diff options
| author | Martin KaFai Lau <kafai@fb.com> | 2014-10-20 13:42:44 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-10-24 00:14:39 -0400 |
| commit | 94c77bb41d871deb848e5011aacb5d7c24358ddd (patch) | |
| tree | 41f887167755643df1fc78d2e74f308aac020394 | |
| parent | a3c00e46efdb4009369971c97203ea67f7630fe4 (diff) | |
| download | blackbird-op-linux-94c77bb41d871deb848e5011aacb5d7c24358ddd.tar.gz blackbird-op-linux-94c77bb41d871deb848e5011aacb5d7c24358ddd.zip | |
ipv6: Avoid redoing fib6_lookup() for RTF_CACHE hit case
When there is a RTF_CACHE hit, no need to redo fib6_lookup()
with reachable=0.
Cc: David Miller <davem@davemloft.net>
Cc: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/ipv6/route.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c index f1ab2f4f4529..98c523f4a3c3 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -944,12 +944,12 @@ redo_rt6_select: goto out; } - if (rt->rt6i_flags & RTF_CACHE) - goto out; - dst_hold(&rt->dst); read_unlock_bh(&table->tb6_lock); + if (rt->rt6i_flags & RTF_CACHE) + goto out2; + if (!(rt->rt6i_flags & (RTF_NONEXTHOP | RTF_GATEWAY))) nrt = rt6_alloc_cow(rt, &fl6->daddr, &fl6->saddr); else if (!(rt->dst.flags & DST_HOST)) |
