave/src/include/net/inetpeer.h:141:26: warning: 'saddr..a4.vif' may be used uninitialized in this function [-Wmaybe-uninitialized] if (a->key[i] == b->key[i]) ^ /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:982:23: note: 'saddr..a4.vif' was declared here struct inetpeer_addr saddr, daddr; ^ In file included from /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:16:0: /home/kisskb/slave/src/include/net/inetpeer.h:141:6: warning: 'saddr..a4.addr' may be used uninitialized in this function [-Wmaybe-uninitialized] if (a->key[i] == b->key[i]) ^ /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:982:23: note: 'saddr..a4.addr' was declared here struct inetpeer_addr saddr, daddr; ^ In file included from /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:16:0: /home/kisskb/slave/src/include/net/inetpeer.h:141:6: warning: 'daddr.in6_u.u6_addr32[3]' may be used uninitialized in this function [-Wmaybe-uninitialized] if (a->key[i] == b->key[i]) ^ /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:982:30: note: 'daddr.in6_u.u6_addr32[3]' was declared here struct inetpeer_addr saddr, daddr; ^ In file included from /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:16:0: /home/kisskb/slave/src/include/net/inetpeer.h:141:6: warning: 'daddr.in6_u.u6_addr32[2]' may be used uninitialized in this function [-Wmaybe-uninitialized] if (a->key[i] == b->key[i]) ^ /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:982:30: note: 'daddr.in6_u.u6_addr32[2]' was declared here struct inetpeer_addr saddr, daddr; ^ /home/kisskb/slave/src/net/unix/af_unix.c: In function 'unix_stream_connect': /home/kisskb/slave/src/net/unix/af_unix.c:1251:8: warning: 'hash' may be used uninitialized in this function [-Wmaybe-uninitialized] other = unix_find_other(net, sunaddr, addr_len, sk->sk_type, hash, &err); ^ /home/kisskb/slave/src/net/sunrpc/svcsock.c: In function 'svc_setup_socket': /home/kisskb/slave/src/net/sunrpc/svcsock.c:779:6: warning: 'optname' may be used uninitialized in this function [-Wmaybe-uninitialized] err = kernel_setsockopt(svsk->sk_sock, level, optname, ^ /home/kisskb/slave/src/net/sunrpc/svcsock.c:746:18: note: 'optname' was declared here int err, level, optname, one = 1; ^ /home/kisskb/slave/src/net/sunrpc/svcsock.c:779:6: warning: 'level' may be used uninitialized in this function [-Wmaybe-uninitialized] err = kernel_setsockopt(svsk->sk_sock, level, optname, ^ /home/kisskb/slave/src/net/sunrpc/svcsock.c:746:11: note: 'level' was declared here int err, level, optname, one = 1; ^ CC net/ipv4/ip_tunnel_core.o CC net/ipv4/gre_offload.o CC net/ipv4/sysctl_net_ipv4.o CC net/ipv4/proc.o LD fs/ext4/built-in.o CC net/ipv4/ipconfig.o CC net/ipv4/inet_diag.o CC net/ipv4/tcp_diag.o /home/kisskb/slave/src/net/sunrpc/svcauth_unix.c: In function 'svcauth_unix_set_client': /home/kisskb/slave/src/net/sunrpc/svcauth_unix.c:282:12: warning: 'sin6' may be used uninitialized in this function [-Wmaybe-uninitialized] ip.m_addr = *addr; ^ /home/kisskb/slave/src/net/sunrpc/svcauth_unix.c:658:23: note: 'sin6' was declared here struct sockaddr_in6 *sin6, sin6_storage; ^ In file included from /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:16:0: /home/kisskb/slave/src/net/ipv4/tcp_metrics.c: In function 'tcp_metrics_nl_cmd_del': /home/kisskb/slave/src/include/net/inetpeer.h:141:6: warning: 'daddr..a4.addr' may be used uninitialized in this function [-Wmaybe-uninitialized] if (a->key[i] == b->key[i]) ^ /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:1063:30: note: 'daddr..a4.addr' was declared here struct inetpeer_addr saddr, daddr; ^ /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:1080:7: warning: 'hash' may be used uninitialized in this function [-Wmaybe-uninitialized] hash ^= net_hash_mix(net); ^ In file included from /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:16:0: /home/kisskb/slave/src/include/net/inetpeer.h:141:6: warning: 'saddr..key[3]' may be used uninitialized in this function [-Wmaybe-uninitialized] if (a->key[i] == b->key[i]) ^ /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:1063:23: note: 'saddr..key[3]' was declared here struct inetpeer_addr saddr, daddr; ^ In file included from /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:16:0: /home/kisskb/slave/src/include/net/inetpeer.h:141:6: warning: 'saddr..key[2]' may be used uninitialized in this