Hi Nirmoy, Thank you for the patch! Yet something to improve: [auto build test ERROR on drm-intel/for-linux-next] [also build test ERROR on tegra/for-next drm-tip/drm-tip linus/master v5.15-rc5 next-20211012] [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/0day-ci/linux/commits/Nirmoy-Das/dri-cleanup-debugfs-error-handling/20211008-173312 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: arm-randconfig-r034-20211012 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c3dcf39554dbea780d6cb7e12239451ba47a2668) 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 # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://github.com/0day-ci/linux/commit/0c9a39f1265783134650d360585c60e0b1f64efe git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Nirmoy-Das/dri-cleanup-debugfs-error-handling/20211008-173312 git checkout 0c9a39f1265783134650d360585c60e0b1f64efe # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): >> drivers/gpu/drm/armada/armada_debugfs.c:111:3: error: non-void function 'armada_drm_debugfs_init' should return a value [-Wreturn-type] return; ^ 1 error generated. Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for QCOM_SCM Depends on (ARM || ARM64) && HAVE_ARM_SMCCC Selected by - ARM_QCOM_SPM_CPUIDLE && CPU_IDLE && (ARM || ARM64) && (ARCH_QCOM || COMPILE_TEST && !ARM64 && MMU vim +/armada_drm_debugfs_init +111 drivers/gpu/drm/armada/armada_debugfs.c 107 108 int armada_drm_debugfs_init(struct drm_minor *minor) 109 { 110 if (!minor->debugfs_root) > 111 return; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org