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| author |   Li RongQing <roy.qing.li@gmail.com> | 2015-04-24 16:49:31 +0800 |
|---|---|---|
| committer |   Steffen Klassert <steffen.klassert@secunet.com> | 2015-04-24 12:17:16 +0200 |
| commit | dc0565ce6e34be06730312e79b226b7408a543c8 (patch) | |
| tree | f6c42ccbc1a1ef431ff970b231ba5ea6fe22cd66 /net/xfrm/xfrm_input.c | |
| parent | xfrm: fix the return code when xfrm_*_register_afinfo failed (diff) | |
| download | linux-dev-dc0565ce6e34be06730312e79b226b7408a543c8.tar.xz linux-dev-dc0565ce6e34be06730312e79b226b7408a543c8.zip | |
xfrm: slightly optimise xfrm_input
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>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Diffstat (limited to 'net/xfrm/xfrm_input.c')
| -rw-r--r-- | net/xfrm/xfrm_input.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c index 459796a78ab0..1858a45f008b 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; } |