summaryrefslogtreecommitdiff
path: root/net/ipv4/tcp.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/ipv4/tcp.c')
-rw-r--r--net/ipv4/tcp.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 90b2e0649bfb..f1813bc71088 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1183,7 +1183,9 @@ void tcp_cleanup_rbuf(struct sock *sk, int copied)
#if TCP_DEBUG
struct sk_buff *skb = skb_peek(&sk->sk_receive_queue);
- WARN_ON(skb && !before(tp->copied_seq, TCP_SKB_CB(skb)->end_seq));
+ WARN(skb && !before(tp->copied_seq, TCP_SKB_CB(skb)->end_seq),
+ KERN_INFO "cleanup rbuf bug: copied %X seq %X rcvnxt %X\n",
+ tp->copied_seq, TCP_SKB_CB(skb)->end_seq, tp->rcv_nxt);
#endif
if (inet_csk_ack_scheduled(sk)) {
@@ -1430,11 +1432,13 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
/* Now that we have two receive queues this
* shouldn't happen.
*/
- if (before(*seq, TCP_SKB_CB(skb)->seq)) {
- printk(KERN_INFO "recvmsg bug: copied %X "
- "seq %X\n", *seq, TCP_SKB_CB(skb)->seq);
+ if (WARN(before(*seq, TCP_SKB_CB(skb)->seq),
+ KERN_INFO "recvmsg bug: copied %X "
+ "seq %X rcvnxt %X fl %X\n", *seq,
+ TCP_SKB_CB(skb)->seq, tp->rcv_nxt,
+ flags))
break;
- }
+
offset = *seq - TCP_SKB_CB(skb)->seq;
if (tcp_hdr(skb)->syn)
offset--;
@@ -1442,9 +1446,10 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
goto found_ok_skb;
if (tcp_hdr(skb)->fin)
goto found_fin_ok;
- if (WARN_ON(!(flags & MSG_PEEK)))
- printk(KERN_INFO "recvmsg bug 2: copied %X "
- "seq %X\n", *seq, TCP_SKB_CB(skb)->seq);
+ WARN(!(flags & MSG_PEEK), KERN_INFO "recvmsg bug 2: "
+ "copied %X seq %X rcvnxt %X fl %X\n",
+ *seq, TCP_SKB_CB(skb)->seq,
+ tp->rcv_nxt, flags);
}
/* Well, if we have backlog, try to process it now yet. */