# git rev-parse -q --verify 4e5448a31d73d0e944b7adb9049438a09bc332cb^{commit}
4e5448a31d73d0e944b7adb9049438a09bc332cb
already have revision, skipping fetch
# git checkout -q -f -B kisskb 4e5448a31d73d0e944b7adb9049438a09bc332cb
# git clean -qxdf
# git log -1
commit 4e5448a31d73d0e944b7adb9049438a09bc332cb
Merge: 5a18d26 750afbf
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date:   Fri Jan 15 13:33:12 2016 -0800

    Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
    
    Pull networking fixes from David Miller:
     "A quick set of bug fixes after there initial networking merge:
    
      1) Netlink multicast group storage allocator only was tested with
         nr_groups equal to 1, make it work for other values too.  From
         Matti Vaittinen.
    
      2) Check build_skb() return value in macb and hip04_eth drivers, from
         Weidong Wang.
    
      3) Don't leak x25_asy on x25_asy_open() failure.
    
      4) More DMA map/unmap fixes in 3c59x from Neil Horman.
    
      5) Don't clobber IP skb control block during GSO segmentation, from
         Konstantin Khlebnikov.
    
      6) ECN helpers for ipv6 don't fixup the checksum, from Eric Dumazet.
    
      7) Fix SKB segment utilization estimation in xen-netback, from David
         Vrabel.
    
      8) Fix lockdep splat in bridge addrlist handling, from Nikolay
         Aleksandrov"
    
    * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (26 commits)
      bgmac: Fix reversed test of build_skb() return value.
      bridge: fix lockdep addr_list_lock false positive splat
      net: smsc: Add support h8300
      xen-netback: free queues after freeing the net device
      xen-netback: delete NAPI instance when queue fails to initialize
      xen-netback: use skb to determine number of required guest Rx requests
      net: sctp: Move sequence start handling into sctp_transport_get_idx()
      ipv6: update skb->csum when CE mark is propagated
      net: phy: turn carrier off on phy attach
      net: macb: clear interrupts when disabling them
      sctp: support to lookup with ep+paddr in transport rhashtable
      net: hns: fixes no syscon error when init mdio
      dts: hisi: fixes no syscon fault when init mdio
      net: preserve IP control block during GSO segmentation
      fsl/fman: Delete one function call "put_device" in dtsec_config()
      hip04_eth: fix missing error handle for build_skb failed
      3c59x: fix another page map/single unmap imbalance
      3c59x: balance page maps and unmaps
      x25_asy: Free x25_asy on x25_asy_open() failure.
      mlxsw: fix SWITCHDEV_OBJ_ID_PORT_MDB
      ...
# < /opt/cross/arcompact-buildroot-2015.08.1/bin/arc-buildroot-linux-uclibc-gcc --version
# < git log --format=%s --max-count=1 4e5448a31d73d0e944b7adb9049438a09bc332cb
# < 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
# 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
  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/irq_regs.h
  WRAP    arch/arc/include/generated/asm/irq_work.h
  WRAP    arch/arc/include/generated/asm/kmap_types.h
  WRAP    arch/arc/include/generated/asm/kvm_para.h
  WRAP    arch/arc/include/generated/asm/local.h
  WRAP    arch/arc/include/generated/asm/local64.h
  WRAP    arch/arc/include/generated/asm/mcs_spinlock.h
  WRAP    arch/arc/include/generated/asm/mm-arch-hooks.h
  WRAP    arch/arc/include/generated/asm/mman.h
  WRAP    arch/arc/include/generated/asm/msgbuf.h
  WRAP    arch/arc/include/generated/asm/param.h
  WRAP    arch/arc/include/generated/asm/parport.h
  WRAP    arch/arc/include/generated/asm/pci.h
  WRAP    arch/arc/include/generated/asm/percpu.h
  WRAP    arch/arc/include/generated/asm/poll.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
  UPD     include/config/kernel.release
  HOSTCC  scripts/basic/bin2c
  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/mod/mk_elfconfig
  HOSTCC  scripts/dtc/fstree.o
  HOSTCC  scripts/dtc/srcpos.o
  HOSTCC  scripts/dtc/util.o
  SHIPPED scripts/dtc/dtc-lexer.lex.c
  SHIPPED scripts/dtc/dtc-parser.tab.h
  SHIPPED scripts/dtc/dtc-parser.tab.c
  HOSTCC  scripts/dtc/checks.o
  HOSTCC  scripts/dtc/treesource.o
  HOSTCC  scripts/dtc/livetree.o
  HOSTCC  scripts/dtc/dtc-lexer.lex.o
  HOSTCC  scripts/dtc/dtc-parser.tab.o
  HOSTCC  scripts/dtc/data.o
  CC      scripts/mod/devicetable-offsets.s
  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
  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/init.o
  CC      arch/arc/mm/tlb.o
  AS      arch/arc/mm/tlbex.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
  CC      arch/arc/kernel/irq.o
  CC      arch/arc/kernel/time.o
  CC      arch/arc/kernel/reset.o
  CC      arch/arc/kernel/ptrace.o
  CC      arch/arc/kernel/signal.o
  CC      arch/arc/kernel/traps.o
  CC      arch/arc/kernel/sys.o
  CC      arch/arc/kernel/troubleshoot.o
  CC      arch/arc/kernel/stacktrace.o
  CC      arch/arc/kernel/devtree.o
  CC      arch/arc/kernel/disasm.o
  CC      arch/arc/kernel/module.o
  CC      arch/arc/kernel/perf_event.o
  CC      arch/arc/kernel/process.o
  CC      arch/arc/kernel/unwind.o
  AS      arch/arc/kernel/entry-compact.o
  CC      arch/arc/kernel/clk.o
  CC      arch/arc/kernel/intc-compact.o
  CC      arch/arc/kernel/ctx_sw.o
  AS      arch/arc/kernel/head.o
  LDS     arch/arc/kernel/vmlinux.lds
  DTC     arch/arc/boot/dts/axs101.dtb
  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
  GEN     usr/initramfs_data.cpio.gz
  AS      usr/initramfs_data.o
  LD      usr/built-in.o
  LD      arch/arc/plat-axs10x/built-in.o
  LD      certs/built-in.o
  CC      kernel/fork.o
  CC      kernel/exec_domain.o
  CC      kernel/panic.o
  CC      kernel/resource.o
  CC      kernel/softirq.o
  LD      arch/arc/mm/built-in.o
  CC      kernel/exit.o
  CC      kernel/sysctl.o
  CC      kernel/cpu.o
  CC      kernel/sysctl_binary.o
  CC      kernel/user.o
  CC      kernel/capability.o
  CC      kernel/ptrace.o
  CC      kernel/signal.o
  CC      kernel/sys.o
  CC      kernel/kmod.o
  CC      kernel/task_work.o
  CC      kernel/pid.o
  CC      kernel/params.o
  CC      kernel/workqueue.o
  CC      kernel/kthread.o
  CC      kernel/nsproxy.o
  CC      kernel/extable.o
  CC      kernel/sys_ni.o
  CC      kernel/notifier.o
  CC      kernel/ksysfs.o
  CC      kernel/cred.o
  CC      kernel/async.o
  CC      kernel/reboot.o
  CC      kernel/groups.o
  CC      kernel/smpboot.o
  CC      kernel/range.o
  CC      kernel/stacktrace.o
  CC      kernel/power/qos.o
  LD      kernel/livepatch/built-in.o
  CC      kernel/bpf/core.o
  CC      kernel/printk/printk.o
  CC      kernel/events/core.o
  CC      kernel/futex.o
  CC      kernel/rcu/update.o
  CC      kernel/module.o
  CC      kernel/up.o
  CC      kernel/locking/mutex.o
  LD      init/mounts.o
  CC      kernel/sched/core.o
  CC      kernel/irq/irqdesc.o
  LD      init/built-in.o
  CC      kernel/sched/loadavg.o
  CC      kernel/kallsyms.o
  GZIP    kernel/config_data.gz
  CC      kernel/time/time.o
  CC      kernel/hung_task.o
  CC      kernel/watchdog.o
  CC      kernel/utsname_sysctl.o
  CC      kernel/elfcore.o
  CC      kernel/irq_work.o
  CC      kernel/membarrier.o
  CC      kernel/memremap.o
  CC      kernel/rcu/sync.o
  CC      kernel/rcu/srcu.o
  CHK     kernel/config_data.h
  CC      kernel/rcu/tree.o
  UPD     kernel/config_data.h
  CC      kernel/events/ring_buffer.o
  CC      kernel/events/callchain.o
