Buildresult: powerpc-next/x86_64-allnoconfig/x86_64-gcc4.6 built on Jul 23 2019, 01:10

kisskb

Revisions | Branches | Compilers | Configs | Build Results | Build Failures |

Status:	OK
Date/Time:	Jul 23 2019, 01:10
Duration:	0:00:40.194229
Builder:	ka3
Revision:	PCI: rpaphp: Avoid a sometimes-uninitialized warning (`fde46ba593df92c4d787d2cc35a11f46583c89a6)`
Target:	powerpc-next/x86_64-allnoconfig/x86_64-gcc4.6
Branch:	powerpc-next
Compiler:	x86_64-gcc4.6 (x86_64-linux-gcc (GCC) 4.6.3 / GNU ld (GNU Binutils) 2.22)
Config:	allnoconfig (download)
Log:	Download original Possible warnings (3) kernel/printk/printk.c:194:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/apic/io_apic.c:1037:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/e820.c:664:16: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized] Full Log # git rev-parse -q --verify fde46ba593df92c4d787d2cc35a11f46583c89a6^{commit} # git fetch -q -n -f git://gitlab.ozlabs.ibm.com/linuxppc/linux.git next-test # git rev-parse -q --verify fde46ba593df92c4d787d2cc35a11f46583c89a6^{commit} fde46ba593df92c4d787d2cc35a11f46583c89a6 # git checkout -q -f -B kisskb fde46ba593df92c4d787d2cc35a11f46583c89a6 # git clean -qxdf # < git log -1 # commit fde46ba593df92c4d787d2cc35a11f46583c89a6 # Author: Nathan Chancellor <natechancellor@gmail.com> # Date: Mon Jun 3 15:11:58 2019 -0700 # # PCI: rpaphp: Avoid a sometimes-uninitialized warning # # When building with -Wsometimes-uninitialized, clang warns: # # drivers/pci/hotplug/rpaphp_core.c:243:14: warning: variable 'fndit' is # used uninitialized whenever 'for' loop exits because its condition is # false [-Wsometimes-uninitialized] # for (j = 0; j < entries; j++) { # ^~~~~~~~~~~ # drivers/pci/hotplug/rpaphp_core.c:256:6: note: uninitialized use occurs # here # if (fndit) # ^~~~~ # drivers/pci/hotplug/rpaphp_core.c:243:14: note: remove the condition if # it is always true # for (j = 0; j < entries; j++) { # ^~~~~~~~~~~ # drivers/pci/hotplug/rpaphp_core.c:233:14: note: initialize the variable # 'fndit' to silence this warning # int j, fndit; # ^ # = 0 # # fndit is only used to gate a sprintf call, which can be moved into the # loop to simplify the code and eliminate the local variable, which will # fix this warning. # # Fixes: 2fcf3ae508c2 ("hotplug/drc-info: Add code to search ibm,drc-info property") # Suggested-by: Nick Desaulniers <ndesaulniers@google.com> # Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> # Acked-by: Tyrel Datwyler <tyreld@linux.ibm.com> # Acked-by: Joel Savitz <jsavitz@redhat.com> # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # Link: https://github.com/ClangBuiltLinux/linux/issues/504 # Link: https://lore.kernel.org/r/20190603221157.58502-1-natechancellor@gmail.com # < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version # < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-ld --version # < git log --format=%s --max-count=1 fde46ba593df92c4d787d2cc35a11f46583c89a6 # < make -s -j 80 ARCH=x86_64 O=/kisskb/build/powerpc-next_x86_64-allnoconfig_x86_64-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux- allnoconfig # make -s -j 80 ARCH=x86_64 O=/kisskb/build/powerpc-next_x86_64-allnoconfig_x86_64-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux- /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:194:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/x86/kernel/apic/io_apic.c: In function 'mp_map_pin_to_irq': /kisskb/src/arch/x86/kernel/apic/io_apic.c:1037:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/x86/kernel/e820.c: In function 'e820__setup_pci_gap': /kisskb/src/arch/x86/kernel/e820.c:664:16: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized] Completed OK # rm -rf /kisskb/build/powerpc-next_x86_64-allnoconfig_x86_64-gcc4.6 # Build took: 0:00:40.194229

© Michael Ellerman 2006-2018.