On Mon, Apr 4, 2022 at 8:31 PM kernel test robot <lkp@xxxxxxxxx> wrote: > > Hi Masahiro, > > I love your patch! Perhaps something to improve: > > [auto build test WARNING on linus/master] > [also build test WARNING on linux/master v5.18-rc1 next-20220404] > [cannot apply to soc/for-next drm/drm-next powerpc/next uclinux-h8/h8300-next s390/features arnd-asm-generic/master] > [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/intel-lab-lkp/linux/commits/Masahiro-Yamada/UAPI-make-more-exported-headers-self-contained-and-put-them-into-test-coverage/20220404-142226 > base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git be2d3ecedd9911fbfd7e55cc9ceac5f8b79ae4cf > config: i386-randconfig-a006 (https://download.01.org/0day-ci/archive/20220404/202204041919.bIUKxOch-lkp@xxxxxxxxx/config) > compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project c4a1b07d0979e7ff20d7d541af666d822d66b566) > 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/intel-lab-lkp/linux/commit/e8154d995f34b79843e473d85645fb543d554e7f > git remote add linux-review https://github.com/intel-lab-lkp/linux > git fetch --no-tags linux-review Masahiro-Yamada/UAPI-make-more-exported-headers-self-contained-and-put-them-into-test-coverage/20220404-142226 > git checkout e8154d995f34b79843e473d85645fb543d554e7f > # 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=i386 SHELL=/bin/bash sound/soc/fsl/ > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > All warnings (new ones prefixed by >>): > > >> sound/soc/fsl/imx-audmux.c:148:40: warning: format specifies type 'unsigned long' but the argument has type 'uintptr_t' (aka 'unsigned int') [-Wformat] > snprintf(buf, sizeof(buf), "ssi%lu", i); > ~~~ ^ > %u > 1 warning generated. > Hmm, we highly relied on the fact that the pointer size and the 'long' size are the same. (for both 32-bit and 64-bit). So, using %lu specifier for printing 'uintptr_t' seems correct. typedef unsigned long __kernel_uintptr_t; is OK from the kernel space perspective, but I do not know the impact to the userspace. Arnd, any thoughts? > vim +148 sound/soc/fsl/imx-audmux.c > > 7b4e08a77f0cbf arch/arm/plat-mxc/audmux-v2.c Mark Brown 2010-01-11 139 > b8909783a22b4f sound/soc/fsl/imx-audmux.c Lars-Peter Clausen 2014-04-24 140 static void audmux_debugfs_init(void) > 7b4e08a77f0cbf arch/arm/plat-mxc/audmux-v2.c Mark Brown 2010-01-11 141 { > e5f89768e9bc1f sound/soc/fsl/imx-audmux.c Mark Brown 2014-08-01 142 uintptr_t i; > 7b4e08a77f0cbf arch/arm/plat-mxc/audmux-v2.c Mark Brown 2010-01-11 143 char buf[20]; > 7b4e08a77f0cbf arch/arm/plat-mxc/audmux-v2.c Mark Brown 2010-01-11 144 > 7b4e08a77f0cbf arch/arm/plat-mxc/audmux-v2.c Mark Brown 2010-01-11 145 audmux_debugfs_root = debugfs_create_dir("audmux", NULL); > 7b4e08a77f0cbf arch/arm/plat-mxc/audmux-v2.c Mark Brown 2010-01-11 146 > 409b78cc17a4a3 sound/soc/fsl/imx-audmux.c Torben Hohn 2012-07-18 147 for (i = 0; i < MX31_AUDMUX_PORT7_SSI_PINS_7 + 1; i++) { > e5f89768e9bc1f sound/soc/fsl/imx-audmux.c Mark Brown 2014-08-01 @148 snprintf(buf, sizeof(buf), "ssi%lu", i); > 227ab8baa15bdd sound/soc/fsl/imx-audmux.c Greg Kroah-Hartman 2019-06-14 149 debugfs_create_file(buf, 0444, audmux_debugfs_root, > 227ab8baa15bdd sound/soc/fsl/imx-audmux.c Greg Kroah-Hartman 2019-06-14 150 (void *)i, &audmux_debugfs_fops); > 7b4e08a77f0cbf arch/arm/plat-mxc/audmux-v2.c Mark Brown 2010-01-11 151 } > 7b4e08a77f0cbf arch/arm/plat-mxc/audmux-v2.c Mark Brown 2010-01-11 152 } > 3bc34a6143359d arch/arm/plat-mxc/audmux.c Richard Zhao 2012-03-05 153 > > -- > 0-DAY CI Kernel Test Service > https://01.org/lkp -- Best Regards Masahiro Yamada