tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git kobject-const head: 58626cfaf471a3c20f2b07ad8132742d9b112927 commit: 0cc7120368ac00bbe2eb66ec2fd13d216bae770d [7/8] kobject: kset_uevent_ops: make fiter() callback take a const * config: arm-randconfig-r036-20220926 compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 791a7ae1ba3efd6bca96338e10ffde557ba83920) 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 arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git/commit/?id=0cc7120368ac00bbe2eb66ec2fd13d216bae770d git remote add driver-core https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git git fetch --no-tags driver-core kobject-const git checkout 0cc7120368ac00bbe2eb66ec2fd13d216bae770d # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/dma-buf/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All errors (new ones prefixed by >>): >> drivers/dma-buf/dma-buf-sysfs-stats.c:141:12: error: incompatible function pointer types initializing 'int (*const)(const struct kobject *)' with an expression of type 'int (struct kobject *)' [-Wincompatible-function-pointer-types] .filter = dmabuf_sysfs_uevent_filter, ^~~~~~~~~~~~~~~~~~~~~~~~~~ 1 error generated. vim +141 drivers/dma-buf/dma-buf-sysfs-stats.c bdb8d06dfefd66 Hridya Valsaraju 2021-06-03 139 bdb8d06dfefd66 Hridya Valsaraju 2021-06-03 140 static const struct kset_uevent_ops dmabuf_sysfs_no_uevent_ops = { bdb8d06dfefd66 Hridya Valsaraju 2021-06-03 @141 .filter = dmabuf_sysfs_uevent_filter, bdb8d06dfefd66 Hridya Valsaraju 2021-06-03 142 }; bdb8d06dfefd66 Hridya Valsaraju 2021-06-03 143 :::::: The code at line 141 was first introduced by commit :::::: bdb8d06dfefd666d5981d884b535b04105869fcc dmabuf: Add the capability to expose DMA-BUF stats in sysfs :::::: TO: Hridya Valsaraju :::::: CC: Daniel Vetter -- 0-DAY CI Kernel Test Service https://01.org/lkp