From: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Date: Tue, 14 Jan 2014 03:52:36 +0000 (+0530)
Subject: ath9k: Fix error reported by smatch
X-Git-Tag: v4.9.8~7055^2~3^2^2~16
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1908861f2fb072446eabbdc4a01c3bec40ed2f7c;p=platform%2Fkernel%2Flinux-rpi3.git

ath9k: Fix error reported by smatch

debug_sta.c: ath_debug_rate_stats() error: buffer overflow 'rstats->ht_stats' 24 <= 24

Cc: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/ath/ath9k/debug_sta.c b/drivers/net/wireless/ath/ath9k/debug_sta.c
index d33cc88..d76e6e0 100644
--- a/drivers/net/wireless/ath/ath9k/debug_sta.c
+++ b/drivers/net/wireless/ath/ath9k/debug_sta.c
@@ -128,7 +128,7 @@ void ath_debug_rate_stats(struct ath_softc *sc,
 	rxs = IEEE80211_SKB_RXCB(skb);
 
 	if (IS_HT_RATE(rs->rs_rate)) {
-		if (rxs->rate_idx > ARRAY_SIZE(rstats->ht_stats))
+		if (rxs->rate_idx >= ARRAY_SIZE(rstats->ht_stats))
 			goto exit;
 
 		if (rxs->flag & RX_FLAG_40MHZ)