[TCP]: Fix sysctl_tcp_low_latency

When enabled, this should disable UCOPY prequeue'ing altogether, but it does not due to a missing test. Signed-off-by: David S. Miller <davem@davemloft.net>
git-mirror · Jun 19, 2005 · 7df5512 · 7df5512
1 parent f7d7fc0
commit 7df5512
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
@@ -1326,7 +1326,7 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 
 		cleanup_rbuf(sk, copied);
 
-		if (tp->ucopy.task == user_recv) {
+		if (!sysctl_tcp_low_latency && tp->ucopy.task == user_recv) {
 			/* Install new reader */
 			if (!user_recv && !(flags & (MSG_TRUNC | MSG_PEEK))) {
 				user_recv = current;