  CC      kernel/configs.o
  CC      kernel/locking/semaphore.o
  CC      mm/filemap.o
  CC      mm/mempool.o
  CC      kernel/sched/clock.o
  CC      mm/oom_kill.o
  CC      kernel/locking/rwsem.o
  CC      kernel/sched/cputime.o
  CC      kernel/locking/percpu-rwsem.o
  CC      kernel/locking/rtmutex.o
  CC      kernel/sched/idle_task.o
  CC      kernel/sched/fair.o
  CC      kernel/sched/rt.o
  CC      kernel/sched/deadline.o
  CC      kernel/irq/handle.o
  CC      kernel/irq/manage.o
  CC      kernel/sched/stop_task.o
  CC      kernel/irq/spurious.o
/home/kisskb/slave/src/kernel/sched/core.c: In function 'pick_next_task':
/home/kisskb/slave/src/kernel/sched/core.c:3162:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
  CC      kernel/sched/wait.o
/home/kisskb/slave/src/kernel/sysctl.c: In function '__do_proc_doulongvec_minmax':
/home/kisskb/slave/src/kernel/sysctl.c:1914:12: warning: 'p' may be used uninitialized in this function [-Wmaybe-uninitialized]
  ret = tmp - *buf;
            ^
/home/kisskb/slave/src/kernel/sysctl.c:2328:22: note: 'p' was declared here
  char *kbuf = NULL, *p;
                      ^
  CC      kernel/locking/rwsem-spinlock.o
  CC      kernel/irq/resend.o
  CC      kernel/sched/completion.o
  CC      kernel/sched/idle.o
  CC      kernel/time/timer.o
  CC      ipc/util.o
  CC      kernel/time/hrtimer.o
/home/kisskb/slave/src/kernel/sysctl.c: In function '__do_proc_dointvec':
/home/kisskb/slave/src/kernel/sysctl.c:1914:12: warning: 'p' may be used uninitialized in this function [-Wmaybe-uninitialized]
  ret = tmp - *buf;
            ^
/home/kisskb/slave/src/kernel/sysctl.c:2073:22: note: 'p' was declared here
  char *kbuf = NULL, *p;
                      ^
  CC      kernel/irq/chip.o
  LD      kernel/power/built-in.o
  CC      kernel/irq/dummychip.o
  CC      kernel/irq/devres.o
  CC      fs/open.o
  CC      ipc/msgutil.o
  CC      ipc/msg.o
  CC      kernel/irq/generic-chip.o
  CC      security/commoncap.o
  CC      security/min_addr.o
  CC      kernel/irq/irqdomain.o
  CC      mm/maccess.o
  CC      kernel/irq/proc.o
  CC      mm/page_alloc.o
  CC      kernel/time/itimer.o
  CC      mm/page-writeback.o
  CC      mm/readahead.o
  CC      mm/swap.o
  CC      kernel/time/posix-timers.o
  CC      kernel/time/posix-cpu-timers.o
  CC      kernel/time/timekeeping.o
  CC      kernel/time/ntp.o
  CC      mm/truncate.o
  CC      kernel/time/clocksource.o
  LD      kernel/bpf/built-in.o
  CC      mm/vmscan.o
  CC      kernel/time/jiffies.o
  CC      ipc/sem.o
  CC      kernel/time/timer_list.o
  CC      ipc/shm.o
  CC      kernel/time/timeconv.o
  CC      ipc/syscall.o
  CC      crypto/api.o
  CC      mm/shmem.o
  CC      crypto/cipher.o
  CC      ipc/ipc_sysctl.o
  CC      mm/util.o
  CC      kernel/time/timecounter.o
  CC      kernel/time/posix-clock.o
  CC      crypto/compress.o
  CC      kernel/time/alarmtimer.o
  CC      ipc/mqueue.o
  CC      kernel/time/clockevents.o
  LD      arch/arc/kernel/built-in.o
  CC      kernel/time/tick-common.o
  LD      arch/arc/built-in.o
  CC      ipc/namespace.o
  CC      kernel/time/tick-oneshot.o
  CC      ipc/mq_sysctl.o
  CC      kernel/time/tick-sched.o
  CC      mm/mmzone.o
  CC      crypto/memneq.o
  CC      mm/vmstat.o
  CC      crypto/crypto_wq.o
/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:818:21: warning: 'now' may be used uninitialized in this function [-Wmaybe-uninitialized]
   sample_to_timespec(timer->it_clock,
                     ^
  CC      mm/backing-dev.o
  CC      crypto/algapi.o
  LD      kernel/locking/built-in.o
  CC      mm/mm_init.o
  CC      crypto/scatterwalk.o
  CC      mm/mmu_context.o
  LD      security/built-in.o
  CC      crypto/proc.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:1051:21: note: 'now' was declared here
  unsigned long long now;
                     ^
  CC      mm/percpu.o
  CC      mm/slab_common.o
  CC      crypto/aead.o
  CC      mm/compaction.o
  CC      crypto/blkcipher.o
  CC      crypto/ablkcipher.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:695:17: warning: 'val' may be used uninitialized in this function [-Wmaybe-uninitialized]
     old_expires = timer->it.cpu.expires - val;
                 ^
  CC      mm/vmacache.o
  CC      crypto/skcipher.o
  CC      mm/interval_tree.o
  CC      mm/list_lru.o
  LD      kernel/irq/built-in.o
  CC      mm/workingset.o
  CC      fs/read_write.o
  CC      mm/debug.o
  CC      crypto/chainiv.o
  CC      crypto/eseqiv.o
  CC      mm/gup.o
  CC      mm/highmem.o
  CC      mm/memory.o
  CC      block/bio.o
  CC      mm/mincore.o
  CC      mm/mlock.o
  CC      mm/mmap.o
  CC      mm/mprotect.o
  CC      crypto/ahash.o
  CC      mm/mremap.o
  CC      crypto/shash.o
  CC      crypto/pcompress.o
  LD      kernel/printk/built-in.o
  CC      block/elevator.o
  CC      crypto/akcipher.o
  CC      mm/msync.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:1268:13: warning: 'now' may be used uninitialized in this function [-Wmaybe-uninitialized]
     *oldval -= now;
             ^
  CC      fs/file_table.o
  CC      mm/rmap.o
/home/kisskb/slave/src/ipc/shm.c: In function 'SyS_shmat':
/home/kisskb/slave/src/ipc/shm.c:1219:2: warning: 'ret' may be used uninitialized in this function [-Wmaybe-uninitialized]
  return (long)ret;
  ^
/home/kisskb/slave/src/ipc/shm.c:1212:16: note: 'ret' was declared here
  unsigned long ret;
                ^
  CC      fs/super.o
  CC      mm/vmalloc.o
  CC      mm/pagewalk.o
  CC      mm/pgtable-generic.o
  CC      fs/char_dev.o
  CC      mm/init-mm.o
  CC      mm/nobootmem.o
  CC      crypto/algboss.o
  CC      mm/fadvise.o
  CC      crypto/testmgr.o
  CC      mm/madvise.o
  CC      crypto/crypto_null.o
  CC      crypto/aes_generic.o
  CC      mm/memblock.o
  CC      crypto/crc32c_generic.o
  LD      drivers/amba/built-in.o
  LD      kernel/time/built-in.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:752:17: 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      mm/slub.o
  CC      mm/dmapool.o
  LD      drivers/auxdisplay/built-in.o
  CC [M]  crypto/echainiv.o
  CC      crypto/rng.o
  CC [M]  crypto/hmac.o
  CC      fs/stat.o
  CC [M]  crypto/sha256_generic.o
  CC [M]  crypto/drbg.o
  CC      fs/exec.o
  CC      fs/pipe.o
  CC [M]  crypto/jitterentropy.o
  CC      fs/namei.o
  CC [M]  crypto/jitterentropy-kcapi.o
In file included from /home/kisskb/slave/src/include/linux/fs.h:15:0,
                 from /home/kisskb/slave/src/include/linux/backing-dev.h:12,
                 from /home/kisskb/slave/src/mm/mmap.c:13:
/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:704:29: note: 'rb_parent' was declared here
  struct rb_node **rb_link, *rb_parent;
                             ^
In file included from /home/kisskb/slave/src/include/linux/fs.h:15:0,
                 from /home/kisskb/slave/src/include/linux/backing-dev.h:12,
                 from /home/kisskb/slave/src/mm/mmap.c:13:
/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:704:19: note: 'rb_link' was declared here
  struct rb_node **rb_link, *rb_parent;
                   ^
/home/kisskb/slave/src/mm/mmap.c:672:17: 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:703:25: note: 'prev' was declared here
  struct vm_area_struct *prev;
                         ^
  LD      crypto/crypto.o
  LD      crypto/crypto_algapi.o
  LD      drivers/block/built-in.o
  LD      ipc/built-in.o
  LD      drivers/bus/built-in.o
