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authorStefan Richter <stefanr@s5r6.in-berlin.de>2006-09-17 18:17:19 +0200
committerStefan Richter <stefanr@s5r6.in-berlin.de>2006-09-17 18:19:31 +0200
commit9b4f2e9576658c4e52d95dc8d309f51b2e2db096 (patch)
tree7b1902b0f931783fccc6fee45c6f9c16b4fde5ce /drivers/ieee1394/hosts.c
parent3c6c65f5ed5a6d307bd607aecd06d658c0934d88 (diff)
parent803db244b9f71102e366fd689000c1417b9a7508 (diff)
ieee1394: merge from Linus
Conflicts: drivers/ieee1394/hosts.c Patch "lockdep: annotate ieee1394 skb-queue-head locking" was meddling with patch "ieee1394: fix kerneldoc of hpsb_alloc_host". Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Diffstat (limited to 'drivers/ieee1394/hosts.c')
-rw-r--r--drivers/ieee1394/hosts.c10
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)
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++)