diff --git a/drivers/staging/rtl8192u/ieee80211/rtl819x_Qos.h b/drivers/staging/rtl8192u/ieee80211/rtl819x_Qos.h
index 59a60f86607c..77f0e26f5d2d 100644
--- a/drivers/staging/rtl8192u/ieee80211/rtl819x_Qos.h
+++ b/drivers/staging/rtl8192u/ieee80211/rtl819x_Qos.h
@@ -77,6 +77,6 @@ struct octet_string {
 	u16             length;
 };
 
-#define IsACValid(ac)			((ac <= 7) ? true : false)
+#define is_ac_valid(ac)			(((ac) <= 7) ? true : false)
 
 #endif // #ifndef __INC_QOS_TYPE_H
diff --git a/drivers/staging/rtl8192u/ieee80211/rtl819x_TSProc.c b/drivers/staging/rtl8192u/ieee80211/rtl819x_TSProc.c
index e0ccabadec22..de06cd11ab65 100644
--- a/drivers/staging/rtl8192u/ieee80211/rtl819x_TSProc.c
+++ b/drivers/staging/rtl8192u/ieee80211/rtl819x_TSProc.c
@@ -309,7 +309,7 @@ bool GetTs(
 		UP = 0;
 	} else {
 		// In WMM case: we use 4 TID only
-		if (!IsACValid(TID)) {
+		if (!is_ac_valid(TID)) {
 			IEEE80211_DEBUG(IEEE80211_DL_ERR, " in %s(), TID(%d) is not valid\n", __func__, TID);
 			return false;
 		}