Re: [PATCH 2/2] platform/x86/drivers/acerhdf: Check the interval value when it is set

From: kernel test robot
Date: Wed Dec 02 2020 - 20:09:07 EST


Hi Daniel,

I love your patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v5.10-rc6 next-20201201]
[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/Daniel-Lezcano/platform-x86-drivers-acerhdf-Use-module_param_cb-to-set-get-polling-interval/20201203-062450
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 3bb61aa61828499a7d0f5e560051625fd02ae7e4
config: x86_64-randconfig-a004-20201202 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
# https://github.com/0day-ci/linux/commit/40fa9177042a71ae3df7c776d693d27bce63fce8
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Daniel-Lezcano/platform-x86-drivers-acerhdf-Use-module_param_cb-to-set-get-polling-interval/20201203-062450
git checkout 40fa9177042a71ae3df7c776d693d27bce63fce8
# save the attached .config to linux build tree
make W=1 ARCH=x86_64

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

All warnings (new ones prefixed by >>):

>> drivers/platform/x86/acerhdf.c:827:5: warning: no previous prototype for 'interval_set_uint' [-Wmissing-prototypes]
827 | int interval_set_uint(const char *val, const struct kernel_param *kp)
| ^~~~~~~~~~~~~~~~~
drivers/platform/x86/acerhdf.c: In function 'interval_set_uint':
drivers/platform/x86/acerhdf.c:829:2: error: 'ret' undeclared (first use in this function)
829 | ret = param_set_uint(val, kp);
| ^~~
drivers/platform/x86/acerhdf.c:829:2: note: each undeclared identifier is reported only once for each function it appears in

vim +/interval_set_uint +827 drivers/platform/x86/acerhdf.c

826
> 827 int interval_set_uint(const char *val, const struct kernel_param *kp)
828 {
829 ret = param_set_uint(val, kp);
830 if (ret)
831 return ret;
832
833 acerhdf_check_param(thz_dev);
834
835 return 0;
836 }
837

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

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