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authorDavid S. Miller <davem@davemloft.net>2011-01-18 12:50:19 -0800
committerDavid S. Miller <davem@davemloft.net>2011-01-18 12:50:19 -0800
commitf966a13f92913ce8cbd35bc7f066553c9f3d41b0 (patch)
tree5039770cf62f69317c974775190cc4f5919f8398 /net/mac80211/main.c
parent7e96fbf2320782fb8f0970928026105cd34b41bd (diff)
parent38d59392b29437af3a702209b6a5196ef01f79a8 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
Diffstat (limited to 'net/mac80211/main.c')
-rw-r--r--net/mac80211/main.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 485d36bc9a4..a46ff06d7cb 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -39,6 +39,8 @@ module_param(ieee80211_disable_40mhz_24ghz, bool, 0644);
MODULE_PARM_DESC(ieee80211_disable_40mhz_24ghz,
"Disable 40MHz support in the 2.4GHz band");
+static struct lock_class_key ieee80211_rx_skb_queue_class;
+
void ieee80211_configure_filter(struct ieee80211_local *local)
{
u64 mc;
@@ -569,7 +571,15 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
spin_lock_init(&local->filter_lock);
spin_lock_init(&local->queue_stop_reason_lock);
- skb_queue_head_init(&local->rx_skb_queue);
+ /*
+ * The rx_skb_queue is only accessed from tasklets,
+ * but other SKB queues are used from within IRQ
+ * context. Therefore, this one needs a different
+ * locking class so our direct, non-irq-safe use of
+ * the queue's lock doesn't throw lockdep warnings.
+ */
+ skb_queue_head_init_class(&local->rx_skb_queue,
+ &ieee80211_rx_skb_queue_class);
INIT_DELAYED_WORK(&local->scan_work, ieee80211_scan_work);