Hi Ryder, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on wireless-drivers-next/master] [also build test WARNING on wireless-drivers/master v5.14-rc7 next-20210827] [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/Ryder-Lee/mt76-mt7915-add-LED-support/20210828-043133 base: https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next.git master config: i386-randconfig-a005-20210827 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 4e1a164d7bd53653f79decc121afe784d2fde0a7) 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/9f1e6ed6d46d979a1331b2ca536fd79e0cac8760 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Ryder-Lee/mt76-mt7915-add-LED-support/20210828-043133 git checkout 9f1e6ed6d46d979a1331b2ca536fd79e0cac8760 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=i386 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/net/wireless/mediatek/mt76/mt7915/init.c:195:6: warning: variable 'delta_on' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized] if (*delay_on) ^~~~~~~~~ drivers/net/wireless/mediatek/mt76/mt7915/init.c:200:34: note: uninitialized use occurs here mt7915_led_set_config(led_cdev, delta_on, delta_off); ^~~~~~~~ drivers/net/wireless/mediatek/mt76/mt7915/init.c:195:2: note: remove the 'if' if its condition is always true if (*delay_on) ^~~~~~~~~~~~~~ drivers/net/wireless/mediatek/mt76/mt7915/init.c:190:14: note: initialize the variable 'delta_on' to silence this warning u16 delta_on, delta_off; ^ = 0 >> drivers/net/wireless/mediatek/mt76/mt7915/init.c:197:6: warning: variable 'delta_off' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized] if (*delay_off) ^~~~~~~~~~ drivers/net/wireless/mediatek/mt76/mt7915/init.c:200:44: note: uninitialized use occurs here mt7915_led_set_config(led_cdev, delta_on, delta_off); ^~~~~~~~~ drivers/net/wireless/mediatek/mt76/mt7915/init.c:197:2: note: remove the 'if' if its condition is always true if (*delay_off) ^~~~~~~~~~~~~~~ drivers/net/wireless/mediatek/mt76/mt7915/init.c:190:25: note: initialize the variable 'delta_off' to silence this warning u16 delta_on, delta_off; ^ = 0 2 warnings generated. vim +195 drivers/net/wireless/mediatek/mt76/mt7915/init.c 194 > 195 if (*delay_on) 196 delta_on = TO_HW_TICK(*delay_on); > 197 if (*delay_off) 198 delta_off = TO_HW_TICK(*delay_off); 199 200 mt7915_led_set_config(led_cdev, delta_on, delta_off); 201 202 return 0; 203 } 204 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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