Hi Krzysztof,
I love your patch! Yet something to improve:
[auto build test ERROR on groeck-staging/hwmon-next]
[also build test ERROR on next-20211013]
[cannot apply to robh/for-next v5.15-rc5]
[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/Krzysztof-Adamski/Add-per-channe...
base:
https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git
hwmon-next
config: i386-buildonly-randconfig-r004-20211013 (attached as .config)
compiler: clang version 14.0.0 (
https://github.com/llvm/llvm-project
b6a8c695542b2987eb9a203d5663a0740cb4725f)
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/4a0f8262fe071b0b27c6fba7455627f3c...
git remote add linux-review
https://github.com/0day-ci/linux
git fetch --no-tags linux-review
Krzysztof-Adamski/Add-per-channel-properies-support-in-tmp421/20211012-173142
git checkout 4a0f8262fe071b0b27c6fba7455627f3c5a5209e
# 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(a)intel.com>
All errors (new ones prefixed by >>):
> drivers/hwmon/tmp421.c:178:10: error: variable 'err' is
uninitialized when used here [-Werror,-Wuninitialized]
return
err;
^~~
drivers/hwmon/tmp421.c:170:9: note: initialize the variable 'err' to silence
this warning
int err;
^
= 0
1 error generated.
vim +/err +178 drivers/hwmon/tmp421.c
167
168 static int tmp421_enable_channels(struct tmp421_data *data)
169 {
170 int err;
171 struct i2c_client *client = data->client;
172 struct device *dev = &client->dev;
173 int cfg = i2c_smbus_read_byte_data(client, TMP421_CONFIG_REG_2);
174 int i;
175
176 if (cfg < 0) {
177 dev_err(dev, "error reading register, can't disable channels\n");
178 return err;
179 }
180
181 cfg &= ~TMP421_CONFIG_REG_REN_MASK;
182 for (i = 0; i < data->channels; i++)
183 if (data->channel[i].enabled)
184 cfg |= TMP421_CONFIG_REG_REN(i);
185
186 err = i2c_smbus_write_byte_data(client, TMP421_CONFIG_REG_2, cfg);
187 if (err < 0)
188 dev_err(dev, "error writing register, can't disable channels\n");
189
190 return err;
191 }
192
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org