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ipv6: Don't dev_hold(dev) in ip6_mc_find_dev_rcu. 

ip6_mc_find_dev_rcu() is called with rcu_read_lock(), so don't
need to dev_hold().
With dev_hold(), not corresponding dev_put(), will lead to leak.

[ bug introduced in 96b52e61be (ipv6: mcast: RCU conversions) ]

Signed-off-by: RongQing.Li <roy.qing.li@gmail.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
RongQing.Li 2012-03-15 22:54:14 +00:00 committed by David S. Miller
parent b8fbaef586
commit c577923756
1 changed files with 0 additions and 1 deletions
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net/ipv6/mcast.c
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@ -257,7 +257,6 @@ static struct inet6_dev *ip6_mc_find_dev_rcu(struct net *net,
if (rt) {
dev = rt->dst.dev;
dev_hold(dev);
dst_release(&rt->dst);
}
} else