[kbuild-all] Re: drivers/pinctrl/bcm/pinctrl-bcm2835.c:412:14: warning: variable 'group' is used uninitialized whenever 'for' loop exits because its condition is false

Hi Jason, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 5472f14a37421d1bca3dddf33cabd3bd6dbefbbc commit: 29d45a642d4ea8de7e89b57f856046df7c3b219f pinctrl: bcm2835: Replace BUG with BUG_ON date: 5 months ago config: mips-randconfig-c004-20211214 (https://download.01.org/0day-ci/archive/20211214/202112142208.QW0tVv0m-lk...) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project b6a2ddb6c8ac29412b1361810972e15221fa021c) 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 mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 29d45a642d4ea8de7e89b57f856046df7c3b219f # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/pinctrl/bcm/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): >> drivers/pinctrl/bcm/pinctrl-bcm2835.c:412:14: warning: variable 'group' is used uninitialized whenever 'for' loop exits because its condition is false [-Wsometimes-uninitialized] for (i = 0; i < BCM2835_NUM_IRQS; i++) { ^~~~~~~~~~~~~~~~~~~~ drivers/pinctrl/bcm/pinctrl-bcm2835.c:423:10: note: uninitialized use occurs here switch (group) { ^~~~~ drivers/pinctrl/bcm/pinctrl-bcm2835.c:412:14: note: remove the condition if it is always true for (i = 0; i < BCM2835_NUM_IRQS; i++) { ^~~~~~~~~~~~~~~~~~~~ drivers/pinctrl/bcm/pinctrl-bcm2835.c:409:11: note: initialize the variable 'group' to silence this warning int group; ^ = 0 1 warning generated.