Buildresult: gustavoars/i386-allnoconfig/i386-gcc4.6 built on Aug 28 2019, 12:43

kisskb

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Status:	OK
Date/Time:	Aug 28 2019, 12:43
Duration:	0:00:30.822540
Builder:	ka1
Revision:	perf/x86/intel/uncore: Use struct_size() in kzalloc_node() (`07a9d6cdcca83271b0ba04ec0d333cd9cd352a51)`
Target:	gustavoars/i386-allnoconfig/i386-gcc4.6
Branch:	gustavoars
Compiler:	i386-gcc4.6 (i386-linux-gcc (GCC) 4.6.3 / GNU ld (GNU Binutils) 2.22)
Config:	allnoconfig (download)
Log:	Download original Possible warnings (2) kernel/printk/printk.c:194:16: warning: 'old' 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 07a9d6cdcca83271b0ba04ec0d333cd9cd352a51^{commit} 07a9d6cdcca83271b0ba04ec0d333cd9cd352a51 already have revision, skipping fetch # git checkout -q -f -B kisskb 07a9d6cdcca83271b0ba04ec0d333cd9cd352a51 # git clean -qxdf # < git log -1 # commit 07a9d6cdcca83271b0ba04ec0d333cd9cd352a51 # Author: Gustavo A. R. Silva <gustavo@embeddedor.com> # Date: Wed Aug 7 11:42:29 2019 -0500 # # perf/x86/intel/uncore: Use struct_size() in kzalloc_node() # # One of the more common cases of allocation size calculations is finding # the size of a structure that has a zero-sized array at the end, along # with memory for some number of elements for that array. For example: # # struct intel_uncore_box { # ... # struct intel_uncore_extra_reg shared_regs[0]; # }; # # size = sizeof(struct intel_uncore_box) + count * sizeof(struct intel_uncore_extra_reg); # instance = kzalloc_node(size, GFP_KERNEL, node); # # Instead of leaving these open-coded and prone to type mistakes, we can # now use the new struct_size() helper: # # instance = kzalloc_node(struct_size(instance, shared_regs, count), GFP_KERNEL, # node); # # Notice that, in this case, variable size is not necessary, hence it # is removed. # # This code was detected with the help of Coccinelle. # # Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> # < /opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-linux-gcc --version # < /opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-linux-ld --version # < git log --format=%s --max-count=1 07a9d6cdcca83271b0ba04ec0d333cd9cd352a51 # < make -s -j 8 ARCH=i386 O=/kisskb/build/gustavoars_i386-allnoconfig_i386 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-linux- allnoconfig # make -s -j 8 ARCH=i386 O=/kisskb/build/gustavoars_i386-allnoconfig_i386 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-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/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/gustavoars_i386-allnoconfig_i386 # Build took: 0:00:30.822540

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