Commit 94c77bb4 authored by Martin KaFai Lau's avatar Martin KaFai Lau Committed by David S. Miller
Browse files

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: default avatarMartin KaFai Lau <kafai@fb.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a3c00e46
......@@ -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))
......
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