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authorPaul Mundt <lethal@linux-sh.org>2011-01-26 09:23:27 (GMT)
committerPaul Mundt <lethal@linux-sh.org>2011-01-26 09:23:27 (GMT)
commit6b620478e58677bb3f4ec884abb29ef9d68c7821 (patch)
tree7a438fc5412587f9bd9b907d4d423ea52a498006 /net/mac80211/main.c
parent906b17dc089f7fa87e37a9cfe6ee185efc90e0da (diff)
parent6fb1b304255efc5c4c93874ac8c066272e257e28 (diff)
downloadlinux-fsl-qoriq-6b620478e58677bb3f4ec884abb29ef9d68c7821.tar.xz
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into common/serial-rework
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 485d36b..a46ff06 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);