[Please ignore email this if it is already reported] Kernel build warning noticed on x86_64 with clang toolchain [1]. Build failures noticed from next-20221108 .. next-20221110. Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> make --silent --keep-going --jobs=8 O=/home/tuxbuild/.cache/tuxmake/builds/1/build LLVM=1 LLVM_IAS=1 ARCH=x86_64 SRCARCH=x86 CROSS_COMPILE=x86_64-linux-gnu- HOSTCC=clang CC=clang drivers/cpufreq/acpi-cpufreq.c:970:24: error: variable 'ret' is uninitialized when used here [-Werror,-Wuninitialized] acpi_cpufreq_online = ret; ^~~ drivers/cpufreq/acpi-cpufreq.c:960:9: note: initialize the variable 'ret' to silence this warning int ret; ^ = 0 1 error generated. tuxmake --runtime podman --target-arch x86_64 --toolchain clang-nightly --kconfig defconfig --kconfig-add https://raw.githubusercontent.com/Linaro/meta-lkft/kirkstone/meta/recipes-kernel/linux/files/lkft.config --kconfig-add https://raw.githubusercontent.com/Linaro/meta-lkft/kirkstone/meta/recipes-kernel/linux/files/lkft-crypto.config --kconfig-add https://raw.githubusercontent.com/Linaro/meta-lkft/kirkstone/meta/recipes-kernel/linux/files/distro-overrides.config --kconfig-add https://raw.githubusercontent.com/Linaro/meta-lkft/kirkstone/meta/recipes-kernel/linux/files/systemd.config --kconfig-add https://raw.githubusercontent.com/Linaro/meta-lkft/kirkstone/meta/recipes-kernel/linux/files/virtio.config --kconfig-add CONFIG_IGB=y --kconfig-add CONFIG_UNWINDER_FRAME_POINTER=y LLVM=1 LLVM_IAS=1 Build log: [1] https://builds.tuxbuild.com/2HLg3VgMgxRXBn31n6Ig7BFwSy9/ -- Linaro LKFT https://lkft.linaro.org