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Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/tcp_input.c28
1 files changed, 11 insertions, 17 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index ba34a23c1bfb..2bdb0da237e6 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -4481,26 +4481,20 @@ drop:
__skb_queue_after(&tp->out_of_order_queue, skb1, skb);
/* And clean segments covered by new one as whole. */
- if (skb1 && !skb_queue_is_last(&tp->out_of_order_queue, skb1)) {
- struct sk_buff *n;
+ while (!skb_queue_is_last(&tp->out_of_order_queue, skb)) {
+ skb1 = skb_queue_next(&tp->out_of_order_queue, skb);
- skb1 = skb_queue_next(&tp->out_of_order_queue, skb1);
- skb_queue_walk_from_safe(&tp->out_of_order_queue,
- skb1, n) {
- if (!after(end_seq, TCP_SKB_CB(skb1)->seq))
- break;
- if (before(end_seq,
- TCP_SKB_CB(skb1)->end_seq)) {
- tcp_dsack_extend(sk,
- TCP_SKB_CB(skb1)->seq,
- end_seq);
- break;
- }
- __skb_unlink(skb1, &tp->out_of_order_queue);
+ if (!after(end_seq, TCP_SKB_CB(skb1)->seq))
+ break;
+ if (before(end_seq, TCP_SKB_CB(skb1)->end_seq)) {
tcp_dsack_extend(sk, TCP_SKB_CB(skb1)->seq,
- TCP_SKB_CB(skb1)->end_seq);
- __kfree_skb(skb1);
+ end_seq);
+ break;
}
+ __skb_unlink(skb1, &tp->out_of_order_queue);
+ tcp_dsack_extend(sk, TCP_SKB_CB(skb1)->seq,
+ TCP_SKB_CB(skb1)->end_seq);
+ __kfree_skb(skb1);
}
add_sack: