diff options
Diffstat (limited to 'drivers/ieee1394/hosts.c')
| -rw-r--r-- | drivers/ieee1394/hosts.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/ieee1394/hosts.c b/drivers/ieee1394/hosts.c index 2d47b11777a..4feead4a35c 100644 --- a/drivers/ieee1394/hosts.c +++ b/drivers/ieee1394/hosts.c @@ -10,7 +10,6 @@ * directory of the kernel sources for details. */ -#include <linux/config.h> #include <linux/module.h> #include <linux/types.h> #include <linux/list.h> @@ -103,11 +102,19 @@ static int alloc_hostnum_cb(struct hpsb_host *host, void *__data) * driver specific parts, enable the controller and make it available * to the general subsystem using hpsb_add_host(). * - * Return Value: a pointer to the &hpsb_host if succesful, %NULL if + * Return Value: a pointer to the &hpsb_host if successful, %NULL if * no memory was available. */ static DEFINE_MUTEX(host_num_alloc); +/* + * 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; + struct hpsb_host *hpsb_alloc_host(struct hpsb_host_driver *drv, size_t extra, struct device *dev) { @@ -129,6 +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++) |