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Diffstat (limited to 'net/ipv4/tcp_input.c')
-rw-r--r--net/ipv4/tcp_input.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 8de2f1071c2b..53a8a5399f1e 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2802,7 +2802,7 @@ static void tcp_sack_remove(struct tcp_sock *tp)
2802 int this_sack; 2802 int this_sack;
2803 2803
2804 /* Empty ofo queue, hence, all the SACKs are eaten. Clear. */ 2804 /* Empty ofo queue, hence, all the SACKs are eaten. Clear. */
2805 if (skb_queue_len(&tp->out_of_order_queue) == 0) { 2805 if (skb_queue_empty(&tp->out_of_order_queue)) {
2806 tp->rx_opt.num_sacks = 0; 2806 tp->rx_opt.num_sacks = 0;
2807 tp->rx_opt.eff_sacks = tp->rx_opt.dsack; 2807 tp->rx_opt.eff_sacks = tp->rx_opt.dsack;
2808 return; 2808 return;
@@ -2935,13 +2935,13 @@ queue_and_out:
2935 if(th->fin) 2935 if(th->fin)
2936 tcp_fin(skb, sk, th); 2936 tcp_fin(skb, sk, th);
2937 2937
2938 if (skb_queue_len(&tp->out_of_order_queue)) { 2938 if (!skb_queue_empty(&tp->out_of_order_queue)) {
2939 tcp_ofo_queue(sk); 2939 tcp_ofo_queue(sk);
2940 2940
2941 /* RFC2581. 4.2. SHOULD send immediate ACK, when 2941 /* RFC2581. 4.2. SHOULD send immediate ACK, when
2942 * gap in queue is filled. 2942 * gap in queue is filled.
2943 */ 2943 */
2944 if (!skb_queue_len(&tp->out_of_order_queue)) 2944 if (skb_queue_empty(&tp->out_of_order_queue))
2945 tp->ack.pingpong = 0; 2945 tp->ack.pingpong = 0;
2946 } 2946 }
2947 2947
@@ -3249,9 +3249,8 @@ static int tcp_prune_queue(struct sock *sk)
3249 * This must not ever occur. */ 3249 * This must not ever occur. */
3250 3250
3251 /* First, purge the out_of_order queue. */ 3251 /* First, purge the out_of_order queue. */
3252 if (skb_queue_len(&tp->out_of_order_queue)) { 3252 if (!skb_queue_empty(&tp->out_of_order_queue)) {
3253 NET_ADD_STATS_BH(LINUX_MIB_OFOPRUNED, 3253 NET_INC_STATS_BH(LINUX_MIB_OFOPRUNED);
3254 skb_queue_len(&tp->out_of_order_queue));
3255 __skb_queue_purge(&tp->out_of_order_queue); 3254 __skb_queue_purge(&tp->out_of_order_queue);
3256 3255
3257 /* Reset SACK state. A conforming SACK implementation will 3256 /* Reset SACK state. A conforming SACK implementation will