X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=net%2Fipv4%2Ftcp_output.c;h=557fe16cbfb0c8498e179ddebecc2e602abf5d2e;hb=64ff3b938ec6782e6585a83d5459b98b0c3f6eb8;hp=dda42f0bd7a3b986d23be16b6f44c87333af0844;hpb=8510b937ae1e23583abdeb828cad5c518295c61d;p=deliverable%2Flinux.git

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index dda42f0bd7a3..557fe16cbfb0 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -663,10 +663,14 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it,
 	th->urg_ptr		= 0;
 
 	/* The urg_mode check is necessary during a below snd_una win probe */
-	if (unlikely(tcp_urg_mode(tp) &&
-		     between(tp->snd_up, tcb->seq + 1, tcb->seq + 0xFFFF))) {
-		th->urg_ptr		= htons(tp->snd_up - tcb->seq);
-		th->urg			= 1;
+	if (unlikely(tcp_urg_mode(tp))) {
+		if (between(tp->snd_up, tcb->seq + 1, tcb->seq + 0xFFFF)) {
+			th->urg_ptr = htons(tp->snd_up - tcb->seq);
+			th->urg = 1;
+		} else if (after(tcb->seq + 0xFFFF, tp->snd_nxt)) {
+			th->urg_ptr = 0xFFFF;
+			th->urg = 1;
+		}
 	}
 
 	tcp_options_write((__be32 *)(th + 1), tp, &opts, &md5_hash_location);