[kbuild-all] [linux-next:master 4290/4439] drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_chardev.c:1863:10: warning: no previous prototype for 'get_process_num_bos'

tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 554f92dbda161fa073844ae6c62db257b8860a0a commit: f185381b64814bb483416e4dd83d85891018a7c5 [4290/4439] drm/amdkfd: CRIU Implement KFD process_info ioctl config: x86_64-randconfig-a012-20220207 (https://download.01.org/0day-ci/archive/20220208/202202081835.YQvtP21z-lk...) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi... git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout f185381b64814bb483416e4dd83d85891018a7c5 # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/gpu/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): 1863 | uint32_t get_process_num_bos(struct kfd_process *p) | ^~~~~~~~~~~~~~~~~~~ vim +/get_process_num_bos +1863 drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_chardev.c 1862 1864 { 1865 uint32_t num_of_bos = 0; 1866 int i; 1867 1868 /* Run over all PDDs of the process */ 1869 for (i = 0; i < p->n_pdds; i++) { 1870 struct kfd_process_device *pdd = p->pdds[i]; 1871 void *mem; 1872 int id; 1873 1874 idr_for_each_entry(&pdd->alloc_idr, mem, id) { 1875 struct kgd_mem *kgd_mem = (struct kgd_mem *)mem; 1876 1877 if ((uint64_t)kgd_mem->va > pdd->gpuvm_base) 1878 num_of_bos++; 1879 } 1880 } 1881 return num_of_bos; 1882 } 1883 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org