Hi Takashi, I love your patch! Perhaps something to improve: [auto build test WARNING on input/next] [also build test WARNING on hid/for-next linux/master linus/master v5.13-rc3 next-20210527] [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/0day-ci/linux/commits/Takashi-Iwai/Input-elants_i2c-Fix-NULL-dereference-at-probing/20210528-013428 base: https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git next config: powerpc64-randconfig-r032-20210527 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 6505c630407c5feec818f0bb1c284f9eeebf2071) 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 powerpc64 cross compiling tool for clang build # apt-get install binutils-powerpc64-linux-gnu # https://github.com/0day-ci/linux/commit/8a6af622a33ab5301cea789e5ff6a9afd9b09828 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Takashi-Iwai/Input-elants_i2c-Fix-NULL-dereference-at-probing/20210528-013428 git checkout 8a6af622a33ab5301cea789e5ff6a9afd9b09828 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/input/touchscreen/elants_i2c.c:1639:43: warning: expression which evaluates to zero treated as a null pointer constant of type 'const void *' [-Wnon-literal-null-conversion] { .compatible = "elan,ekth3500", .data = EKTH3500 }, ^~~~~~~~ >> drivers/input/touchscreen/elants_i2c.c:1640:43: warning: incompatible integer to pointer conversion initializing 'const void *' with an expression of type 'int' [-Wint-conversion] { .compatible = "elan,ektf3624", .data = EKTF3624 }, ^~~~~~~~ 2 warnings generated. vim +1639 drivers/input/touchscreen/elants_i2c.c 1636 1637 #ifdef CONFIG_OF 1638 static const struct of_device_id elants_of_match[] = { > 1639 { .compatible = "elan,ekth3500", .data = EKTH3500 }, > 1640 { .compatible = "elan,ektf3624", .data = EKTF3624 }, 1641 { /* sentinel */ } 1642 }; 1643 MODULE_DEVICE_TABLE(of, elants_of_match); 1644 #endif 1645 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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