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authorRongQing.Li <roy.qing.li@gmail.com>2012-03-16 02:54:14 +0400
committerDavid S. Miller <davem@davemloft.net>2012-03-17 08:56:42 +0400
commitc577923756b7fe9071f28a76b66b83b306d1d001 (patch)
tree3cdb24e829bf58f5a319c9e9dca491ce295276e1 /net/ipv6/mcast.c
parentb8fbaef586176f6abe0eb7887ddae66e99898b79 (diff)
downloadlinux-c577923756b7fe9071f28a76b66b83b306d1d001.tar.xz
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 96b52e61be1 (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>
Diffstat (limited to 'net/ipv6/mcast.c')
-rw-r--r--net/ipv6/mcast.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index b853f06cc148..16c33e308121 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -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