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authorJohn W. Linville2011-01-28 22:23:14 +0100
committerJohn W. Linville2011-01-28 22:23:14 +0100
commit3e11210d46a4f252f41db6e442b46026aeddbb59 (patch)
treeb258375de649a5e04e8d567c850b47c41f8ceb11 /net/mac80211
parentath9k: fix compile error in non-debug ath_debug_stat_tx() stub (diff)
parentath9k: Fix power save usage count imbalance on deinit (diff)
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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
Conflicts: drivers/net/wireless/ath/ath9k/init.c
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/agg-rx.c11
-rw-r--r--net/mac80211/main.c12
-rw-r--r--net/mac80211/tx.c3
3 files changed, 16 insertions, 10 deletions
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index 1f51f4162426..0c9d0c07eae6 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -185,8 +185,6 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
struct ieee80211_mgmt *mgmt,
size_t len)
{
- struct ieee80211_hw *hw = &local->hw;
- struct ieee80211_conf *conf = &hw->conf;
struct tid_ampdu_rx *tid_agg_rx;
u16 capab, tid, timeout, ba_policy, buf_size, start_seq_num, status;
u8 dialog_token;
@@ -231,13 +229,8 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
goto end_no_lock;
}
/* determine default buffer size */
- if (buf_size == 0) {
- struct ieee80211_supported_band *sband;
-
- sband = local->hw.wiphy->bands[conf->channel->band];
- buf_size = IEEE80211_MIN_AMPDU_BUF;
- buf_size = buf_size << sband->ht_cap.ampdu_factor;
- }
+ if (buf_size == 0)
+ buf_size = IEEE80211_MAX_AMPDU_BUF;
/* make sure the size doesn't exceed the maximum supported by the hw */
if (buf_size > local->hw.max_rx_aggregation_subframes)
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 1c507c6972e6..09a27449f3fd 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;
@@ -570,7 +572,15 @@ 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);
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index e46c801320e1..ffc67491c38f 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -2230,6 +2230,9 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
sdata = vif_to_sdata(vif);
+ if (!ieee80211_sdata_running(sdata))
+ goto out;
+
if (tim_offset)
*tim_offset = 0;
if (tim_length)