Hello,
New build issue found on stable-rc/linux-6.6.y:
--- variable 'equiv_id' is used uninitialized whenever 'if' condition is false [-Werror,-Wsometimes-uninitialized] in arch/x86/kernel/cpu/microcode/amd.o (arch/x86/kernel/cpu/microcode/amd.c) [logspec:kbuild,kbuild.compiler.error] ---
- dashboard: https://d.kernelci.org/issue/maestro:b7c225f752a4128f41d922c0181dcbac4f66eb9... - giturl: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git - commit HEAD: 9f243f9dd2684b4b27f8be0cbed639052bc9b22e
Log excerpt: ===================================================== arch/x86/kernel/cpu/microcode/amd.c:820:6: error: variable 'equiv_id' is used uninitialized whenever 'if' condition is false [-Werror,-Wsometimes-uninitialized] 820 | if (x86_family(bsp_cpuid_1_eax) < 0x17) { | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/x86/kernel/cpu/microcode/amd.c:826:31: note: uninitialized use occurs here 826 | return cache_find_patch(uci, equiv_id); | ^~~~~~~~ arch/x86/kernel/cpu/microcode/amd.c:820:2: note: remove the 'if' if its condition is always true 820 | if (x86_family(bsp_cpuid_1_eax) < 0x17) { | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/x86/kernel/cpu/microcode/amd.c:816:14: note: initialize the variable 'equiv_id' to silence this warning 816 | u16 equiv_id; | ^ | = 0 1 error generated.
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# Builds where the incident occurred:
## x86_64_defconfig on (x86_64): - compiler: clang-17 - dashboard: https://d.kernelci.org/build/maestro:67c89e7f18018371956c7fda
## x86_64_defconfig+allmodconfig on (x86_64): - compiler: clang-17 - dashboard: https://d.kernelci.org/build/maestro:67c89e8318018371956c7fe7
#kernelci issue maestro:b7c225f752a4128f41d922c0181dcbac4f66eb98
Reported-by: kernelci.org bot bot@kernelci.org
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