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 <[EMAIL PROTECTED]>
---
net/rose/af_rose.c | 9 +++++++++
1 file changed, 9 insertions(+)
Index: linux-net/net/rose/af_rose.c
===================================================================
--- linux-net.orig/net/rose/af_rose.c 2006-07-10 01:35:09.000000000 +0100
+++ linux-net/net/rose/af_rose.c 2006-07-11 22:01:37.000000000 +0100
@@ -67,6 +67,14 @@ 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.
*/
const char *rose2asc(const rose_address *addr)
@@ -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;
}
-
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