Messages in this thread | | | Date | Fri, 19 Nov 2021 10:33:36 +0200 | From | Andy Shevchenko <> | Subject | Re: [pinctrl-intel:review-andy 18/19] drivers/pinctrl/pinctrl-zynqmp.c:825:13: warning: variable 'pin' is uninitialized when used here |
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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/?id=9122cda6a325f80564f02b7899cc063009f5e1f9 > 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@intel.com> > > 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?
-- With Best Regards, Andy Shevchenko
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