From: roy.qing.li@gmail.com
To: netdev@vger.kernel.org
Cc: steffen.klassert@secunet.com
Subject: [PATCH][net-next] xfrm: slightly optimise xfrm_input
Date: Fri, 24 Apr 2015 16:49:31 +0800 [thread overview]
Message-ID: <1429865371-14722-1-git-send-email-roy.qing.li@gmail.com> (raw)
From: Li RongQing <roy.qing.li@gmail.com>
Check x->km.state with XFRM_STATE_ACQ only when state is not
XFRM_STAT_VALID, not everytime
Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
---
net/xfrm/xfrm_input.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index 459796a..1858a45f 100644
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c
@@ -239,13 +239,13 @@ int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type)
skb->sp->xvec[skb->sp->len++] = x;
spin_lock(&x->lock);
- if (unlikely(x->km.state == XFRM_STATE_ACQ)) {
- XFRM_INC_STATS(net, LINUX_MIB_XFRMACQUIREERROR);
- goto drop_unlock;
- }
if (unlikely(x->km.state != XFRM_STATE_VALID)) {
- XFRM_INC_STATS(net, LINUX_MIB_XFRMINSTATEINVALID);
+ if (x->km.state == XFRM_STATE_ACQ)
+ XFRM_INC_STATS(net, LINUX_MIB_XFRMACQUIREERROR);
+ else
+ XFRM_INC_STATS(net,
+ LINUX_MIB_XFRMINSTATEINVALID);
goto drop_unlock;
}
--
2.1.0
next reply other threads:[~2015-04-24 8:49 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-24 8:49 roy.qing.li [this message]
2015-04-27 10:39 ` [PATCH][net-next] xfrm: slightly optimise xfrm_input Steffen Klassert
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