[Intel-gfx] [PATCH 4/5] drm/armada: check dri/crtc root before debugfs init

[kernel test robot]

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 <lkp at intel.com>

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
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