Re: [PATCH] Staging: greybus: audio_codec: changed a void function to return 0

From: kernel test robot
Date: Thu Oct 28 2021 - 22:10:02 EST


Hi Senthu,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on staging/staging-testing]

url: https://github.com/0day-ci/linux/commits/Senthu-Sivarajah/Staging-greybus-audio_codec-changed-a-void-function-to-return-0/20211029-000251
base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git 3d34b180323b487cad6f1e7560f1ec653110c899
config: i386-randconfig-a012-20211028 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 5db7568a6a1fcb408eb8988abdaff2a225a8eb72)
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/0day-ci/linux/commit/0b582ab4c534ce5976b1d04848abb837a82d87c9
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Senthu-Sivarajah/Staging-greybus-audio_codec-changed-a-void-function-to-return-0/20211029-000251
git checkout 0b582ab4c534ce5976b1d04848abb837a82d87c9
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=i386

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

>> drivers/staging/greybus/audio_codec.c:1031:2: error: void function 'gbcodec_remove' should not return a value [-Wreturn-type]
return 0;
^ ~
1 error generated.


vim +/gbcodec_remove +1031 drivers/staging/greybus/audio_codec.c

1027
1028 static void gbcodec_remove(struct snd_soc_component *comp)
1029 {
1030 /* Empty function for now */
> 1031 return 0;
1032 }
1033

---
0-DAY CI Kernel Test Service, Intel Corporation
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Attachment: .config.gz
Description: application/gzip