* [PATCH] mwl8k: Call ieee80211_stop_tx_ba_cb_irqsafe for already deleted BA stream
@ 2011-12-20 6:07 Yogesh Ashok Powar
0 siblings, 0 replies; only message in thread
From: Yogesh Ashok Powar @ 2011-12-20 6:07 UTC (permalink / raw)
To: John W. Linville; +Cc: linux-wireless, Lennert Buytenhek, Nishant Sarmukadam
When stack calls ampdu_action with action = IEEE80211_AMPDU_TX_STOP
for a stream that has already been removed from the driver, call
ieee80211_tx_ba_stop_irqsafe to clear the stream in the stack.
Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: Nishant Sarmukadam <nishants@marvell.com>
---
drivers/net/wireless/mwl8k.c | 14 +++++++-------
1 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 995695c..901cd79 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -5044,14 +5044,14 @@ mwl8k_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
ieee80211_start_tx_ba_cb_irqsafe(vif, addr, tid);
break;
case IEEE80211_AMPDU_TX_STOP:
- if (stream == NULL)
- break;
- if (stream->state == AMPDU_STREAM_ACTIVE) {
- spin_unlock(&priv->stream_lock);
- mwl8k_destroy_ba(hw, stream);
- spin_lock(&priv->stream_lock);
+ if (stream) {
+ if (stream->state == AMPDU_STREAM_ACTIVE) {
+ spin_unlock(&priv->stream_lock);
+ mwl8k_destroy_ba(hw, stream);
+ spin_lock(&priv->stream_lock);
+ }
+ mwl8k_remove_stream(hw, stream);
}
- mwl8k_remove_stream(hw, stream);
ieee80211_stop_tx_ba_cb_irqsafe(vif, addr, tid);
break;
case IEEE80211_AMPDU_TX_OPERATIONAL:
--
1.7.5.4
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2011-12-20 6:07 [PATCH] mwl8k: Call ieee80211_stop_tx_ba_cb_irqsafe for already deleted BA stream Yogesh Ashok Powar
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