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 3ed56be8706c..59e6f49545bf 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) | |||
90 | return 0; | 90 | return 0; |
91 | } | 91 | } |
92 | 92 | ||
93 | /* | ||
94 | * The pending_packet_queue is special in that it's processed | ||
95 | * from hardirq context too (such as hpsb_bus_reset()). Hence | ||
96 | * split the lock class from the usual networking skb-head | ||
97 | * lock class by using a separate key for it: | ||
98 | */ | ||
99 | static struct lock_class_key pending_packet_queue_key; | ||
100 | |||
93 | static DEFINE_MUTEX(host_num_alloc); | 101 | static DEFINE_MUTEX(host_num_alloc); |
94 | 102 | ||
95 | /** | 103 | /** |
@@ -128,6 +136,8 @@ struct hpsb_host *hpsb_alloc_host(struct hpsb_host_driver *drv, size_t extra, | |||
128 | h->driver = drv; | 136 | h->driver = drv; |
129 | 137 | ||
130 | skb_queue_head_init(&h->pending_packet_queue); | 138 | skb_queue_head_init(&h->pending_packet_queue); |
139 | lockdep_set_class(&h->pending_packet_queue.lock, | ||
140 | &pending_packet_queue_key); | ||
131 | INIT_LIST_HEAD(&h->addr_space); | 141 | INIT_LIST_HEAD(&h->addr_space); |
132 | 142 | ||
133 | for (i = 2; i < 16; i++) | 143 | for (i = 2; i < 16; i++) |