diff options
| -rw-r--r-- | net/rose/af_rose.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c index c115295ab431..08a542855654 100644 --- a/net/rose/af_rose.c +++ b/net/rose/af_rose.c @@ -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; } |