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Message-ID: <1412374332-26657-3-git-send-email-kafai@fb.com>
Date: Fri, 3 Oct 2014 15:12:12 -0700
From: Martin KaFai Lau <kafai@...com>
To: <netdev@...r.kernel.org>
CC: Hannes Frederic Sowa <hannes@...essinduktion.org>
Subject: [PATCH RFC net 2/2] ipv6: Avoid restarting fib6_lookup() for RTF_CACHE hit case
When there is a RTF_CACHE hit, no need to redo fib6_lookup()
with reachable=0.
---
net/ipv6/route.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index d53dc4f..e40b5dc 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -937,7 +937,7 @@ restart:
rt = rt6_multipath_select(rt, fl6, oif, strict | reachable);
BACKTRACK(net, &fl6->saddr);
if (rt->rt6i_flags & RTF_CACHE)
- goto out;
+ goto out1;
dst_hold(&rt->dst);
read_unlock_bh(&table->tb6_lock);
@@ -974,6 +974,7 @@ out:
reachable = 0;
goto restart_2;
}
+out1:
dst_hold(&rt->dst);
read_unlock_bh(&table->tb6_lock);
out2:
--
1.8.1
--
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