diff --git a/[refs] b/[refs]
index d6540d935493..acc2ee3a214f 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f9f88fed3433139b58962011c81597b44fd48458
+refs/heads/master: 87c1687d1a7bf0d4975d613cb699ba95b329359e
diff --git a/trunk/drivers/net/wireless/ath9k/rc.c b/trunk/drivers/net/wireless/ath9k/rc.c
index aa6bfd717c20..517992d14808 100644
--- a/trunk/drivers/net/wireless/ath9k/rc.c
+++ b/trunk/drivers/net/wireless/ath9k/rc.c
@@ -1272,8 +1272,7 @@ static void ath_rc_update_ht(struct ath_softc *sc,
 				rate_ctrl->state[tx_rate].per = 100;
 		} else {
 			/* xretries == 2 */
-			count = sizeof(nretry_to_per_lookup) /
-				sizeof(nretry_to_per_lookup[0]);
+			count = ARRAY_SIZE(nretry_to_per_lookup);
 			if (retries >= count)
 				retries = count - 1;
 			/* new_PER = 7/8*old_PER + 1/8*(currentPER) */
@@ -1291,8 +1290,7 @@ static void ath_rc_update_ht(struct ath_softc *sc,
 	} else {	/* xretries == 0 */
 		/* Update the PER. */
 		/* Make sure it doesn't index out of array's bounds. */
-		count = sizeof(nretry_to_per_lookup) /
-			sizeof(nretry_to_per_lookup[0]);
+		count = ARRAY_SIZE(nretry_to_per_lookup);
 		if (retries >= count)
 			retries = count - 1;
 		if (info_priv->n_bad_frames) {