[kbuild-all] Re: [pinctrl-intel:review-andy 18/19] drivers/pinctrl/pinctrl-zynqmp.c:825:13: warning: variable 'pin' is uninitialized when used here

On Fri, Nov 19, 2021 at 04:08:32PM +0800, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/intel.git review-andy > head: c25441ca551164c56b34885df3d657e2ea4d623f > commit: 9122cda6a325f80564f02b7899cc063009f5e1f9 [18/19] pinctrl: zynqmp: Unify pin naming > config: arm64-buildonly-randconfig-r004-20211118 (attached as .config) > 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 arm64 cross compiling tool for clang build > # apt-get install binutils-aarch64-linux-gnu > # https://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/intel.git/commit/... > git remote add pinctrl-intel https://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/intel.git > git fetch --no-tags pinctrl-intel review-andy > git checkout 9122cda6a325f80564f02b7899cc063009f5e1f9 > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=arm64 > > 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/pinctrl-zynqmp.c:825:13: warning: variable 'pin' is uninitialized when used here [-Wuninitialized] > if (IS_ERR(pin->name)) > ^~~ > drivers/pinctrl/pinctrl-zynqmp.c:811:37: note: initialize the variable 'pin' to silence this warning > struct pinctrl_pin_desc *pins, *pin; > ^ > = NULL > 1 warning generated. Utterly inappropriate suggestion by the compiler (it found an actual error, though). Can be Clang fixed, really?