Re: [PATCH v1 4/5] driver core: Handle cycles in device links created by fw_devlink

From: kernel test robot
Date: Fri Dec 18 2020 - 01:45:42 EST


Hi Saravana,

I love your patch! Perhaps something to improve:

[auto build test WARNING on driver-core/driver-core-testing]
[also build test WARNING on linus/master next-20201217]
[cannot apply to linux/master v5.10]
[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/Saravana-Kannan/Enable-fw_devlink-on-by-default/20201218-112111
base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git accefff5b547a9a1d959c7e76ad539bf2480e78b
config: i386-randconfig-s001-20201217 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.3-184-g1b896707-dirty
# https://github.com/0day-ci/linux/commit/7bdc87ea0400318d827410f454ec7e5fbaf470c3
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Saravana-Kannan/Enable-fw_devlink-on-by-default/20201218-112111
git checkout 7bdc87ea0400318d827410f454ec7e5fbaf470c3
# save the attached .config to linux build tree
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386

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/base/core.c:1522:5: sparse: sparse: symbol 'fw_devlink_relax_cycle' 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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