Re: [PATCH] uacce: Add uacce_ctrl misc device

From: kernel test robot
Date: Thu Jan 21 2021 - 06:46:21 EST


Hi Zhou,

I love your patch! Perhaps something to improve:

[auto build test WARNING on char-misc/char-misc-testing]
[also build test WARNING on soc/for-next linux/master linus/master v5.11-rc4 next-20210120]
[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/Zhou-Wang/uacce-Add-uacce_ctrl-misc-device/20210121-172139
base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git f6f1f8e6e3eea25f539105d48166e91f0ab46dd1
config: x86_64-randconfig-s021-20210121 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.3-208-g46a52ca4-dirty
# https://github.com/0day-ci/linux/commit/4dc40d891a7e60ed79e6b9460a38a142d3d1a965
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Zhou-Wang/uacce-Add-uacce_ctrl-misc-device/20210121-172139
git checkout 4dc40d891a7e60ed79e6b9460a38a142d3d1a965
# save the attached .config to linux build tree
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64

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


"sparse warnings: (new ones prefixed by >>)"
>> drivers/misc/uacce/uacce.c:511:5: sparse: sparse: symbol 'uacce_ctrl_open' was not declared. Should it be static?
>> drivers/misc/uacce/uacce.c:525:5: sparse: sparse: symbol 'uacce_ctrl_release' was not declared. Should it be static?

Please review and possibly fold the followup patch.

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

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