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ipv6/mcast: join error paths using goto 

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ilpo Järvinen 2008-12-14 23:15:21 -08:00 committed by David S. Miller
parent 5ce1bbb97b
commit 448eb71f40
1 changed files with 14 additions and 11 deletions
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25
net/ipv6/mcast.c
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@ -303,20 +303,23 @@ static struct inet6_dev *ip6_mc_find_dev(struct net *net,
dev = dev_get_by_index(net, ifindex);
if (!dev)
return NULL;
goto nodev;
idev = in6_dev_get(dev);
if (!idev) {
dev_put(dev);
return NULL;
}
if (!idev)
goto release;
read_lock_bh(&idev->lock);
if (idev->dead) {
read_unlock_bh(&idev->lock);
in6_dev_put(idev);
dev_put(dev);
return NULL;
}
if (idev->dead)
goto unlock_release;
return idev;
unlock_release:
read_unlock_bh(&idev->lock);
in6_dev_put(idev);
release:
dev_put(dev);
nodev:
return NULL;
}
void ipv6_sock_mc_close(struct sock *sk)