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-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 485d36bc9a46..a46ff06d7cb8 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -39,6 +39,8 @@ module_param(ieee80211_disable_40mhz_24ghz, bool, 0644);
39MODULE_PARM_DESC(ieee80211_disable_40mhz_24ghz, 39MODULE_PARM_DESC(ieee80211_disable_40mhz_24ghz,
40 "Disable 40MHz support in the 2.4GHz band"); 40 "Disable 40MHz support in the 2.4GHz band");
41 41
42static struct lock_class_key ieee80211_rx_skb_queue_class;
43
42void ieee80211_configure_filter(struct ieee80211_local *local) 44void ieee80211_configure_filter(struct ieee80211_local *local)
43{ 45{
44 u64 mc; 46 u64 mc;
@@ -569,7 +571,15 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
569 spin_lock_init(&local->filter_lock); 571 spin_lock_init(&local->filter_lock);
570 spin_lock_init(&local->queue_stop_reason_lock); 572 spin_lock_init(&local->queue_stop_reason_lock);
571 573
572 skb_queue_head_init(&local->rx_skb_queue); 574 /*
575 * The rx_skb_queue is only accessed from tasklets,
576 * but other SKB queues are used from within IRQ
577 * context. Therefore, this one needs a different
578 * locking class so our direct, non-irq-safe use of
579 * the queue's lock doesn't throw lockdep warnings.
580 */
581 skb_queue_head_init_class(&local->rx_skb_queue,
582 &ieee80211_rx_skb_queue_class);
573 583
574 INIT_DELAYED_WORK(&local->scan_work, ieee80211_scan_work); 584 INIT_DELAYED_WORK(&local->scan_work, ieee80211_scan_work);
575 585