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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-07-21 21:07:25 +0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-07-21 21:07:25 +0400
commit90125edbc49ec58b9101c4271bb1d87b04a4620f (patch)
tree068353d4234435b17ade687b50a5d5015bdf1ad9 /net/ipv4/tcp_output.c
parent0a8adf584759cbcbce5d88d419db01a8d0373abf (diff)
parent9a3c4145af32125c5ee39c0272662b47307a8323 (diff)
downloadlinux-90125edbc49ec58b9101c4271bb1d87b04a4620f.tar.xz
Merge 3.16-rc6 into driver-core-next
We want the platform changes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/ipv4/tcp_output.c')
-rw-r--r--net/ipv4/tcp_output.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index d92bce0ea24e..179b51e6bda3 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -2525,8 +2525,6 @@ int tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb)
if (!tp->retrans_stamp)
tp->retrans_stamp = TCP_SKB_CB(skb)->when;
- tp->undo_retrans += tcp_skb_pcount(skb);
-
/* snd_nxt is stored to detect loss of retransmitted segment,
* see tcp_input.c tcp_sacktag_write_queue().
*/
@@ -2534,6 +2532,10 @@ int tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb)
} else if (err != -EBUSY) {
NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPRETRANSFAIL);
}
+
+ if (tp->undo_retrans < 0)
+ tp->undo_retrans = 0;
+ tp->undo_retrans += tcp_skb_pcount(skb);
return err;
}