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fib6: use FIB_LOOKUP_NOREF in fib6_rule_lookup()
author
Eric Dumazet
<eric.dumazet@gmail.com>
Wed, 13 Oct 2010 02:45:40 +0000
(
02:45
+0000)
committer
David S. Miller
<davem@davemloft.net>
Sat, 16 Oct 2010 18:13:21 +0000
(11:13 -0700)
Avoid two atomic ops on found rule in fib6_rule_lookup()
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv6/fib6_rules.c
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diff --git
a/net/ipv6/fib6_rules.c
b/net/ipv6/fib6_rules.c
index
b1108ed
..
d829874
100644
(file)
--- a/
net/ipv6/fib6_rules.c
+++ b/
net/ipv6/fib6_rules.c
@@
-34,11
+34,10
@@
struct dst_entry *fib6_rule_lookup(struct net *net, struct flowi *fl,
{
struct fib_lookup_arg arg = {
.lookup_ptr = lookup,
+ .flags = FIB_LOOKUP_NOREF,
};
fib_rules_lookup(net->ipv6.fib6_rules_ops, fl, flags, &arg);
- if (arg.rule)
- fib_rule_put(arg.rule);
if (arg.result)
return arg.result;