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Commit 7cc2b043 authored by Gao Feng's avatar Gao Feng Committed by David S. Miller
Browse files

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: default avatarGao Feng <fgao@ikuai8.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 3aecfbb1

net/ipv4/tcp_output.c

+2 −2
Original line number Diff line number Diff line
@@ -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.