linux-kernel - [15/34] ath9k_hw: fix an off-by-one error in the PDADC boundaries calculation

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Message-Id: <20100806185835.184639576@clark.site>
Date:	Fri, 06 Aug 2010 11:57:10 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Felix Fietkau <nbd@...nwrt.org>,
	"John W. Linville" <linville@...driver.com>
Subject: [15/34] ath9k_hw: fix an off-by-one error in the PDADC boundaries calculation

2.6.32-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Felix Fietkau <nbd@...nwrt.org>

commit 03b4776c408d2f4bf3a5d204e223724d154716d1 upstream.

PDADC values were only generated for values surrounding the target
index, however not for the target index itself, leading to a minor
error in the generated curve.

Signed-off-by: Felix Fietkau <nbd@...nwrt.org>
Signed-off-by: John W. Linville <linville@...driver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/net/wireless/ath/ath9k/eeprom_def.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/wireless/ath/ath9k/eeprom_def.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_def.c
@@ -714,7 +714,7 @@ static void ath9k_hw_get_def_gain_bounda
 				    vpdTableI[i][sizeCurrVpdTable - 2]);
 		vpdStep = (int16_t)((vpdStep < 1) ? 1 : vpdStep);
 
-		if (tgtIndex > maxIndex) {
+		if (tgtIndex >= maxIndex) {
 			while ((ss <= tgtIndex) &&
 			       (k < (AR5416_NUM_PDADC_VALUES - 1))) {
 				tmpVal = (int16_t)((vpdTableI[i][sizeCurrVpdTable - 1] +


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