  CC      fs/fcntl.o
  LD      drivers/cdrom/built-in.o
  CC      drivers/base/component.o
  CC      fs/ioctl.o
  CC      drivers/base/core.o
  CC      fs/readdir.o
  CC      fs/select.o
  CC      drivers/char/mem.o
  LD      drivers/clocksource/built-in.o
  CC      fs/dcache.o
  CC      fs/inode.o
  LD      drivers/crypto/built-in.o
  LD      drivers/firewire/built-in.o
  CC      fs/attr.o
  CC      fs/bad_inode.o
  LD [M]  crypto/jitterentropy_rng.o
  LD      sound/built-in.o
  LD      drivers/firmware/broadcom/built-in.o
  LD      drivers/gpu/vga/built-in.o
  CC      drivers/clk/clk-devres.o
  LD      crypto/crypto_blkcipher.o
  CC      drivers/gpio/devres.o
  LD      drivers/hsi/clients/built-in.o
  LD      crypto/cryptomgr.o
  LD      drivers/firmware/built-in.o
  CC      drivers/hid/hid-core.o
  LD      drivers/gpu/drm/bridge/built-in.o
  CC      drivers/hid/hid-input.o
  LD      drivers/hsi/controllers/built-in.o
  CC      drivers/base/bus.o
  LD      drivers/hwtracing/intel_th/built-in.o
  CC      drivers/base/dd.o
  LD      drivers/hsi/built-in.o
  CC      drivers/base/syscore.o
  LD      drivers/gpu/drm/i2c/built-in.o
  LD      drivers/idle/built-in.o
  CC      drivers/i2c/i2c-boardinfo.o
  CC      drivers/input/serio/serio.o
  LD      drivers/gpu/drm/panel/built-in.o
  CC      drivers/irqchip/irqchip.o
  LD      drivers/leds/built-in.o
  CC      drivers/input/input.o
  CC      drivers/clk/clkdev.o
  CC      drivers/char/random.o
  CC      drivers/base/driver.o
  LD      kernel/rcu/built-in.o
  LD      drivers/gpu/drm/tilcdc/built-in.o
  CC      drivers/char/misc.o
  LD      firmware/built-in.o
  LD      drivers/lguest/built-in.o
  LD      drivers/gpu/drm/built-in.o
  CC      block/blk-core.o
  CC      fs/file.o
  LD      drivers/macintosh/built-in.o
  CC      fs/filesystems.o
  LD      drivers/gpu/built-in.o
  LD      crypto/crypto_hash.o
  CC      drivers/mfd/syscon.o
  CC      fs/namespace.o
  CC      drivers/gpio/gpiolib.o
  CC      fs/seq_file.o
  CC      fs/xattr.o
  CC      block/blk-tag.o
  CC      block/blk-sysfs.o
  CC      drivers/i2c/i2c-core.o
  LD      kernel/sched/built-in.o
  CC      drivers/irqchip/irq-dw-apb-ictl.o
  CC      drivers/base/class.o
  LD      drivers/misc/cb710/built-in.o
  CC      drivers/base/platform.o
  LD      drivers/media/common/b2c2/built-in.o
  LD      drivers/misc/eeprom/built-in.o
  LD      drivers/misc/lis3lv02d/built-in.o
  LD      drivers/media/common/saa7146/built-in.o
  LD      drivers/misc/ti-st/built-in.o
  CC      fs/libfs.o
  CC      fs/fs-writeback.o
  CC      fs/pnode.o
  LD      drivers/media/common/siano/built-in.o
  CC      fs/splice.o
  CC      net/socket.o
  LD      drivers/misc/mic/bus/built-in.o
  CC      fs/sync.o
  LD      drivers/misc/mic/built-in.o
  LD      drivers/media/common/built-in.o
  CC      drivers/clk/clk-divider.o
  CC      drivers/clk/clk.o
  CC      fs/utimes.o
  LD      drivers/misc/built-in.o
  CC      fs/stack.o
  LD      drivers/char/agp/built-in.o
  LD      drivers/media/firewire/built-in.o
  LD      drivers/mfd/built-in.o
  CC      drivers/input/serio/serport.o
  CC      drivers/mmc/card/block.o
  CC      drivers/base/cpu.o
  CC      drivers/net/mii.o
  LD      drivers/media/i2c/soc_camera/built-in.o
  CC      drivers/hid/hid-generic.o
  CC      fs/fs_struct.o
  LD      drivers/media/i2c/built-in.o
  CC      fs/statfs.o
  LD      drivers/irqchip/built-in.o
  LD      drivers/nfc/built-in.o
  LD      drivers/media/mmc/siano/built-in.o
  LD      drivers/media/mmc/built-in.o
  CC      drivers/base/firmware.o
  CC      drivers/mmc/core/core.o
  LD      drivers/nvme/host/built-in.o
  CC      fs/fs_pin.o
  CC      drivers/base/init.o
  LD      drivers/nvme/built-in.o
  CC      drivers/clk/clk-fixed-factor.o
  LD      crypto/built-in.o
  CC      block/blk-settings.o
  CC      block/blk-flush.o
  LD      arch/arc/lib/built-in.o
  LD      drivers/media/pci/b2c2/built-in.o
  CC      drivers/hid/usbhid/hid-core.o
  AS      arch/arc/lib/memcmp.o
  CC      drivers/hid/usbhid/hid-quirks.o
  CC      fs/nsfs.o
  CC      fs/buffer.o
  CC      drivers/base/map.o
  CC      drivers/of/base.o
  LD      drivers/media/pci/ddbridge/built-in.o
  CC      fs/block_dev.o
/home/kisskb/slave/src/fs/namei.c: In function 'walk_component':
/home/kisskb/slave/src/fs/namei.c:1760:10: warning: 'seq' may be used uninitialized in this function [-Wmaybe-uninitialized]
  nd->seq = seq;
          ^
  CC      fs/direct-io.o
  CC      drivers/input/serio/libps2.o
  CC      drivers/mmc/card/queue.o
  AS      arch/arc/lib/memcpy-700.o
  CC      drivers/clk/clk-fixed-rate.o
  CC      drivers/base/devres.o
  LD      drivers/media/pci/dm1105/built-in.o
  CC      fs/mpage.o
  AS      arch/arc/lib/memset.o
  AS      arch/arc/lib/strchr-700.o
  LD      drivers/media/pci/mantis/built-in.o
  CC      fs/proc_namespace.o
  AS      arch/arc/lib/strcmp.o
  LD      virt/lib/built-in.o
  AS      arch/arc/lib/strcpy-700.o
  CC      drivers/base/attribute_container.o
  CC      fs/devpts/inode.o
  LD      fs/exofs/built-in.o
  LD      drivers/media/pci/netup_unidvb/built-in.o
  AS      arch/arc/lib/strlen.o
  CC      drivers/net/Space.o
  CC      drivers/base/transport_class.o
  CC      lib/lockref.o
  LD      virt/built-in.o
  LD      mm/built-in.o
  LD      drivers/char/built-in.o
  LD      drivers/media/pci/ngene/built-in.o
  CC      drivers/clk/clk-gate.o
  LD      drivers/perf/built-in.o
  AR      arch/arc/lib/lib.a
  LD      drivers/platform/built-in.o
  CC      drivers/base/topology.o
  CC      drivers/gpio/gpiolib-legacy.o
  LD      drivers/media/pci/pluto2/built-in.o
  CC      fs/kernfs/mount.o
  CC      fs/nfs_common/grace.o
  CC      drivers/gpio/gpiolib-of.o
  CC      fs/jbd2/transaction.o
  LD      drivers/power/built-in.o
  LD      drivers/media/pci/pt1/built-in.o
  CC      fs/fat/cache.o
  CC      lib/bcd.o
  CC      drivers/pps/pps.o
  LD      drivers/media/pci/pt3/built-in.o
  CC      drivers/ptp/ptp_clock.o
  CC      fs/lockd/clntlock.o
  CC      drivers/base/container.o
  CC      lib/div64.o
  LD      drivers/media/pci/saa7146/built-in.o
  CC      drivers/base/property.o
  CC      drivers/input/input-compat.o
  CC      lib/sort.o
  CC      fs/ext4/balloc.o
  LD      drivers/input/serio/built-in.o
  CC      fs/ext4/bitmap.o
  LD      drivers/media/pci/smipcie/built-in.o
  CC      drivers/base/cacheinfo.o
  CC      fs/nfs/client.o
  LD      drivers/pwm/built-in.o
  CC      drivers/gpio/gpio-generic.o
  CC      drivers/reset/core.o
  CC      fs/nls/nls_base.o
  CC      drivers/base/devtmpfs.o
  CC      lib/parser.o
  LD      drivers/media/pci/ttpci/built-in.o
  CC      drivers/net/loopback.o
  LD      fs/devpts/devpts.o
  CC      lib/halfmd4.o
  LD      fs/devpts/built-in.o
  LD      drivers/media/pci/built-in.o
  CC      drivers/input/input-mt.o
  CC      fs/kernfs/inode.o
  CC      block/blk-ioc.o
  CC      fs/notify/fsnotify.o
  LD      fs/nfs_common/built-in.o
  CC      lib/debug_locks.o
  CC      lib/random32.o
  LD      fs/quota/built-in.o
  CC      drivers/base/power/clock_ops.o
  CC      drivers/scsi/scsi.o
  CC      drivers/gpio/gpio-dwapb.o
  CC      block/blk-map.o
  CC      drivers/pps/kapi.o
  LD      drivers/hid/usbhid/usbhid.o
  CC      drivers/base/dma-mapping.o
  LD      kernel/events/built-in.o
  LD      drivers/hid/usbhid/built-in.o
  CC      lib/bust_spinlocks.o
  CC      fs/ext4/dir.o
  LD      kernel/built-in.o
