tcp: fix tcp_grow_window() for large incoming frames

[pandora-kernel.git] / net / ipv4 / tcp_input.c

diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 4c46fa7..daedc07 100644 (file)
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -334,6 +334,7 @@ static void tcp_grow_window(struct sock *sk, const struct sk_buff *skb)
                        incr = __tcp_grow_window(sk, skb);
 
                if (incr) {
+                       incr = max_t(int, incr, 2 * skb->len);
                        tp->rcv_ssthresh = min(tp->rcv_ssthresh + incr,
                                               tp->window_clamp);
                        inet_csk(sk)->icsk_ack.quick |= 1;