io_uring/net: drop 'kmsg' parameter from io_req_msg_cleanup()

Now that iovec recycling is being done, the iovec is no longer being
freed in there. Hence the kmsg parameter is now useless.
Signed-off-by: Jens Axboe <axboe@kernel.dk>

io_uring/net.c

@@ -410,7 +410,6 @@ int io_sendmsg_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
 }
 
 static void io_req_msg_cleanup(struct io_kiocb *req,
-			       struct io_async_msghdr *kmsg,
 			       unsigned int issue_flags)
 {
 	req->flags &= ~REQ_F_NEED_CLEANUP;
@@ -458,7 +457,7 @@ int io_sendmsg(struct io_kiocb *req, unsigned int issue_flags)
 			ret = -EINTR;
 		req_set_fail(req);
 	}
-	io_req_msg_cleanup(req, kmsg, issue_flags);
+	io_req_msg_cleanup(req, issue_flags);
 	if (ret >= 0)
 		ret += sr->done_io;
 	else if (sr->done_io)
@@ -512,7 +511,7 @@ int io_send(struct io_kiocb *req, unsigned int issue_flags)
 		ret += sr->done_io;
 	else if (sr->done_io)
 		ret = sr->done_io;
-	io_req_msg_cleanup(req, kmsg, issue_flags);
+	io_req_msg_cleanup(req, issue_flags);
 	io_req_set_res(req, ret, 0);
 	return IOU_OK;
 }
@@ -720,7 +719,7 @@ static inline bool io_recv_finish(struct io_kiocb *req, int *ret,
 		*ret = IOU_STOP_MULTISHOT;
 	else
 		*ret = IOU_OK;
-	io_req_msg_cleanup(req, kmsg, issue_flags);
+	io_req_msg_cleanup(req, issue_flags);
 	return true;
 }
 
@@ -1206,7 +1205,7 @@ int io_send_zc(struct io_kiocb *req, unsigned int issue_flags)
 	 */
 	if (!(issue_flags & IO_URING_F_UNLOCKED)) {
 		io_notif_flush(zc->notif);
-		io_req_msg_cleanup(req, kmsg, 0);
+		io_req_msg_cleanup(req, 0);
 	}
 	io_req_set_res(req, ret, IORING_CQE_F_MORE);
 	return IOU_OK;
@@ -1268,7 +1267,7 @@ int io_sendmsg_zc(struct io_kiocb *req, unsigned int issue_flags)
 	 */
 	if (!(issue_flags & IO_URING_F_UNLOCKED)) {
 		io_notif_flush(sr->notif);
-		io_req_msg_cleanup(req, kmsg, 0);
+		io_req_msg_cleanup(req, 0);
 	}
 	io_req_set_res(req, ret, IORING_CQE_F_MORE);
 	return IOU_OK;