[2.6.20.17 review 47/58] IPV6: /proc/net/anycast6 unbalanced inet6_dev refcnt

[Willy Tarreau]

Reading /proc/net/anycast6 when there is no anycast address
on an interface results in an ever-increasing inet6_dev reference
count, as well as a reference to the netdevice you can't get rid of.

Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Cc: Marcus Meissner <meissner@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
Signed-off-by: Willy Tarreau <w@xxxxxx>
---
 net/ipv6/anycast.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/net/ipv6/anycast.c b/net/ipv6/anycast.c
index fe0c895..7cf5248 100644
--- a/net/ipv6/anycast.c
+++ b/net/ipv6/anycast.c
@@ -67,6 +67,7 @@ ip6_onlink(struct in6_addr *addr, struct net_device *dev)
 				break;
 		}
 		read_unlock_bh(&idev->lock);
+		in6_dev_put(idev);
 	}
 	rcu_read_unlock();
 	return onlink;
-- 
1.5.2.5

-- 
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