The x86_64 and i386 clang builds failed due to these warnings / errors
on Linux next-20220825.
Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx>
kernel/smpboot.c:435:6: error: variable 'oldstate' is used
uninitialized whenever 'if' condition is true
[-Werror,-Wsometimes-uninitialized]
if (atomic_read(&per_cpu(cpu_hotplug_state, cpu)) == CPU_DEAD)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
kernel/smpboot.c:449:6: note: uninitialized use occurs here
if (oldstate == CPU_DEAD) {
^~~~~~~~
kernel/smpboot.c:435:2: note: remove the 'if' if its condition is always false
if (atomic_read(&per_cpu(cpu_hotplug_state, cpu)) == CPU_DEAD)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
kernel/smpboot.c:428:14: note: initialize the variable 'oldstate' to
silence this warning
int oldstate;
^
= 0
1 error generated.
make[2]: *** [scripts/Makefile.build:250: kernel/smpboot.o] Error 1
Build link: https://builds.tuxbuild.com/2Dpvef6uVvzHMztbfQRmxJfPXZT/
Steps to reproduce:
-------------------
# To install tuxmake on your system globally:
# sudo pip3 install -U tuxmake
tuxmake --runtime podman --target-arch x86_64 --toolchain clang-14
--kconfig https://builds.tuxbuild.com/2Dpvef6uVvzHMztbfQRmxJfPXZT/config
LLVM=1 LLVM_IAS=1
--
Linaro LKFT
https://lkft.linaro.org
