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Commit b1d21ca8 authored by Ralf Baechle's avatar Ralf Baechle Committed by David S. Miller
Browse files

[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: default avatarRalf Baechle <ralf@linux-mips.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c19c4b9c

net/rose/af_rose.c

+9 −0
Original line number Diff line number Diff line
@@ -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;

	}