  CC      fs/ntfs/aops.o
  LD      drivers/reset/built-in.o
  LD      drivers/media/platform/omap/built-in.o
  LD      drivers/media/rc/keymaps/built-in.o
  CC      fs/eventpoll.o
  CC      fs/fat/fatent.o
  CC      fs/fat/dir.o
  CC      drivers/base/regmap/regmap.o
  LD      drivers/media/platform/built-in.o
  CC      fs/nls/nls_cp437.o
  LD      drivers/media/rc/built-in.o
/home/kisskb/slave/src/fs/namei.c: In function 'path_openat':
/home/kisskb/slave/src/fs/namei.c:3223:10: warning: 'seq' may be used uninitialized in this function [-Wmaybe-uninitialized]
  nd->seq = seq;
          ^
/home/kisskb/slave/src/fs/namei.c:3087:11: note: 'seq' was declared here
  unsigned seq;
           ^
  CC      fs/ramfs/inode.o
  LD      drivers/soc/fsl/built-in.o
  CC      fs/sysfs/file.o
  LD      drivers/media/tuners/built-in.o
  CC      fs/proc/task_mmu.o
  CC      drivers/ptp/ptp_chardev.o
  LD      drivers/soc/built-in.o
  CC      fs/lockd/clntproc.o
  LD      drivers/base/power/built-in.o
  CC      drivers/base/firmware_class.o
  CC      drivers/base/module.o
  LD      drivers/media/usb/b2c2/built-in.o
  CC      fs/notify/group.o
  CC      fs/notify/notification.o
  CC      drivers/pps/sysfs.o
  LD      drivers/media/usb/dvb-usb/built-in.o
  CC      fs/nls/nls_iso8859-1.o
  LD      net/802/built-in.o
  CC      fs/kernfs/dir.o
  CC      drivers/usb/common/common.o
  CC      drivers/tty/tty_io.o
  CC      lib/kasprintf.o
  LD      drivers/hid/hid.o
  LD      drivers/media/usb/dvb-usb-v2/built-in.o
  CC      drivers/input/ff-core.o
  LD      drivers/hid/built-in.o
  CC      drivers/input/mousedev.o
  CC      block/blk-exec.o
  LD      drivers/media/usb/s2255/built-in.o
  LD      drivers/gpio/built-in.o
  CC      drivers/input/evdev.o
  LD      drivers/mmc/card/mmc_block.o
  CC      lib/bitmap.o
  LD      drivers/media/usb/siano/built-in.o
  LD      drivers/pps/clients/built-in.o
  LD      drivers/video/backlight/built-in.o
  CC      net/ethernet/eth.o
  LD      drivers/mmc/card/built-in.o
  LD      drivers/net/ethernet/cadence/built-in.o
  CC      block/blk-merge.o
  LD      fs/nls/built-in.o
  CC      fs/anon_inodes.o
  CC      block/blk-softirq.o
  LD      drivers/pps/generators/built-in.o
  LD      drivers/media/usb/stkwebcam/built-in.o
  CC      lib/scatterlist.o
  LD      drivers/net/ethernet/ezchip/built-in.o
  CC      drivers/mmc/host/sdhci.o
  CC      drivers/video/console/dummycon.o
  LD      drivers/pps/pps_core.o
  LD      drivers/media/usb/ttusb-budget/built-in.o
  CC      drivers/i2c/i2c-dev.o
  CC      fs/ext4/file.o
  CC      fs/notify/inode_mark.o
  LD      drivers/net/ethernet/netronome/built-in.o
  CC      net/core/sock.o
  LD      drivers/pps/built-in.o
  CC      fs/sysfs/dir.o
  CC      fs/signalfd.o
  LD      drivers/media/usb/zr364xx/built-in.o
  CC      fs/ramfs/file-mmu.o
  CC      fs/timerfd.o
  LD      drivers/media/usb/ttusb-dec/built-in.o
  CC      fs/ntfs/attrib.o
  LD      drivers/net/ethernet/qualcomm/built-in.o
  CC      fs/notify/mark.o
  CC      drivers/scsi/scsi_ioctl.o
  CC      drivers/scsi/hosts.o
  LD      drivers/media/usb/built-in.o
  CC      drivers/input/keyboard/atkbd.o
  LD      drivers/net/ethernet/renesas/built-in.o
  CC      drivers/ptp/ptp_sysfs.o
  LD      drivers/usb/common/usb-common.o
  CC      block/blk-timeout.o
  LD      drivers/usb/common/built-in.o
  LD      drivers/net/ethernet/rocker/built-in.o
  CC      fs/eventfd.o
  LD      drivers/media/built-in.o
  CC      block/blk-iopoll.o
  LD      drivers/net/ethernet/samsung/built-in.o
  LD      fs/ramfs/ramfs.o
  CC      drivers/mmc/core/bus.o
  CC      fs/sysfs/symlink.o
  LD      fs/ramfs/built-in.o
  CC      drivers/video/console/fbcon.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      drivers/video/console/bitblit.o
  CC      fs/aio.o
  CC      drivers/usb/core/usb.o
  CC      block/blk-lib.o
  CC      fs/notify/vfsmount_mark.o
  CC      drivers/of/device.o
  CC      drivers/net/phy/phy.o
  CC      fs/ext4/fsync.o
  CC      fs/locks.o
  CC      fs/fat/file.o
  CC      fs/binfmt_script.o
  CC      fs/nfs/dir.o
  CC      drivers/net/ethernet/stmicro/stmmac/stmmac_main.o
  CC      fs/proc/inode.o
  CC      drivers/scsi/scsicam.o
  LD      drivers/i2c/algos/built-in.o
  CC      fs/fat/inode.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      drivers/scsi/scsi_error.o
  CC      fs/jbd2/commit.o
  CC      lib/gcd.o
  CC      fs/lockd/clntxdr.o
  CC      block/blk-mq.o
  CC      drivers/mmc/core/host.o
  CC      fs/sysfs/mount.o
  CC      drivers/i2c/busses/i2c-designware-core.o
  LD      drivers/ptp/ptp.o
  CC      drivers/input/mouse/psmouse-base.o
  CC      block/blk-mq-tag.o
  LD      drivers/ptp/built-in.o
  CC      lib/lcm.o
  CC      fs/ext4/ialloc.o
  CC      lib/list_sort.o
  CC      fs/binfmt_elf.o
  LD      net/ethernet/built-in.o
  CC      fs/notify/fdinfo.o
  CC      fs/ext4/inode.o
  CC      lib/uuid.o
  CC      drivers/of/platform.o
  LD      drivers/input/input-core.o
  CC      fs/notify/dnotify/dnotify.o
  CC      fs/mbcache.o
  CC      lib/flex_array.o
  CC      fs/coredump.o
  CC      drivers/usb/core/hub.o
  CC      fs/kernfs/file.o
  CC      lib/iov_iter.o
  CC      lib/clz_ctz.o
  CC      drivers/scsi/scsi_lib.o
  CC      fs/drop_caches.o
  CC      block/blk-mq-sysfs.o
  CC      net/ipv6/addrconf_core.o
  CC      block/blk-mq-cpu.o
  CC      drivers/clk/clk-multiplier.o
  CC      fs/sysfs/group.o
  CC      fs/ntfs/collate.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:915:16: note: in expansion of macro 'ELF_ET_DYN_BASE'
    load_bias = ELF_ET_DYN_BASE - vaddr;
                ^
  CC      lib/bsearch.o
  LD      drivers/net/ethernet/synopsys/built-in.o
  LD      fs/notify/fanotify/built-in.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      lib/find_bit.o
  CC      drivers/usb/core/hcd.o
  CC      fs/notify/inotify/inotify_fsnotify.o
  CC      lib/llist.o
  CC      drivers/video/console/softcursor.o
  CC      lib/memweight.o
  CC      drivers/of/fdt.o
  CC      lib/kfifo.o
  CC      block/blk-mq-cpumap.o
  CC      net/ipv4/route.o
  LD      fs/notify/dnotify/built-in.o
  CC      drivers/clk/clk-mux.o
  CC      drivers/clk/clk-composite.o
  CC      fs/fat/misc.o
  LD      drivers/input/keyboard/built-in.o
  CC      drivers/mmc/core/mmc.o
  CC      drivers/clk/clk-fractional-divider.o
  CC      fs/fat/nfs.o
  CC      drivers/clk/clk-gpio.o
  CC      fs/proc/root.o
  CC      drivers/i2c/busses/i2c-designware-platdrv.o
  CC      lib/percpu-refcount.o
  CC      fs/lockd/host.o
  CC      fs/ntfs/compress.o
  CC      drivers/base/regmap/regcache.o
  CC      fs/notify/inotify/inotify_user.o
  LD      fs/sysfs/built-in.o
  CC      lib/percpu_ida.o
  CC      drivers/net/phy/phy_device.o
  CC      net/ipv6/exthdrs_core.o
  CC      drivers/net/phy/mdio_bus.o
  CC      fs/jbd2/recovery.o
  CC      drivers/clk/clk-conf.o
  CC      block/ioctl.o
  CC      block/genhd.o
  LD      drivers/clk/bcm/built-in.o
  CC      fs/fat/namei_vfat.o
  CC      fs/jbd2/checkpoint.o
  CC      fs/proc/base.o
  CC      block/scsi_ioctl.o
  CC      block/partition-generic.o
  CC      fs/fat/namei_msdos.o
  CC      fs/kernfs/symlink.o
  CC      block/ioprio.o
  CC      lib/rhashtable.o
  LD      drivers/i2c/busses/i2c-designware-platform.o
  CC      lib/reciprocal_div.o
  LD      drivers/i2c/busses/built-in.o
  CC      lib/once.o
  LD      drivers/i2c/muxes/built-in.o
