diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index b945c2b046c5ead5503505f250c3c67761b284ae..5c7ed147449c1b7ba029b12e033ad779a631460a 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1084,6 +1084,7 @@ int tcp_sendmsg(struct sock *sk, struct msghdr *msg, size_t size)
 	struct sockcm_cookie sockc;
 	int flags, err, copied = 0;
 	int mss_now = 0, size_goal, copied_syn = 0;
+	bool process_backlog = false;
 	bool sg;
 	long timeo;
 
@@ -1167,9 +1168,10 @@ int tcp_sendmsg(struct sock *sk, struct msghdr *msg, size_t size)
 			if (!sk_stream_memory_free(sk))
 				goto wait_for_sndbuf;
 
-			if (sk_flush_backlog(sk))
+			if (process_backlog && sk_flush_backlog(sk)) {
+				process_backlog = false;
 				goto restart;
-
+			}
 			skb = sk_stream_alloc_skb(sk,
 						  select_size(sk, sg),
 						  sk->sk_allocation,
@@ -1177,6 +1179,7 @@ int tcp_sendmsg(struct sock *sk, struct msghdr *msg, size_t size)
 			if (!skb)
 				goto wait_for_memory;
 
+			process_backlog = true;
 			/*
 			 * Check whether we can use HW checksum.
 			 */