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authorDavid S. Miller <davem@davemloft.net>2019-02-20 11:34:07 +0300
committerDavid S. Miller <davem@davemloft.net>2019-02-20 11:34:07 +0300
commit375ca548f7e3ac82acdd0959eddd1fa0e17c35cc (patch)
tree5360dc427e4eff7123613419ee522b7fda831de0 /net/ipv4/tcp_ipv4.c
parent58066ac9d7f5dcde4ef08c03b7e127f0522d9ea0 (diff)
parent40e196a906d969fd10d885c692d2674b3d657006 (diff)
downloadlinux-375ca548f7e3ac82acdd0959eddd1fa0e17c35cc.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Two easily resolvable overlapping change conflicts, one in TCP and one in the eBPF verifier. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
-rw-r--r--net/ipv4/tcp_ipv4.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 662b034f1795..4010ae3644f3 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -536,12 +536,15 @@ int tcp_v4_err(struct sk_buff *icmp_skb, u32 info)
if (sock_owned_by_user(sk))
break;
+ skb = tcp_rtx_queue_head(sk);
+ if (WARN_ON_ONCE(!skb))
+ break;
+
icsk->icsk_backoff--;
icsk->icsk_rto = tp->srtt_us ? __tcp_set_rto(tp) :
TCP_TIMEOUT_INIT;
icsk->icsk_rto = inet_csk_rto_backoff(icsk, TCP_RTO_MAX);
- skb = tcp_rtx_queue_head(sk);
tcp_mstamp_refresh(tp);
delta_us = (u32)(tp->tcp_mstamp - tcp_skb_timestamp_us(skb));