From: Yogesh Ashok Powar Date: Tue, 20 Dec 2011 06:07:08 +0000 (+0530) Subject: mwl8k: Call ieee80211_stop_tx_ba_cb_irqsafe for already deleted BA stream X-Git-Tag: v3.3-rc1~182^2~44^2~7 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=eca107ff8a25e0528d6e6225ac6ce59bd498136f;p=platform%2Fkernel%2Flinux-exynos.git mwl8k: Call ieee80211_stop_tx_ba_cb_irqsafe for already deleted BA stream 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 Signed-off-by: Nishant Sarmukadam Signed-off-by: John W. Linville --- 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: