Hi Hans, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: b2d229d4ddb17db541098b83524d901257e93845 commit: 71c689dc2e732d4cb190aaf0edea73116b1611bd media: v4l2-ctrls: split up into four source files date: 11 months ago config: x86_64-randconfig-s022-20220418 (https://download.01.org/0day-ci/archive/20220418/202204181650.mPKQyrSo-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.2.0-19) 11.2.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=71c689dc2e732d4cb190aaf0edea73116b1611bd git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 71c689dc2e732d4cb190aaf0edea73116b1611bd # save the config file to linux build tree mkdir build_dir make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/media/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/media/v4l2-core/v4l2-ctrls-request.o: warning: objtool: v4l2_ctrl_request_complete()+0xace: stack state mismatch: reg1[14]=-2-32 reg2[14]=-1+0 -- 0-DAY CI Kernel Test Service https://01.org/lkp
