nvme-fabrics: decode 'authentication required' connect error

The 'connect' command might fail with NVME_SC_AUTH_REQUIRED, so we
should be decoding this error, too.
Signed-off-by: NHannes Reinecke <hare@suse.de>
Reviewed-by: NSagi Grimberg <sagi@grimberg.me>
Reviewed-by: NChaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: NHimanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: NChristoph Hellwig <hch@lst.de>
Signed-off-by: NJens Axboe <axboe@kernel.dk>

drivers/nvme/host/fabrics.c

@@ -331,6 +331,10 @@ static void nvmf_log_connect_error(struct nvme_ctrl *ctrl,
 		dev_err(ctrl->device,
 			"Connect command failed: host path error\n");
 		break;
+	case NVME_SC_AUTH_REQUIRED:
+		dev_err(ctrl->device,
+			"Connect command failed: authentication required\n");
+		break;
 	default:
 		dev_err(ctrl->device,
 			"Connect command failed, error wo/DNR bit: %d\n",