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Diffstat (limited to 'net/ipv4/tcp_input.c')
-rw-r--r--net/ipv4/tcp_input.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 788851ca8c5d..c096a4218b8f 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2511,6 +2511,9 @@ static void tcp_mark_head_lost(struct sock *sk, int packets)
2511 int err; 2511 int err;
2512 unsigned int mss; 2512 unsigned int mss;
2513 2513
2514 if (packets == 0)
2515 return;
2516
2514 WARN_ON(packets > tp->packets_out); 2517 WARN_ON(packets > tp->packets_out);
2515 if (tp->lost_skb_hint) { 2518 if (tp->lost_skb_hint) {
2516 skb = tp->lost_skb_hint; 2519 skb = tp->lost_skb_hint;