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authorDavid S. Miller <davem@davemloft.net>2019-02-20 00:34:07 -0800
committerDavid S. Miller <davem@davemloft.net>2019-02-20 00:34:07 -0800
commit375ca548f7e3ac82acdd0959eddd1fa0e17c35cc (patch)
tree5360dc427e4eff7123613419ee522b7fda831de0 /net/ipv4
parent58066ac9d7f5dcde4ef08c03b7e127f0522d9ea0 (diff)
parent40e196a906d969fd10d885c692d2674b3d657006 (diff)
downloadlinux-375ca548f7e3ac82acdd0959eddd1fa0e17c35cc.tar.bz2
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')
-rw-r--r--net/ipv4/tcp.c2
-rw-r--r--net/ipv4/tcp_ipv4.c5
2 files changed, 6 insertions, 1 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index cab6b2f2f61d..769508c75dce 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2546,6 +2546,7 @@ void tcp_write_queue_purge(struct sock *sk)
sk_mem_reclaim(sk);
tcp_clear_all_retrans_hints(tcp_sk(sk));
tcp_sk(sk)->packets_out = 0;
+ inet_csk(sk)->icsk_backoff = 0;
}
int tcp_disconnect(struct sock *sk, int flags)
@@ -2596,6 +2597,7 @@ int tcp_disconnect(struct sock *sk, int flags)
if (tp->write_seq == 0)
tp->write_seq = 1;
icsk->icsk_backoff = 0;
+ tp->snd_cwnd = 2;
icsk->icsk_probes_out = 0;
icsk->icsk_rto = TCP_TIMEOUT_INIT;
tp->snd_ssthresh = TCP_INFINITE_SSTHRESH;
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));