  LD      drivers/clk/built-in.o
  LD      fs/fat/fat.o
  LD      drivers/i2c/built-in.o
  CC      fs/proc/generic.o
  CC      lib/string_helpers.o
  CC      lib/hexdump.o
  CC      fs/proc/array.o
  CC      lib/kstrtox.o
  CC      net/key/af_key.o
  CC      lib/iomap_copy.o
/home/kisskb/slave/src/fs/ext4/inode.c: In function 'ext4_get_block_write':
/home/kisskb/slave/src/fs/ext4/inode.c:548:5: 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:462:6: note: 'retval' was declared here
  int retval;
      ^
  CC      fs/proc/fd.o
  CC      lib/devres.o
  LD      fs/kernfs/built-in.o
  CC      drivers/of/fdt_address.o
  CC      lib/hweight.o
  CC      net/ipv4/inetpeer.o
  CC      net/ipv6/ip6_checksum.o
  CC      drivers/base/regmap/regcache-rbtree.o
/home/kisskb/slave/src/fs/ext4/inode.c: In function 'ext4_get_block_write_nolock':
/home/kisskb/slave/src/fs/ext4/inode.c:548:5: 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:462:6: note: 'retval' was declared here
  int retval;
      ^
  CC      lib/bitrev.o
  CC      lib/rational.o
  CC      drivers/scsi/scsi_common.o
/home/kisskb/slave/src/fs/ext4/inode.c: In function 'ext4_get_block':
/home/kisskb/slave/src/fs/ext4/inode.c:548:5: 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:462:6: note: 'retval' was declared here
  int retval;
      ^
  CC      fs/ext4/page-io.o
  CC      lib/crc16.o
  CC      fs/nfs/file.o
  HOSTCC  lib/gen_crc32table
  CC      drivers/mmc/host/dw_mmc.o
  CC      drivers/net/phy/mdio_device.o
  CC      drivers/tty/n_tty.o
  CC      lib/fonts/fonts.o
  LD      fs/notify/inotify/built-in.o
  CC      lib/lz4/lz4_decompress.o
/home/kisskb/slave/src/fs/ext4/inode.c: In function 'ext4_block_zero_page_range':
/home/kisskb/slave/src/fs/ext4/inode.c:548:5: 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:462:6: note: 'retval' was declared here
  int retval;
      ^
  LD      fs/notify/built-in.o
  CC      drivers/of/address.o
  CC      fs/jbd2/revoke.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      drivers/scsi/scsi_lib_dma.o
  CC      block/badblocks.o
  CC      lib/lzo/lzo1x_compress.o
  CC      drivers/input/mouse/synaptics.o
  CC      net/core/request_sock.o
  CC      lib/lzo/lzo1x_decompress_safe.o
  CC      lib/xz/xz_dec_syms.o
  LD      fs/fat/msdos.o
/home/kisskb/slave/src/fs/ext4/inode.c: In function 'ext4_map_blocks':
/home/kisskb/slave/src/fs/ext4/inode.c:548:5: warning: 'retval' may be used uninitialized in this function [-Wmaybe-uninitialized]
  if (retval > 0 && map->m_flags & EXT4_MAP_MAPPED) {
     ^
  CC      lib/fonts/font_8x8.o
  CC      net/ipv6/ip6_icmp.o
  CC      lib/zlib_inflate/inffast.o
  CC      fs/lockd/svc.o
  CC      fs/lockd/svclock.o
  CC      drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.o
  CC      lib/fonts/font_8x16.o
  CC      lib/syscall.o
/home/kisskb/slave/src/fs/ext4/inode.c: In function 'ext4_getblk':
/home/kisskb/slave/src/fs/ext4/inode.c:548:5: warning: 'retval' may be used uninitialized in this function [-Wmaybe-uninitialized]
/home/kisskb/slave/src/fs/ext4/inode.c:462:6: note: 'retval' was declared here
  int retval;
      ^
  CC      drivers/net/phy/national.o
  CC      block/bsg.o
  CC      block/partitions/check.o
  CC      fs/ntfs/debug.o
  LD      fs/fat/vfat.o
  CC      lib/xz/xz_dec_stream.o
  CC      fs/proc/proc_tty.o
  LD      fs/fat/built-in.o
  CC      block/noop-iosched.o
  CC      block/deadline-iosched.o
  CC      drivers/base/regmap/regcache-lzo.o
  CC      block/cfq-iosched.o
/home/kisskb/slave/src/fs/ext4/inode.c: In function 'ext4_bread':
/home/kisskb/slave/src/fs/ext4/inode.c:548:5: 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:462:6: note: 'retval' was declared here
  int retval;
      ^
  CC      drivers/base/regmap/regcache-flat.o
  CC      fs/jbd2/journal.o
  CC      lib/nlattr.o
  LD      lib/lz4/built-in.o
/home/kisskb/slave/src/fs/ext4/inode.c: In function 'ext4_get_block_dax':
/home/kisskb/slave/src/fs/ext4/inode.c:548:5: 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:462:6: note: 'retval' was declared here
  int retval;
      ^
  CC      net/ipv4/protocol.o
  CC      lib/checksum.o
  LD      lib/fonts/font.o
  CC      fs/proc/cmdline.o
  CC      net/ipv6/output_core.o
  LD      lib/fonts/built-in.o
  CC      drivers/scsi/scsi_scan.o
  LD      drivers/net/phy/libphy.o
  CC      lib/atomic64.o
  CC      fs/ntfs/dir.o
  CC      drivers/usb/core/urb.o
  LD      lib/lzo/lzo_decompress.o
  CC      drivers/mmc/core/mmc_ops.o
  CC      drivers/mmc/core/sd.o
  LD      lib/lzo/lzo_compress.o
  CC      lib/dynamic_queue_limits.o
  LD      lib/lzo/built-in.o
  CC      lib/net_utils.o
  CC      fs/proc/consoles.o
  CC      lib/zlib_inflate/inflate.o
  CC      fs/proc/cpuinfo.o
  CC      drivers/base/regmap/regmap-mmio.o
  CC      fs/proc/devices.o
  CC      lib/argv_split.o
  CC      net/ipv4/ip_input.o
  CC      drivers/usb/core/message.o
  CC      drivers/scsi/scsi_sysfs.o
/home/kisskb/slave/src/block/cfq-iosched.c: In function 'cfq_async_queue_prio':
/home/kisskb/slave/src/block/cfq-iosched.c:3775:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
  CC      net/core/skbuff.o
  CC      net/core/datagram.o
  CC      lib/cmdline.o
  CC      net/core/stream.o
  CC      net/ipv6/protocol.o
  LD      drivers/net/phy/built-in.o
  CC      lib/ctype.o
  CC      block/partitions/msdos.o
  CC      fs/ext4/ioctl.o
  CC      drivers/of/irq.o
  CC      lib/dec_and_lock.o
/home/kisskb/slave/src/drivers/base/regmap/regmap-mmio.c: In function 'regmap_mmio_get_offset':
/home/kisskb/slave/src/drivers/base/regmap/regmap-mmio.c:113:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
  CC      fs/ext4/namei.o
  CC      lib/xz/xz_dec_lzma2.o
  CC      lib/decompress.o
  CC      lib/xz/xz_dec_bcj.o
  CC      fs/proc/interrupts.o
  CC      lib/decompress_bunzip2.o
  CC      fs/proc/loadavg.o
  CC      net/ipv4/ip_fragment.o
  CC      lib/decompress_inflate.o
  CC      lib/decompress_unlz4.o
  CC      lib/decompress_unlzma.o
  CC      fs/proc/meminfo.o
  CC      drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.o
  CC      lib/decompress_unlzo.o
  LD      drivers/net/wireless/admtek/built-in.o
  LD      drivers/base/regmap/built-in.o
  CC      lib/decompress_unxz.o
  LD      drivers/base/built-in.o
  CC      net/ipv6/ip6_offload.o
  LD      drivers/net/wireless/ath/built-in.o
  CC      fs/proc/stat.o
  CC      fs/nfs/getroot.o
  LD      drivers/net/wireless/atmel/built-in.o
  CC      net/netlink/af_netlink.o
  CC      lib/dump_stack.o
  LD      drivers/net/wireless/broadcom/built-in.o
  CC      lib/earlycpio.o
  CC      drivers/usb/core/driver.o
  CC      net/ipv4/ip_forward.o
  CC      fs/lockd/svcshare.o
  LD      drivers/net/wireless/cisco/built-in.o
  CC      lib/extable.o
  CC      drivers/mmc/core/sd_ops.o
  LD      drivers/net/wireless/intel/built-in.o
  CC      drivers/input/mouse/focaltech.o
  CC      lib/fdt.o
  CC      net/ipv6/tcpv6_offload.o
  CC      lib/fdt_empty_tree.o
  CC      lib/fdt_ro.o
  CC      lib/fdt_rw.o
  LD      drivers/video/console/built-in.o
  LD      drivers/net/wireless/intersil/built-in.o
  CC      fs/lockd/svcproc.o
  CC      lib/zlib_inflate/infutil.o
  CC      fs/proc/uptime.o
  CC      drivers/net/ethernet/stmicro/stmmac/ring_mode.o
  LD      drivers/net/wireless/marvell/built-in.o
  CC      lib/fdt_strerror.o
  CC      fs/proc/version.o
  CC      lib/fdt_sw.o
  CC      net/core/scm.o
