Hi Matthew, Thank you for the patch! Yet something to improve: [auto build test ERROR on drm-tip/drm-tip] [also build test ERROR on linus/master v5.19-rc3 next-20220621] [cannot apply to drm-intel/for-linux-next drm/drm-next] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/intel-lab-lkp/linux/commits/Matthew-Auld/small-BAR-uapi-bits/20220621-184858 base: git://anongit.freedesktop.org/drm/drm-tip drm-tip config: i386-randconfig-a013 (https://download.01.org/0day-ci/archive/20220622/202206220649.BZGTz35f-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project af6d2a0b6825e71965f3e2701a63c239fa0ad70f) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/74d1c5140770ba24cdde39293db3dc3cf05321c9 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Matthew-Auld/small-BAR-uapi-bits/20220621-184858 git checkout 74d1c5140770ba24cdde39293db3dc3cf05321c9 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c:2028:1: error: non-void function does not return a value [-Werror,-Wreturn-type] } ^ 1 error generated. vim +2028 drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c ff20afc4cee7b6 Thomas Hellström 2021-11-29 2025 74d1c5140770ba Matthew Auld 2022-06-21 2026 static int eb_capture_stage(struct i915_execbuffer *eb) ff20afc4cee7b6 Thomas Hellström 2021-11-29 2027 { ff20afc4cee7b6 Thomas Hellström 2021-11-29 @2028 } ff20afc4cee7b6 Thomas Hellström 2021-11-29 2029 -- 0-DAY CI Kernel Test Service https://01.org/lkp