From: Yejune Deng <yejune.deng@gmail.com>
To: davem@davemloft.net, yoshfuji@linux-ipv6.org, dsahern@kernel.org,
kuba@kernel.org
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
yejune@gmail.com, Yejune Deng <yejune.deng@gmail.com>
Subject: [PATCH 1/2] net: ipv4: route.c: add likely() statements
Date: Wed, 24 Mar 2021 11:09:22 +0800 [thread overview]
Message-ID: <20210324030923.17203-1-yejune.deng@gmail.com> (raw)
Add likely() statements in ipv4_confirm_neigh() for 'rt->rt_gw_family
== AF_INET'.
Signed-off-by: Yejune Deng <yejune.deng@gmail.com>
---
net/ipv4/route.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index fa68c2612252..5762d9bc671c 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -440,7 +440,7 @@ static void ipv4_confirm_neigh(const struct dst_entry *dst, const void *daddr)
struct net_device *dev = dst->dev;
const __be32 *pkey = daddr;
- if (rt->rt_gw_family == AF_INET) {
+ if (likely(rt->rt_gw_family == AF_INET)) {
pkey = (const __be32 *)&rt->rt_gw4;
} else if (rt->rt_gw_family == AF_INET6) {
return __ipv6_confirm_neigh_stub(dev, &rt->rt_gw6);
--
2.29.0
next reply other threads:[~2021-03-24 3:10 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-24 3:09 Yejune Deng [this message]
2021-03-24 10:34 ` [PATCH 1/2] net: ipv4: route.c: add likely() statements Leon Romanovsky
2021-03-24 11:01 ` Yejune Deng
2021-03-24 12:19 ` Leon Romanovsky
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