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authorJakub Kicinski <kuba@kernel.org>2020-10-09 01:44:50 +0300
committerJakub Kicinski <kuba@kernel.org>2020-10-09 01:44:50 +0300
commit9d49aea13f1e35869158abe7e314e16dc8f50ff1 (patch)
treec878d774db35fdb9834621e2f354973dc09f2702 /net/ipv4/tcp_ipv4.c
parent9faebeb2d80065926dfbc09cb73b1bb7779a89cd (diff)
parent3fdd47c3b40ac48e6e6e5904cf24d12e6e073a96 (diff)
downloadlinux-9d49aea13f1e35869158abe7e314e16dc8f50ff1.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Small conflict around locking in rxrpc_process_event() - channel_lock moved to bundle in next, while state lock needs _bh() from net. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
-rw-r--r--net/ipv4/tcp_ipv4.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index ace48b2790ff..7352c097ae48 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1798,12 +1798,12 @@ bool tcp_add_backlog(struct sock *sk, struct sk_buff *skb)
__skb_pull(skb, hdrlen);
if (skb_try_coalesce(tail, skb, &fragstolen, &delta)) {
- thtail->window = th->window;
-
TCP_SKB_CB(tail)->end_seq = TCP_SKB_CB(skb)->end_seq;
- if (after(TCP_SKB_CB(skb)->ack_seq, TCP_SKB_CB(tail)->ack_seq))
+ if (likely(!before(TCP_SKB_CB(skb)->ack_seq, TCP_SKB_CB(tail)->ack_seq))) {
TCP_SKB_CB(tail)->ack_seq = TCP_SKB_CB(skb)->ack_seq;
+ thtail->window = th->window;
+ }
/* We have to update both TCP_SKB_CB(tail)->tcp_flags and
* thtail->fin, so that the fast path in tcp_rcv_established()