function [-Wmaybe-uninitialized] if (a->key[i] == b->key[i]) ^ /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:1063:23: note: 'saddr..key[2]' was declared here struct inetpeer_addr saddr, daddr; ^ In file included from /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:16:0: /home/kisskb/slave/src/include/net/inetpeer.h:141:6: warning: 'daddr.in6_u.u6_addr32[3]' may be used uninitialized in this function [-Wmaybe-uninitialized] if (a->key[i] == b->key[i]) ^ /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:1063:30: note: 'daddr.in6_u.u6_addr32[3]' was declared here struct inetpeer_addr saddr, daddr; ^ In file included from /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:16:0: /home/kisskb/slave/src/include/net/inetpeer.h:141:6: warning: 'daddr.in6_u.u6_addr32[2]' may be used uninitialized in this function [-Wmaybe-uninitialized] if (a->key[i] == b->key[i]) ^ /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:1063:30: note: 'daddr.in6_u.u6_addr32[2]' was declared here struct inetpeer_addr saddr, daddr; ^ LD drivers/usb/core/usbcore.o LD fs/built-in.o /home/kisskb/slave/src/net/unix/af_unix.c: In function 'unix_dgram_connect': /home/kisskb/slave/src/net/unix/af_unix.c:1130:9: warning: 'hash' may be used uninitialized in this function [-Wmaybe-uninitialized] other = unix_find_other(net, sunaddr, alen, sock->type, hash, &err); ^ LD drivers/usb/core/built-in.o /home/kisskb/slave/src/net/sunrpc/xdr.c: In function 'xdr_encode_word': /home/kisskb/slave/src/net/sunrpc/xdr.c:1153:8: warning: 'subbuf.tail[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] memcpy(subbuf->tail[0].iov_base, obj, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1159:17: note: 'subbuf.tail[0].iov_base' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1149:17: warning: 'subbuf.page_base' may be used uninitialized in this function [-Wmaybe-uninitialized] _copy_to_pages(subbuf->pages, subbuf->page_base, obj, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1159:17: note: 'subbuf.page_base' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1149:17: warning: 'subbuf.pages' may be used uninitialized in this function [-Wmaybe-uninitialized] _copy_to_pages(subbuf->pages, subbuf->page_base, obj, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1159:17: note: 'subbuf.pages' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1144:8: warning: 'subbuf.head[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] memcpy(subbuf->head[0].iov_base, obj, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1159:17: note: 'subbuf.head[0].iov_base' was declared here struct xdr_buf subbuf; ^ LD drivers/usb/built-in.o /home/kisskb/slave/src/net/sunrpc/xdr.c: In function 'write_bytes_to_xdr_buf': /home/kisskb/slave/src/net/sunrpc/xdr.c:1153:8: warning: 'subbuf.tail[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] memcpy(subbuf->tail[0].iov_base, obj, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1159:17: note: 'subbuf.tail[0].iov_base' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1149:17: warning: 'subbuf.page_base' may be used uninitialized in this function [-Wmaybe-uninitialized] _copy_to_pages(subbuf->pages, subbuf->page_base, obj, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1159:17: note: 'subbuf.page_base' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1149:17: warning: 'subbuf.pages' may be used uninitialized in this function [-Wmaybe-uninitialized] _copy_to_pages(subbuf->pages, subbuf->page_base, obj, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1159:17: note: 'subbuf.pages' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1144:8: warning: 'subbuf.head[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] memcpy(subbuf->head[0].iov_base, obj, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1159:17: note: 'subbuf.head[0].iov_base' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c: In function 'read_bytes_from_xdr_buf': /home/kisskb/slave/src/net/sunrpc/xdr.c:1122:8: warning: 'subbuf.tail[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] memcpy(obj, subbuf->tail[0].iov_base, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1128:17: note: 'subbuf.tail[0].iov_base' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1118:19: warning: 'subbuf.page_base' may be used uninitialized in this function [-Wmaybe-uninitialized] _copy_from_pages(obj, subbuf->pages, subbuf->page_base, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1128:17: note: 'subbuf.page_base' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1118:19: warning: 'subbuf.pages' may be used uninitialized in this function [-Wmaybe-uninitialized] _copy_from_pages(obj, subbuf->pages, subbuf->page_base, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1128:17: note: 'subbuf.pages' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1113:8: warning: 'subbuf.head[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] memcpy(obj, subbuf->head[0].iov_base, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1128:17: note: 'subbuf.head[0].iov_base' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/unix/af_unix.c: In function 'unix_seqpacket_sendmsg': /home/kisskb/slave/src/net/unix/af_unix.c:1721:9: warning: 'hash' may be used uninitialized in this function [-Wmaybe-uninitialized] other = unix_find_other(net, sunaddr, namelen, sk->sk_type, ^ /home/kisskb/slave/src/net/unix/af_unix.c:1648:15: note: 'hash' was declared here unsigned int hash; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c: In function 'xdr_decode_word': /home/kisskb/slave/src/net/sunrpc/xdr.c:1122:8: warning: 'subbuf.tail[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] memcpy(obj, subbuf->tail[0].iov_base, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1128:17: note: 'subbuf.tail[0].iov_base' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1118:19: warning: 'subbuf.page_base' may be used uninitialized in this function [-Wmaybe-uninitialized] _copy_from_pages(obj, subbuf->pages, subbuf->page_base, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1128:17: note: 'subbuf.page_base' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1118:19: warning: 'subbuf.pages' may be used uninitialized in this function [-Wmaybe-uninitialized] _copy_from_pages(obj, subbuf->pages, subbuf->page_base, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1128:17: note: 'subbuf.pages' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1113:8: warning: 'subbuf.head[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] memcpy(obj, subbuf->head[0].iov_base, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1128:17: note: 'subbuf.head[0].iov_base' was declared here struct xdr_buf subbuf; ^ CC net/ipv4/tcp_cubic.o CC net/ipv4/xfrm4_policy.o CC net/ipv4/xfrm4_state.o CC net/ipv4/xfrm4_input.o CC net/ipv4/xfrm4_output.o CC net/ipv4/xfrm4_protocol.o /home/kisskb/slave/src/net/sunrpc/xdr.c: In function 'xdr_buf_read_netobj': /home/kisskb/slave/src/net/sunrpc/xdr.c:1122:8: warning: 'subbuf.tail[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] memcpy(obj, subbuf->tail[0].iov_base, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1199:17: note: 'subbuf.tail[0].iov_base' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1118:19: warning: 'subbuf.page_base' may be used uninitialized in this function [-Wmaybe-uninitialized] _copy_from_pages(obj, subbuf->pages, subbuf->page_base, this_len); ^ /home/kisskb/slave/src/net/unix/af_unix.c: In function 'unix_dgram_sendmsg': /home/kisskb/slave/src/net/sunrpc/xdr.c:1199:17: note: 'subbuf.page_base' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/unix/af_unix.c:1721:9: warning: 'hash' may be used uninitialized in this function [-Wmaybe-uninitialized] other = unix_find_other(net, sunaddr, namelen, sk->sk_type, ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1118:19: warning: 'subbuf.pages' may be used uninitialized in this function [-Wmaybe-uninitialized] _copy_from_pages(obj, subbuf->pages, subbuf->page_base, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1199:17: note: 'subbuf.pages' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1207:12: warning: 'subbuf.head[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] obj->data = subbuf.head[0].iov_base; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1122:8: warning: 'subbuf.tail[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] memcpy(obj, subbuf->tail[0].iov_base, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1128:17: note: 'subbuf.tail[0].iov_base' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1118:19: warning: 'subbuf.page_base' may be used uninitialized in this function [-Wmaybe-uninitialized] _copy_from_pages(obj, subbuf->pages, subbuf->page_base, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1128:17: