[kbuild-all] [hch-misc:nvme-ioctl 15/15] drivers/nvme/host/core.c:1946:23: error: implicit declaration of function 'nvme_find_path'

tree: git://git.infradead.org/users/hch/misc.git nvme-ioctl head: 35c6dd73314831078d08613ffface7a97333169c commit: 35c6dd73314831078d08613ffface7a97333169c [15/15] nvme: remove nvme_{get,put}_ns_from_disk config: x86_64-randconfig-a003-20210519 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 8e93d10633d751a3e9169bf9fa68326925ffa097) 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 x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu git remote add hch-misc git://git.infradead.org/users/hch/misc.git git fetch --no-tags hch-misc nvme-ioctl git checkout 35c6dd73314831078d08613ffface7a97333169c # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>): struct nvme_ns *ns = nvme_find_path(head); ^ struct nvme_ns *ns = nvme_find_path(head); ^ ~~~~~~~~~~~~~~~~~~~~ 1 warning and 1 error generated. vim +/nvme_find_path +1946 drivers/nvme/host/core.c 1940 1941 static int nvme_send_ns_head_pr_command(struct block_device *bdev, 1942 struct nvme_command *c, u8 data[16]) 1943 { 1944 struct nvme_ns_head *head = bdev->bd_disk->private_data; 1945 int srcu_idx = srcu_read_lock(&head->srcu); 1947 int ret = -EWOULDBLOCK; 1948 1949 if (ns) { 1950 c->common.nsid = cpu_to_le32(ns->head->ns_id); 1951 ret = nvme_submit_sync_cmd(ns->queue, c, data, 16); 1952 } 1953 srcu_read_unlock(&head->srcu, srcu_idx); 1954 return ret; 1955 } 1956 1957 static int nvme_send_ns_pr_command(struct nvme_ns *ns, struct nvme_command *c, 1958 u8 data[16]) 1959 { 1960 c->common.nsid = cpu_to_le32(ns->head->ns_id); 1961 return nvme_submit_sync_cmd(ns->queue, c, data, 16); 1962 } 1963 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org