tree: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git bleeding-edge head: 98fe6903f79cffbb0f271369f62f4e5fea0e978c commit: 9b3fc1c6ba14f12e819e9d44c72013a1da58c0d9 [43/45] thermal: core: Introduce thermal_cooling_device_update() config: i386-randconfig-a001-20230320 (https://download.01.org/0day-ci/archive/20230322/202303220652.Yhopf8F0-lkp@xxxxxxxxx/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) 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://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git/commit/?id=9b3fc1c6ba14f12e819e9d44c72013a1da58c0d9 git remote add rafael-pm https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git git fetch --no-tags rafael-pm bleeding-edge git checkout 9b3fc1c6ba14f12e819e9d44c72013a1da58c0d9 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/thermal/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202303220652.Yhopf8F0-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/thermal/thermal_sysfs.c:717:6: warning: variable 'ret' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized] if (!stats) ^~~~~~ drivers/thermal/thermal_sysfs.c:727:9: note: uninitialized use occurs here return ret; ^~~ drivers/thermal/thermal_sysfs.c:717:2: note: remove the 'if' if its condition is always false if (!stats) ^~~~~~~~~~~ drivers/thermal/thermal_sysfs.c:712:9: note: initialize the variable 'ret' to silence this warning int ret; ^ = 0 1 warning generated. vim +717 drivers/thermal/thermal_sysfs.c 706 707 static ssize_t total_trans_show(struct device *dev, 708 struct device_attribute *attr, char *buf) 709 { 710 struct thermal_cooling_device *cdev = to_cooling_device(dev); 711 struct cooling_dev_stats *stats; 712 int ret; 713 714 mutex_lock(&cdev->lock); 715 716 stats = cdev->stats; > 717 if (!stats) 718 goto unlock; 719 720 spin_lock(&stats->lock); 721 ret = sprintf(buf, "%u\n", stats->total_trans); 722 spin_unlock(&stats->lock); 723 724 unlock: 725 mutex_unlock(&cdev->lock); 726 727 return ret; 728 } 729 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
