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From aabb8d6daa5fecfc6086a480865312860e6a1080 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Fri, 15 Jun 2012 03:04:52 +0200
Subject: [PATCH 25/46] ath9k: fix a tx rate duration calculation bug
commit 76591bea9714a58d8924154068c78d702eb2cb17 upstream.
The rate pointer variable for a rate series is used in a loop before it is
initialized. This went unnoticed because it was used earlier for the RTS/CTS
rate. This bug can lead to the wrong PHY type being passed to the
duration calculation function.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
drivers/net/wireless/ath/ath9k/xmit.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 76fd277..c59c592 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -936,13 +936,13 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf,
}
/* legacy rates */
+ rate = &sc->sbands[tx_info->band].bitrates[rates[i].idx];
if ((tx_info->band == IEEE80211_BAND_2GHZ) &&
!(rate->flags & IEEE80211_RATE_ERP_G))
phy = WLAN_RC_PHY_CCK;
else
phy = WLAN_RC_PHY_OFDM;
- rate = &sc->sbands[tx_info->band].bitrates[rates[i].idx];
info->rates[i].Rate = rate->hw_value;
if (rate->hw_value_short) {
if (rates[i].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
--
1.7.10
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