diff options
| author | Gao Feng <fgao@ikuai8.com> | 2017-04-06 23:05:49 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-04-08 08:30:09 -0700 |
| commit | 7cc2b043bc3f1e8139e807528c8041c15924a411 (patch) | |
| tree | 13d35a2222f52437bd26b51281933614b31526eb /net | |
| parent | 3aecfbb19ca746a62575de90957c14e03b9c5d23 (diff) | |
| download | linux-0-day-7cc2b043bc3f1e8139e807528c8041c15924a411.tar.gz linux-0-day-7cc2b043bc3f1e8139e807528c8041c15924a411.tar.xz | |
net: tcp: Increase TCP_MIB_OUTRSTS even though fail to alloc skb
Because TCP_MIB_OUTRSTS is an important count, so always increase it
whatever send it successfully or not.
Now move the increment of TCP_MIB_OUTRSTS to the top of
tcp_send_active_reset to make sure it is increased always even though
fail to alloc skb.
Signed-off-by: Gao Feng <fgao@ikuai8.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv4/tcp_output.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 22548b5f05cbe..c3c082ed38796 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -2999,6 +2999,8 @@ void tcp_send_active_reset(struct sock *sk, gfp_t priority) { struct sk_buff *skb; + TCP_INC_STATS(sock_net(sk), TCP_MIB_OUTRSTS); + /* NOTE: No TCP options attached and we never retransmit this. */ skb = alloc_skb(MAX_TCP_HEADER, priority); if (!skb) { @@ -3014,8 +3016,6 @@ void tcp_send_active_reset(struct sock *sk, gfp_t priority) /* Send it off. */ if (tcp_transmit_skb(sk, skb, 0, priority)) NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPABORTFAILED); - - TCP_INC_STATS(sock_net(sk), TCP_MIB_OUTRSTS); } /* Send a crossed SYN-ACK during socket establishment. |