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

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

[kernel test robot]

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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@intel.com>

All error/warnings (new ones prefixed by >>):

>> drivers/nvme/host/core.c:1946:23: error: implicit declaration of function 'nvme_find_path' [-Werror,-Wimplicit-function-declaration]
           struct nvme_ns *ns = nvme_find_path(head);
                                ^
>> drivers/nvme/host/core.c:1946:18: warning: incompatible integer to pointer conversion initializing 'struct nvme_ns *' with an expression of type 'int' [-Wint-conversion]
           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);
> 1946		struct nvme_ns *ns = nvme_find_path(head);
  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(a)lists.01.org

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