From: Felix Fietkau <nbd@openwrt.org>
Date: Tue, 11 Jan 2011 00:05:49 +0000 (-0700)
Subject: ath9k: reinitialize block ack window data when starting aggregation
X-Git-Tag: v3.0~1578^2~448^2~54
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2ed72229d60fc6f3ac9941b75d1e1522b08a975a;p=platform%2Fkernel%2Flinux-amlogic.git

ath9k: reinitialize block ack window data when starting aggregation

There might be some old stale data left, which could confuse tracking
of pending tx frames.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 6ddba4b..ab4f7b4 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -858,6 +858,9 @@ int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
 	txtid->paused = true;
 	*ssn = txtid->seq_start = txtid->seq_next;
 
+	memset(txtid->tx_buf, 0, sizeof(txtid->tx_buf));
+	txtid->baw_head = txtid->baw_tail = 0;
+
 	return 0;
 }