Hi Shai,

[FYI, it's a private test report for your RFC patch.]
[auto build test WARNING on linus/master]
[also build test WARNING on v5.13-rc3 next-20210527]
[cannot apply to ipvs/master]
[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/0day-ci/linux/commits/Shai-Malin/NVMeTCP-Offload-ULP-and-QEDN-Device-Driver/20210528-080853
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 97e5bf604b7a0d6e1b3e00fe31d5fd4b9bffeaae
config: i386-randconfig-r022-20210526 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/e0686b51cd419d2cb3fe66deea80199b2238d41b
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Shai-Malin/NVMeTCP-Offload-ULP-and-QEDN-Device-Driver/20210528-080853
        git checkout e0686b51cd419d2cb3fe66deea80199b2238d41b
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   drivers/nvme/host/tcp-offload.c:79:5: warning: no previous prototype for 'nvme_tcp_ofld_report_queue_err' [-Wmissing-prototypes]
      79 | int nvme_tcp_ofld_report_queue_err(struct nvme_tcp_ofld_queue *queue)
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/nvme/host/tcp-offload.c:97:6: warning: no previous prototype for 'nvme_tcp_ofld_req_done' [-Wmissing-prototypes]
      97 | void nvme_tcp_ofld_req_done(struct nvme_tcp_ofld_req *req,
         |      ^~~~~~~~~~~~~~~~~~~~~~
>> drivers/nvme/host/tcp-offload.c:105:1: warning: no previous prototype for 'nvme_tcp_ofld_lookup_dev' [-Wmissing-prototypes]
     105 | nvme_tcp_ofld_lookup_dev(struct nvme_tcp_ofld_ctrl *ctrl)
         | ^~~~~~~~~~~~~~~~~~~~~~~~


vim +/nvme_tcp_ofld_lookup_dev +105 drivers/nvme/host/tcp-offload.c

   103	
   104	struct nvme_tcp_ofld_dev *
 > 105	nvme_tcp_ofld_lookup_dev(struct nvme_tcp_ofld_ctrl *ctrl)
   106	{
   107		struct nvme_tcp_ofld_dev *dev;
   108	
   109		mutex_lock(&nvme_tcp_ofld_devices_mutex);
   110		list_for_each_entry(dev, &nvme_tcp_ofld_devices, entry) {
   111			if (dev->ops->claim_dev(dev, &ctrl->conn_params))
   112				goto out;
   113		}
   114	
   115		dev = NULL;
   116	out:
   117		mutex_unlock(&nvme_tcp_ofld_devices_mutex);
   118	
   119		return dev;
   120	}
   121	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org