  CC      net/ipv4/ip_options.o
  LD      drivers/net/wireless/mediatek/built-in.o
  CC      fs/proc/softirqs.o
  CC      lib/fdt_wip.o
  CC      drivers/usb/core/config.o
  CC      lib/flex_proportions.o
  CC      drivers/video/fbdev/core/fb_notify.o
  CC      block/partitions/efi.o
  LD      drivers/net/wireless/ralink/built-in.o
  CC      drivers/of/of_net.o
  CC      lib/zlib_inflate/inftrees.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      drivers/net/wireless/realtek/built-in.o
  CC      lib/idr.o
  CC      fs/ntfs/file.o
  CC      drivers/mmc/core/sdio.o
  CC      lib/int_sqrt.o
  CC      drivers/scsi/scsi_devinfo.o
  CC      net/ipv6/udp_offload.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      fs/proc/namespaces.o
  CC      fs/nfs/inode.o
  CC      drivers/mmc/host/dw_mmc-pltfm.o
  CC      lib/ioremap.o
  CC      lib/irq_regs.o
  CC      lib/zlib_inflate/inflate_syms.o
  LD      drivers/net/wireless/rsi/built-in.o
  LD      lib/xz/xz_dec.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:1194:21: note: 'blocknr' was declared here
  unsigned long long blocknr;
                     ^
  LD      lib/xz/built-in.o
  CC      fs/proc/self.o
  CC      lib/klist.o
  CC      lib/is_single_threaded.o
  CC      drivers/video/fbdev/core/fb_cmdline.o
  CC      net/ipv4/ip_output.o
  CC      lib/kobject.o
  CC      fs/proc/thread_self.o
  CC      drivers/input/mouse/alps.o
  LD      drivers/net/wireless/st/built-in.o
  CC      lib/kobject_uevent.o
  CC      lib/md5.o
  CC      lib/nmi_backtrace.o
  LD      drivers/net/wireless/ti/built-in.o
  CC      net/core/gen_stats.o
  CC      drivers/mmc/core/sdio_ops.o
  CC      drivers/mmc/core/sdio_bus.o
  LD      drivers/net/wireless/zydas/built-in.o
  CC      lib/plist.o
  CC      fs/lockd/svcsubs.o
  CC      net/ipv4/ip_sockglue.o
  LD      drivers/net/wireless/built-in.o
  CC      fs/ext4/super.o
  LD      lib/zlib_inflate/zlib_inflate.o
  LD      lib/zlib_inflate/built-in.o
  CC      net/ipv4/inet_hashtables.o
  CC      lib/ratelimit.o
  CC      lib/radix-tree.o
  CC      lib/proportions.o
  CC      drivers/scsi/scsi_sysctl.o
  CC      net/ipv6/exthdrs_offload.o
  CC      drivers/video/fbdev/core/fbmem.o
  CC      drivers/usb/core/file.o
  CC      drivers/net/ethernet/stmicro/stmmac/chain_mode.o
  CC      lib/rbtree.o
  CC      lib/seq_buf.o
  CC      drivers/mmc/host/sdhci-pltfm.o
  CC      lib/sha1.o
  CC      fs/proc/proc_sysctl.o
  CC      lib/show_mem.o
  CC      fs/proc/proc_net.o
  CC      fs/ntfs/index.o
  CC      lib/string.o
  CC      drivers/mmc/core/sdio_cis.o
  CC      drivers/usb/core/buffer.o
  CC      drivers/of/of_mdio.o
  CC      fs/proc/kmsg.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:811:21: note: 'blocknr' was declared here
  unsigned long long blocknr;
                     ^
  CC      drivers/usb/core/sysfs.o
  CC      drivers/usb/core/endpoint.o
  CC      drivers/mmc/core/sdio_io.o
  CC      fs/lockd/mon.o
  CC      drivers/scsi/scsi_proc.o
  CC      lib/timerqueue.o
  CC      drivers/tty/tty_ioctl.o
  CC      net/core/gen_estimator.o
  CC      lib/vsprintf.o
  CC      fs/proc/page.o
  CC      drivers/scsi/scsi_trace.o
  CC      drivers/usb/core/devio.o
  GEN     lib/crc32table.h
  LD      net/ipv6/built-in.o
  CC      lib/crc32.o
  CC      net/ipv4/inet_timewait_sock.o
  CC      net/core/net_namespace.o
  CC      drivers/usb/core/notify.o
  CC      net/packet/af_packet.o
  CC      net/netlink/genetlink.o
  CC      net/ipv4/tcp.o
  CC      net/ipv4/inet_connection_sock.o
  CC      drivers/mmc/core/sdio_irq.o
  CC      net/ipv4/tcp_input.o
  LD      drivers/mmc/host/built-in.o
  CC      drivers/usb/core/generic.o
  CC      drivers/mmc/core/quirks.o
  LD      block/partitions/built-in.o
  CC      drivers/video/logo/logo.o
  CC      drivers/usb/core/quirks.o
  LOGO    drivers/video/logo/logo_superh_mono.c
  LOGO    drivers/video/logo/logo_linux_mono.c
  LOGO    drivers/video/logo/logo_superh_vga16.c
  LOGO    drivers/video/logo/clut_vga16.c
  LD      block/built-in.o
  LOGO    drivers/video/logo/logo_linux_vga16.c
  LOGO    drivers/video/logo/logo_blackfin_vga16.c
  LOGO    drivers/video/logo/logo_spe_clut224.c
  LOGO    drivers/video/logo/logo_superh_clut224.c
  LD      net/key/built-in.o
  LOGO    drivers/video/logo/logo_mac_clut224.c
  LOGO    drivers/video/logo/logo_sun_clut224.c
  LOGO    drivers/video/logo/logo_linux_clut224.c
  LOGO    drivers/video/logo/logo_parisc_clut224.c
  LOGO    drivers/video/logo/logo_dec_clut224.c
  LOGO    drivers/video/logo/logo_m32r_clut224.c
  LOGO    drivers/video/logo/logo_blackfin_clut224.c
  CC      fs/ext4/symlink.o
  LOGO    drivers/video/logo/logo_sgi_clut224.c
  CC      fs/ext4/hash.o
  CC      net/sched/sch_generic.o
  CC      drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.o
  CC      drivers/net/ethernet/stmicro/stmmac/dwmac_lib.o
  CC      fs/ext4/resize.o
  CC      drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.o
  CC      net/sched/sch_mq.o
  CC      fs/ext4/extents.o
  LD      drivers/video/logo/built-in.o
  CC      drivers/mmc/core/slot-gpio.o
  LD      fs/jbd2/jbd2.o
  CC      drivers/net/ethernet/stmicro/stmmac/dwmac100_core.o
  CC      fs/ntfs/inode.o
  LD      fs/jbd2/built-in.o
  LD      drivers/of/built-in.o
  CC      drivers/usb/core/devices.o
  CC      drivers/usb/core/port.o
  CC      drivers/mmc/core/pwrseq.o
  CC      fs/ntfs/mft.o
  CC      drivers/scsi/scsi_logging.o
  CC      fs/lockd/xdr.o
  CC      drivers/mmc/core/pwrseq_simple.o
  CC      drivers/scsi/sd.o
  CC      net/ipv4/tcp_output.o
  CC      net/core/secure_seq.o
  CC      fs/ext4/ext4_jbd2.o
  CC      fs/ext4/migrate.o
  CC      drivers/mmc/core/pwrseq_emmc.o
  LD      lib/built-in.o
  CC      net/core/flow_dissector.o
  CC      fs/ext4/mballoc.o
  CC      net/core/sysctl_net_core.o
  CC      fs/ext4/block_validity.o
  CC      net/core/dev.o
  CC      net/core/ethtool.o
  CC      drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.o
  CC      net/ipv4/tcp_timer.o
  CC      net/core/dev_addr_lists.o
  CC      net/core/dst.o
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]
 }
 ^
  CC      fs/lockd/clnt4xdr.o
  CC      net/core/netevent.o
  CC      drivers/net/ethernet/stmicro/stmmac/enh_desc.o
  LD      drivers/mmc/core/mmc_core.o
  LD      drivers/mmc/core/built-in.o
  CC      net/core/neighbour.o
  CC      drivers/tty/tty_ldisc.o
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      fs/ntfs/mst.o
  CC      drivers/net/ethernet/stmicro/stmmac/norm_desc.o
  CC      net/ipv4/tcp_ipv4.o
  LD      drivers/mmc/built-in.o
  CC      drivers/net/ethernet/stmicro/stmmac/mmc_core.o
  CC      net/ipv4/tcp_minisocks.o
  CC      drivers/input/mouse/logips2pp.o
  CC      fs/nfs/super.o
  CC      net/core/rtnetlink.o
  CC      fs/ext4/move_extent.o
  CC      drivers/video/fbdev/core/fbmon.o
/home/kisskb/slave/src/net/core/ethtool.c: In function 'ethtool_get_feature_mask':
/home/kisskb/slave/src/net/core/ethtool.c:294:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
  CC      drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.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      fs/ext4/mmp.o
  LD      net/netlink/built-in.o
  CC      net/ipv4/tcp_cong.o
  CC      net/core/utils.o
  CC      drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.o
  CC      fs/ntfs/namei.o
  CC      drivers/net/ethernet/stmicro/stmmac/stmmac_platform.o
