diff options
Diffstat (limited to 'drivers/ieee1394/hosts.c')
| -rw-r--r-- | drivers/ieee1394/hosts.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/ieee1394/hosts.c b/drivers/ieee1394/hosts.c index 3ed56be8706..59e6f49545b 100644 --- a/drivers/ieee1394/hosts.c +++ b/drivers/ieee1394/hosts.c @@ -90,6 +90,14 @@ static int alloc_hostnum_cb(struct hpsb_host *host, void *__data) return 0; } +/* + * The pending_packet_queue is special in that it's processed + * from hardirq context too (such as hpsb_bus_reset()). Hence + * split the lock class from the usual networking skb-head + * lock class by using a separate key for it: + */ +static struct lock_class_key pending_packet_queue_key; + static DEFINE_MUTEX(host_num_alloc); /** @@ -128,6 +136,8 @@ struct hpsb_host *hpsb_alloc_host(struct hpsb_host_driver *drv, size_t extra, h->driver = drv; skb_queue_head_init(&h->pending_packet_queue); + lockdep_set_class(&h->pending_packet_queue.lock, + &pending_packet_queue_key); INIT_LIST_HEAD(&h->addr_space); for (i = 2; i < 16; i++) |