reproduce: # apt-get install sparse # sparse version: v0.6.4-66-g0196afe1 # https://github.com/intel-lab-lkp/linux/commit/a2fcd73cb5e1bdcb064bc76f6897f1be41628280 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Brahmajit-Das/ACPI-sysfs-Replace-deprecated-strcpy-with-sysfs_emit/20250624-223059 git checkout a2fcd73cb5e1bdcb064bc76f6897f1be41628280 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=i386 olddefconfig make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=i386 SHELL=/bin/bash drivers/acpi/