On Wed, Jan 6, 2021 at 7:47 AM kernel test robot <lkp@xxxxxxxxx> wrote: > > Hi Bartosz, > > I love your patch! Perhaps something to improve: > > [auto build test WARNING on abelloni/rtc-next] > [also build test WARNING on v5.11-rc2 next-20210104] > [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/Bartosz-Golaszewski/rtc-s5m-use-devm_i2c_new_dummy_device/20210105-214736 > base: https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git rtc-next > config: x86_64-randconfig-a004-20210105 (attached as .config) > compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 5c951623bc8965fa1e89660f2f5f4a2944e4981a) > 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 > # install x86_64 cross compiling tool for clang build > # apt-get install binutils-x86-64-linux-gnu > # https://github.com/0day-ci/linux/commit/21651184178d1001f3bbc858c9161f1b7fd65321 > git remote add linux-review https://github.com/0day-ci/linux > git fetch --no-tags linux-review Bartosz-Golaszewski/rtc-s5m-use-devm_i2c_new_dummy_device/20210105-214736 > git checkout 21651184178d1001f3bbc858c9161f1b7fd65321 > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross 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/rtc/rtc-s5m.c:773:4: warning: variable 'ret' is uninitialized when used here [-Wuninitialized] > ret); > ^~~ > include/linux/dev_printk.h:112:32: note: expanded from macro 'dev_err' > _dev_err(dev, dev_fmt(fmt), ##__VA_ARGS__) > ^~~~~~~~~~~ > drivers/rtc/rtc-s5m.c:719:9: note: initialize the variable 'ret' to silence this warning > int ret, alarm_irq; > ^ > = 0 > 1 warning generated. > > > vim +/ret +773 drivers/rtc/rtc-s5m.c > This isn't caused by this patch, it seems to be an older bug. I can try to fix it while at it. Bart
