ath9k: index out of bounds
Check whether index is within bounds before testing the element
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index a3241cd..2a40532 100644
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -1092,8 +1092,7 @@
if (!(rate->flags & IEEE80211_TX_RC_MCS))
return rate->idx;
- while (rate->idx > mcs_rix_off[i] &&
- i < ARRAY_SIZE(mcs_rix_off)) {
+ while (i < ARRAY_SIZE(mcs_rix_off) && rate->idx > mcs_rix_off[i]) {
rix++; i++;
}