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[ROSE] lockdep: fix false positive 

ROSE network devices are virtual network devices encapsulating ROSE
frames into AX.25 which will be sent through an AX.25 device, so form a
special "super class" of normal net devices; split their locks off into
a separate class since they always nest.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ralf Baechle 2006-07-12 13:25:56 -07:00 committed by David S. Miller
parent c19c4b9c9a
commit b1d21ca83c
1 changed files with 9 additions and 0 deletions
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9
net/rose/af_rose.c
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@ -66,6 +66,14 @@ static struct proto_ops rose_proto_ops;
ax25_address rose_callsign;
/*
* ROSE network devices are virtual network devices encapsulating ROSE
* frames into AX.25 which will be sent through an AX.25 device, so form a
* special "super class" of normal net devices; split their locks off into a
* separate class since they always nest.
*/
static struct lock_class_key rose_netdev_xmit_lock_key;
/*
* Convert a ROSE address into text.
*/
@ -1515,6 +1523,7 @@ static int __init rose_proto_init(void)
free_netdev(dev);
goto fail;
}
lockdep_set_class(&dev->_xmit_lock, &rose_netdev_xmit_lock_key);
dev_rose[i] = dev;
}