  CC      net/core/link_watch.o
  CC      fs/lockd/xdr4.o
  LD      fs/proc/proc.o
  LD      drivers/scsi/scsi_mod.o
  LD      fs/proc/built-in.o
  CC      net/core/filter.o
  CC      net/core/sock_diag.o
  CC      net/sunrpc/clnt.o
In file included from /home/kisskb/slave/src/net/ipv4/tcp_ipv4.c:76:0:
/home/kisskb/slave/src/include/net/tcp_memcontrol.h:4:54: warning: 'struct cgroup_subsys' declared inside parameter list [enabled by default]
 int tcp_init_cgroup(struct mem_cgroup *memcg, struct cgroup_subsys *ss);
                                                      ^
/home/kisskb/slave/src/include/net/tcp_memcontrol.h:4:54: warning: its scope is only this definition or declaration, which is probably not what you want [enabled by default]
  CC      drivers/net/ethernet/stmicro/stmmac/dwmac-generic.o
  CC      fs/ext4/extents_status.o
  CC      fs/ext4/indirect.o
  CC      net/ipv4/tcp_metrics.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]
 }
 ^
  LD      drivers/video/fbdev/omap2/displays-new/built-in.o
  CC      drivers/input/mouse/trackpoint.o
  CC      drivers/video/fbdev/core/fbcmap.o
  LD      net/sched/built-in.o
  LD      drivers/video/fbdev/omap2/dss/built-in.o
  CC      net/core/dev_ioctl.o
  CC      net/core/tso.o
  LD      net/wireless/built-in.o
  LD      drivers/video/fbdev/omap2/built-in.o
  CC      fs/lockd/svc4proc.o
  CC      net/unix/af_unix.o
  CC      fs/lockd/procfs.o
  AR      lib/lib.a
  CC      net/unix/garbage.o
  CC      net/xfrm/xfrm_policy.o
  CC      net/xfrm/xfrm_state.o
  CC      net/ipv4/tcp_fastopen.o
  CC      fs/ntfs/runlist.o
  CC      drivers/tty/tty_buffer.o
  CC      net/core/sock_reuseport.o
  LD      drivers/usb/core/usbcore.o
  CC      fs/ext4/xattr.o
  LD      drivers/net/ethernet/stmicro/stmmac/stmmac.o
  LD      drivers/usb/core/built-in.o
  CC      fs/ntfs/super.o
  CC      drivers/tty/tty_port.o
/home/kisskb/slave/src/net/packet/af_packet.c: In function 'tpacket_rcv':
/home/kisskb/slave/src/net/packet/af_packet.c:2098:33: warning: 'hdrlen' may be used uninitialized in this function [-Wmaybe-uninitialized]
  unsigned short macoff, netoff, hdrlen;
                                 ^
  LD      drivers/net/ethernet/stmicro/stmmac/stmmac-platform.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/tty/tty_mutex.o
  CC      net/core/flow.o
  CC      drivers/usb/host/ehci-hcd.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",
          ^
  LD      drivers/net/ethernet/stmicro/stmmac/built-in.o
  LD      drivers/net/ethernet/stmicro/built-in.o
  CC      net/core/net-sysfs.o
  CC      fs/ext4/xattr_user.o
  LD      drivers/net/ethernet/built-in.o
  CC      net/core/net-procfs.o
  CC      net/ipv4/tcp_recovery.o
  CC      fs/ext4/xattr_trusted.o
  CC      drivers/input/mouse/touchkit_ps2.o
  CC      drivers/video/fbdev/core/fbsysfs.o
  CC      net/ipv4/tcp_offload.o
  CC      net/ipv4/datagram.o
  LD      drivers/net/built-in.o
  CC      net/core/ptp_classifier.o
  CC      drivers/video/fbdev/core/modedb.o
  CC      net/ipv4/raw.o
  CC      drivers/tty/tty_ldsem.o
  CC      fs/ext4/inline.o
  CC      drivers/usb/host/ehci-platform.o
  CC      fs/ext4/readpage.o
  CC      drivers/usb/host/ohci-hcd.o
  CC      fs/ext4/sysfs.o
  CC      drivers/tty/pty.o
  LD      drivers/tty/ipwireless/built-in.o
  CC      drivers/input/mouse/cypress_ps2.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_handle_unwritten_extents':
/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:3402:21: 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:3402:21: note: '*((void *)&zero_ex+6)' was declared here
  struct ext4_extent zero_ex;
                     ^
/home/kisskb/slave/src/fs/ext4/extents.c:3113:2: 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:3402:21: note: 'zero_ex.ee_block' was declared here
  struct ext4_extent zero_ex;
                     ^
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.<U22f8>.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:981:23: note: 'saddr.<U22f8>.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.<U22f8>.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:981:23: note: 'saddr.<U22f8>.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.<U22f8>.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:981:23: note: 'saddr.<U22f8>.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.<U22f8>.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:981:23: note: 'saddr.<U22f8>.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:981:30: 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:981:30: note: 'daddr.in6_u.u6_addr32[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/net/ipv4/tcp_metrics.c: In function 'tcp_metrics_nl_cmd_del':
/home/kisskb/slave/src/include/net/inetpeer.h:141:6: warning: 'daddr.<U22f8>.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:1062:30: note: 'daddr.<U22f8>.a4.addr' was declared here
  struct inetpeer_addr saddr, daddr;
                              ^
/home/kisskb/slave/src/net/ipv4/tcp_metrics.c:1079:7: 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.<U22f8>.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:1062:23: note: 'saddr.<U22f8>.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.<U22f8>.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:1062:23: note: 'saddr.<U22f8>.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:1062:30: 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:1062:30: note: 'daddr.in6_u.u6_addr32[2]' was declared here
  struct inetpeer_addr saddr, daddr;
                              ^
  CC      drivers/tty/serial/serial_core.o
  LD      fs/lockd/lockd.o
  CC      net/ipv4/udp.o
  CC      net/ipv4/udplite.o
  LD      fs/lockd/built-in.o
  CC      drivers/input/mouse/sermouse.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      fs/ntfs/sysctl.o
  CC      drivers/tty/vt/vt_ioctl.o
  CC      fs/ntfs/unistr.o
  CC      drivers/tty/serial/earlycon.o
  CC      net/sysctl_net.o
  CC      net/ipv4/udp_offload.o
  CC      drivers/video/fbdev/core/fbcvt.o
  CC      net/ipv4/arp.o
  CC      drivers/usb/host/ohci-platform.o
  CC      net/unix/sysctl_net_unix.o
  CC      net/ipv4/icmp.o
  CC      net/sunrpc/xprt.o
  CC      net/sunrpc/socklib.o
  CC      fs/ntfs/upcase.o
  CC      fs/nfs/direct.o
  CC      fs/nfs/pagelist.o
  CC      drivers/input/mouse/synaptics_usb.o
  CC      drivers/tty/serial/8250/8250_core.o
  CC      net/ipv4/devinet.o
  CC      drivers/tty/serial/8250/8250_port.o
  CC      net/ipv4/af_inet.o
  CC      drivers/tty/serial/8250/8250_early.o
  CC      net/ipv4/igmp.o
  LD      drivers/scsi/sd_mod.o
  CC      drivers/tty/serial/8250/8250_dw.o
  LD      drivers/scsi/built-in.o
  LD      drivers/input/mouse/psmouse.o
  CC      net/ipv4/fib_frontend.o
  CC      drivers/tty/serial/8250/8250_of.o
  CC      net/ipv4/fib_semantics.o
  CC      net/ipv4/fib_trie.o
  CC      net/ipv4/inet_fragment.o
  LD      drivers/usb/misc/built-in.o
  LD      drivers/video/fbdev/core/fb.o
  LD      drivers/video/fbdev/core/built-in.o
/home/kisskb/slave/src/fs/ext4/extents.c: In function 'ext4_ext_map_blocks':
/home/kisskb/slave/src/fs/ext4/extents.c:2306:14: warning: 'lblock' may be used uninitialized in this function [-Wmaybe-uninitialized]
  ext4_lblk_t lblock;
              ^
/home/kisskb/slave/src/fs/ext4/extents.c:2305:14: warning: 'len' may be used uninitialized in this function [-Wmaybe-uninitialized]
  ext4_lblk_t len;