note: 'subbuf.page_base' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1118:19: warning: 'subbuf.pages' may be used uninitialized in this function [-Wmaybe-uninitialized] _copy_from_pages(obj, subbuf->pages, subbuf->page_base, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1128:17: note: 'subbuf.pages' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1113:8: warning: 'subbuf.head[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] memcpy(obj, subbuf->head[0].iov_base, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1128:17: note: 'subbuf.head[0].iov_base' was declared here struct xdr_buf subbuf; ^ LD net/netlink/built-in.o /home/kisskb/slave/src/net/xfrm/xfrm_policy.c: In function 'xfrm_resolve_and_create_bundle': /home/kisskb/slave/src/net/xfrm/xfrm_policy.c:1599:7: warning: 'dst_ops' may be used uninitialized in this function [-Wmaybe-uninitialized] xdst = dst_alloc(dst_ops, NULL, 0, DST_OBSOLETE_NONE, 0); ^ /home/kisskb/slave/src/net/xfrm/xfrm_policy.c:1581:18: note: 'dst_ops' was declared here struct dst_ops *dst_ops; ^ LD drivers/tty/serial/8250/8250_base.o LD drivers/tty/serial/8250/built-in.o LD net/unix/unix.o LD drivers/tty/serial/built-in.o LD net/unix/built-in.o /home/kisskb/slave/src/net/ipv4/ping.c: In function 'ping_err': /home/kisskb/slave/src/net/ipv4/ping.c:561:37: warning: 'code' may be used uninitialized in this function [-Wmaybe-uninitialized] harderr = icmp_err_convert[code].fatal; ^ /home/kisskb/slave/src/net/ipv4/ping.c:534:3: warning: 'type' may be used uninitialized in this function [-Wmaybe-uninitialized] switch (type) { ^ /home/kisskb/slave/src/net/ipv4/ping.c:515:48: warning: 'icmph' may be used uninitialized in this function [-Wmaybe-uninitialized] if (!ping_supported(family, icmph->type, icmph->code)) ^ /home/kisskb/slave/src/net/ipv4/ping.c: In function 'ping_common_sendmsg': /home/kisskb/slave/src/net/ipv4/ping.c:692:21: warning: 'type' may be used uninitialized in this function [-Wmaybe-uninitialized] if (!ping_supported(family, type, code)) ^ /home/kisskb/slave/src/net/ipv4/ping.c:478:63: warning: 'code' may be used uninitialized in this function [-Wmaybe-uninitialized] return (family == AF_INET && type == ICMP_ECHO && code == 0) || ^ /home/kisskb/slave/src/net/ipv4/ping.c:660:11: note: 'code' was declared here u8 type, code; ^ LD net/packet/built-in.o /home/kisskb/slave/src/net/xfrm/xfrm_policy.c: In function 'xfrm_bundle_lookup': /home/kisskb/slave/src/net/xfrm/xfrm_policy.c:1599:7: warning: 'dst_ops' may be used uninitialized in this function [-Wmaybe-uninitialized] xdst = dst_alloc(dst_ops, NULL, 0, DST_OBSOLETE_NONE, 0); ^ /home/kisskb/slave/src/net/xfrm/xfrm_policy.c:1581:18: note: 'dst_ops' was declared here struct dst_ops *dst_ops; ^ LD net/sunrpc/sunrpc.o LD net/sunrpc/built-in.o /home/kisskb/slave/src/net/ipv4/fib_trie.c: In function 'fib_trie_unmerge': /home/kisskb/slave/src/net/ipv4/fib_trie.c:909:11: warning: 'local_tp' may be used uninitialized in this function [-Wmaybe-uninitialized] while (tn->slen < l->slen) { ^ /home/kisskb/slave/src/net/ipv4/fib_trie.c:1696:39: note: 'local_tp' was declared here struct key_vector *local_l = NULL, *local_tp; ^ LD net/xfrm/built-in.o /home/kisskb/slave/src/net/ipv4/tcp_input.c: In function 'tcp_data_queue': /home/kisskb/slave/src/net/ipv4/tcp_input.c:4273:49: warning: array subscript is above array bounds [-Warray-bounds] tp->selective_acks[i-1] = tp->selective_acks[i]; ^ LD drivers/tty/vt/built-in.o LD drivers/tty/built-in.o LD drivers/built-in.o LD net/ipv4/built-in.o LD net/built-in.o LINK vmlinux LD vmlinux.o MODPOST vmlinux.o GEN .version CHK include/generated/compile.h UPD include/generated/compile.h CC init/version.o LD init/built-in.o KSYM .tmp_kallsyms1.o KSYM .tmp_kallsyms2.o LD vmlinux SORTEX vmlinux SYSMAP System.map Building modules, stage 2. MODPOST 5 modules CC crypto/drbg.mod.o CC crypto/echainiv.mod.o CC crypto/hmac.mod.o CC crypto/jitterentropy_rng.mod.o CC crypto/sha256_generic.mod.o LD [M] crypto/drbg.ko LD [M] crypto/hmac.ko LD [M] crypto/echainiv.ko LD [M] crypto/sha256_generic.ko LD [M] crypto/jitterentropy_rng.ko make[1]: Leaving directory '/home/kisskb/slave/build/linus_axs101_defconfig_arcompact' Completed OK # rm -rf /home/kisskb/slave/build/linus_axs101_defconfig_arcompact # Build took: 0:00:42.553417