nvmet-tcp: remove nvmet_tcp_finish_cmd

There is only a single call-site of nvmet_tcp_finish_cmd(), this
becomes redundant. Remove nvmet_tcp_finish_cmd() and use the original
function body instead.
Suggested-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: zhenwei pi <pizhenwei@bytedance.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>

drivers/nvme/target/tcp.c

@@ -164,7 +164,6 @@ static DEFINE_MUTEX(nvmet_tcp_queue_mutex);
 static struct workqueue_struct *nvmet_tcp_wq;
 static const struct nvmet_fabrics_ops nvmet_tcp_ops;
 static void nvmet_tcp_free_cmd(struct nvmet_tcp_cmd *c);
-static void nvmet_tcp_finish_cmd(struct nvmet_tcp_cmd *cmd);
 static void nvmet_tcp_free_cmd_buffers(struct nvmet_tcp_cmd *cmd);
 
 static inline u16 nvmet_tcp_cmd_tag(struct nvmet_tcp_queue *queue,
@@ -1177,7 +1176,8 @@ static int nvmet_tcp_try_recv_ddgst(struct nvmet_tcp_queue *queue)
 			queue->idx, cmd->req.cmd->common.command_id,
 			queue->pdu.cmd.hdr.type, le32_to_cpu(cmd->recv_ddgst),
 			le32_to_cpu(cmd->exp_ddgst));
-		nvmet_tcp_finish_cmd(cmd);
+		nvmet_req_uninit(&cmd->req);
+		nvmet_tcp_free_cmd_buffers(cmd);
 		nvmet_tcp_fatal_error(queue);
 		ret = -EPROTO;
 		goto out;
@@ -1406,12 +1406,6 @@ static void nvmet_tcp_restore_socket_callbacks(struct nvmet_tcp_queue *queue)
 	write_unlock_bh(&sock->sk->sk_callback_lock);
 }
 
-static void nvmet_tcp_finish_cmd(struct nvmet_tcp_cmd *cmd)
-{
-	nvmet_req_uninit(&cmd->req);
-	nvmet_tcp_free_cmd_buffers(cmd);
-}
-
 static void nvmet_tcp_uninit_data_in_cmds(struct nvmet_tcp_queue *queue)
 {
 	struct nvmet_tcp_cmd *cmd = queue->cmds;