Hi Charan, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v5.18-rc6 next-20220510] [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/Charan-Teja-Kalla/dmabuf-ensure-unique-directory-name-for-dmabuf-stats/20220510-221009 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 9be9ed2612b5aedb52a2c240edb1630b6b743cb6 config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20220511/202205110511.E0d8TXXC-lkp@xxxxxxxxx/config) compiler: arceb-elf-gcc (GCC) 11.3.0 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/1bc947824de94b4d4a87c48772c0d36872eaf731 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Charan-Teja-Kalla/dmabuf-ensure-unique-directory-name-for-dmabuf-stats/20220510-221009 git checkout 1bc947824de94b4d4a87c48772c0d36872eaf731 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash drivers/dma-buf/ 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/dma-buf/dma-buf-sysfs-stats.c: In function 'dma_buf_stats_setup': >> drivers/dma-buf/dma-buf-sysfs-stats.c:196:43: warning: format '%lu' expects argument of type 'long unsigned int', but argument 6 has type 's64' {aka 'long long int'} [-Wformat=] 196 | "%lu-%lu", file_inode(dmabuf->file)->i_ino, | ~~^ | | | long unsigned int | %llu 197 | atomic64_add_return(1, &unique_id)); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | | | s64 {aka long long int} vim +196 drivers/dma-buf/dma-buf-sysfs-stats.c 170 171 int dma_buf_stats_setup(struct dma_buf *dmabuf) 172 { 173 struct dma_buf_sysfs_entry *sysfs_entry; 174 int ret; 175 static atomic64_t unique_id = ATOMIC_INIT(0); 176 177 if (!dmabuf || !dmabuf->file) 178 return -EINVAL; 179 180 if (!dmabuf->exp_name) { 181 pr_err("exporter name must not be empty if stats needed\n"); 182 return -EINVAL; 183 } 184 185 sysfs_entry = kzalloc(sizeof(struct dma_buf_sysfs_entry), GFP_KERNEL); 186 if (!sysfs_entry) 187 return -ENOMEM; 188 189 sysfs_entry->kobj.kset = dma_buf_per_buffer_stats_kset; 190 sysfs_entry->dmabuf = dmabuf; 191 192 dmabuf->sysfs_entry = sysfs_entry; 193 194 /* create the directory for buffer stats */ 195 ret = kobject_init_and_add(&sysfs_entry->kobj, &dma_buf_ktype, NULL, > 196 "%lu-%lu", file_inode(dmabuf->file)->i_ino, -- 0-DAY CI Kernel Test Service https://01.org/lkp
