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decnet: netdevice refcount leak

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While working on device refcount stuff, I found a device refcount leak
through DECNET.
This nasty bug can be used to hold refcounts on any !DECNET netdevice.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2009-11-06 00:50:39 -08:00 committed by David S. Miller
parent f9dd09c7f7
commit 887e671f32
1 changed files with 3 additions and 4 deletions
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7
net/decnet/sysctl_net_decnet.c
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@ -263,11 +263,10 @@ static int dn_def_dev_strategy(ctl_table *table,
return -ENODEV; return -ENODEV;
rv = -ENODEV; rv = -ENODEV;
if (dev->dn_ptr != NULL) { if (dev->dn_ptr != NULL)
rv = dn_dev_set_default(dev, 1); rv = dn_dev_set_default(dev, 1);
if (rv) if (rv)
dev_put(dev); dev_put(dev);
}
} }
return rv; return rv;