diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 1722998..a3e2695 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -4126,16 +4126,6 @@
 				  NL80211_WPA_VERSION_2));
 }
 
-static bool nl80211_valid_cipher_suite(u32 cipher)
-{
-	return cipher == WLAN_CIPHER_SUITE_WEP40 ||
-		cipher == WLAN_CIPHER_SUITE_WEP104 ||
-		cipher == WLAN_CIPHER_SUITE_TKIP ||
-		cipher == WLAN_CIPHER_SUITE_CCMP ||
-		cipher == WLAN_CIPHER_SUITE_AES_CMAC;
-}
-
-
 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
 {
 	struct cfg80211_registered_device *rdev = info->user_ptr[0];
@@ -4268,7 +4258,8 @@
 		memcpy(settings->ciphers_pairwise, data, len);
 
 		for (i = 0; i < settings->n_ciphers_pairwise; i++)
-			if (!nl80211_valid_cipher_suite(
+			if (!cfg80211_supported_cipher_suite(
+					&rdev->wiphy,
 					settings->ciphers_pairwise[i]))
 				return -EINVAL;
 	}
@@ -4276,7 +4267,8 @@
 	if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
 		settings->cipher_group =
 			nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
-		if (!nl80211_valid_cipher_suite(settings->cipher_group))
+		if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
+						     settings->cipher_group))
 			return -EINVAL;
 	}