diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
index a6adfc91629129e0d44dccc55c8367840fbf7e4e..6721ed9efc3b6d7a13af9125ab340146770b56bd 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
@@ -20,6 +20,8 @@
 #include <linux/delay.h>
 #include <linux/slab.h>
 #include <asm/uaccess.h>
+#include <linux/etherdevice.h>
+
 #include "dot11d.h"
 
 u8 rsn_authen_cipher_suite[16][4] = {
@@ -2969,9 +2971,7 @@ static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee,
 			       param->u.crypt.key_len);
 		return -EINVAL;
 	}
-	if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
-	    param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
-	    param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
+	if (is_broadcast_ether_addr(param->sta_addr)) {
 		if (param->u.crypt.idx >= WEP_KEYS)
 			return -EINVAL;
 		crypt = &ieee->crypt[param->u.crypt.idx];