              ^
  CC      drivers/usb/phy/of.o
  LD      drivers/video/fbdev/built-in.o
/home/kisskb/slave/src/net/unix/af_unix.c: In function 'unix_dgram_sendmsg':
/home/kisskb/slave/src/net/unix/af_unix.c:1724:9: warning: 'hash' may be used uninitialized in this function [-Wmaybe-uninitialized]
   other = unix_find_other(net, sunaddr, namelen, sk->sk_type,
         ^
  CC      net/sunrpc/xprtsock.o
  CC      net/sunrpc/sched.o
  CC      fs/nfs/read.o
  CC      net/ipv4/ping.o
  LD      drivers/video/built-in.o
  CC      drivers/usb/storage/scsiglue.o
  CC      net/sunrpc/auth.o
  CC      drivers/usb/storage/protocol.o
  LD      drivers/input/mouse/built-in.o
  LD      drivers/input/built-in.o
  LD      fs/ntfs/ntfs.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      drivers/usb/storage/transport.o
  CC      net/sunrpc/auth_null.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;
                   ^
  LD      fs/ntfs/built-in.o
  CC      net/ipv4/ip_tunnel_core.o
  CC      net/sunrpc/auth_unix.o
  LD      net/packet/built-in.o
  CC      net/ipv4/gre_offload.o
  CC      net/sunrpc/auth_generic.o
/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);
        ^
  LD      drivers/usb/phy/built-in.o
  CC      net/ipv4/sysctl_net_ipv4.o
  CC      net/sunrpc/svc.o
  CC      net/ipv4/proc.o
  CC      net/sunrpc/svcsock.o
  CC      drivers/tty/vt/vc_screen.o
  CC      drivers/tty/vt/selection.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);
         ^
  CC      net/ipv4/inet_lro.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;
                  ^
  CC      drivers/usb/storage/usb.o
  CC      net/ipv4/ipconfig.o
  CC      drivers/usb/storage/initializers.o
  CC      drivers/usb/storage/sierra_ms.o
/home/kisskb/slave/src/net/ipv4/tcp_input.c: In function 'tcp_data_queue':
/home/kisskb/slave/src/net/ipv4/tcp_input.c:4227:49: warning: array subscript is above array bounds [-Warray-bounds]
     tp->selective_acks[i-1] = tp->selective_acks[i];
                                                 ^
  CC      net/xfrm/xfrm_hash.o
  LD      drivers/tty/serial/8250/8250.o
  CC      fs/nfs/symlink.o
  CC      net/ipv4/inet_diag.o
In file included from /home/kisskb/slave/src/net/ipv4/sysctl_net_ipv4.c:27:0:
/home/kisskb/slave/src/include/net/tcp_memcontrol.h:4:54: warning: 'struct cgroup_subsys' declared inside parameter list [enabled by default]
 int tcp_init_cgroup(struct mem_cgroup *memcg, struct cgroup_subsys *ss);
                                                      ^
/home/kisskb/slave/src/include/net/tcp_memcontrol.h:4:54: warning: its scope is only this definition or declaration, which is probably not what you want [enabled by default]
  CC      drivers/usb/storage/option_ms.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;
               ^
/home/kisskb/slave/src/net/ipv4/ping.c: In function 'ping_err':
/home/kisskb/slave/src/net/ipv4/ping.c:559:37: 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:532:3: warning: 'type' may be used uninitialized in this function [-Wmaybe-uninitialized]
   switch (type) {
   ^
/home/kisskb/slave/src/net/ipv4/ping.c:513:48: warning: 'icmph' may be used uninitialized in this function [-Wmaybe-uninitialized]
  if (!ping_supported(family, icmph->type, icmph->code))
                                                ^
/home/kisskb/slave/src/net/unix/af_unix.c: In function 'unix_seqpacket_sendmsg':
/home/kisskb/slave/src/net/unix/af_unix.c:1724:9: 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:1651:15: note: 'hash' was declared here
  unsigned int hash;
               ^
/home/kisskb/slave/src/net/ipv4/ping.c: In function 'ping_common_sendmsg':
/home/kisskb/slave/src/net/ipv4/ping.c:690:21: 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:476:63: 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:658:11: note: 'code' was declared here
  u8 type, code;
           ^
/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      net/ipv4/tcp_diag.o
  CC      fs/nfs/unlink.o
  CC      net/ipv4/tcp_cubic.o
  CC      net/sunrpc/svcauth.o
  CC      net/xfrm/xfrm_input.o
  CC      net/ipv4/xfrm4_policy.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/ipv4/xfrm4_state.o
  CC      net/ipv4/xfrm4_input.o
  CC      net/ipv4/xfrm4_output.o
  CC      net/sunrpc/svcauth_unix.o
  CC      net/sunrpc/addr.o
  CC      drivers/usb/storage/usual-tables.o
  CC      net/sunrpc/rpcb_clnt.o
  CC      net/ipv4/xfrm4_protocol.o
  CC      drivers/tty/vt/keyboard.o
  CC      fs/nfs/write.o
  CC      drivers/tty/vt/consolemap.o
  LD      net/unix/unix.o
  LD      net/unix/built-in.o
  CC      fs/nfs/namespace.o
  CONMK   drivers/tty/vt/consolemap_deftbl.c
  CC      drivers/tty/vt/vt.o
/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;
           ^
  SHIPPED drivers/tty/vt/defkeymap.c
  CC      fs/nfs/mount_clnt.o
  CC      drivers/tty/vt/consolemap_deftbl.o
  CC      net/xfrm/xfrm_output.o
  CC      fs/nfs/nfstrace.o
  CC      net/xfrm/xfrm_sysctl.o
  LD      drivers/usb/storage/usb-storage.o
  CC      drivers/tty/vt/defkeymap.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      drivers/usb/storage/built-in.o
  CC      net/sunrpc/timer.o
  CC      fs/nfs/sysctl.o
  CC      net/xfrm/xfrm_replay.o
  CC      fs/nfs/nfs2super.o
  CC      net/xfrm/xfrm_algo.o
  CC      fs/nfs/proc.o
  LD      drivers/tty/serial/8250/8250_base.o
  CC      net/sunrpc/xdr.o
  LD      fs/ext4/ext4.o
  CC      net/sunrpc/sunrpc_syms.o
  CC      fs/nfs/nfs2xdr.o
  LD      drivers/tty/serial/8250/built-in.o
  CC      fs/nfs/nfs3super.o
  LD      fs/ext4/built-in.o
  CC      fs/nfs/nfs3client.o
  CC      net/sunrpc/cache.o
  CC      fs/nfs/nfs3proc.o
  CC      net/sunrpc/rpc_pipe.o
  CC      fs/nfs/nfs3xdr.o
/home/kisskb/slave/src/net/ipv4/fib_trie.c: In function 'fib_trie_unmerge':
/home/kisskb/slave/src/net/ipv4/fib_trie.c:911:11: 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:1697:39: note: 'local_tp' was declared here
   struct key_vector *local_l = NULL, *local_tp;
                                       ^
  CC      net/sunrpc/svc_xprt.o
  CC      net/sunrpc/stats.o
  CC      net/sunrpc/sysctl.o
  LD      drivers/tty/serial/built-in.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;
                       ^
/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;
                 ^
/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;
                 ^
  LD      net/ipv4/built-in.o
/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;
                 ^
  LD      net/xfrm/built-in.o
  LD      drivers/usb/host/built-in.o
  LD      drivers/usb/built-in.o
/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;
                 ^
/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/sunrpc/xdr.c:1199:17: 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: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      fs/nfs/nfsv2.o
  LD      fs/nfs/nfsv3.o
  LD      fs/nfs/nfs.o
  LD      fs/nfs/built-in.o
  LD      net/core/built-in.o
  LD      fs/built-in.o
  LD      net/sunrpc/sunrpc.o
  LD      net/sunrpc/built-in.o
  LD      net/built-in.o
  LD      drivers/tty/vt/built-in.o
  LD      drivers/tty/built-in.o
  LD      drivers/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/jitterentropy_rng.ko
  LD [M]  crypto/echainiv.ko
  LD [M]  crypto/sha256_generic.ko
  LD [M]  crypto/hmac.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: 0:00:40.298458