diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 412ed8676306eee8756b22b4c067cefd26a22c0f..c6f256b29c734288f175bb1ea4543eec40596089 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -12484,7 +12484,7 @@ static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
 	struct net_device *dev = info->user_ptr[1];
 	struct cfg80211_external_auth_params params;
 
-	if (rdev->ops->external_auth)
+	if (!rdev->ops->external_auth)
 		return -EOPNOTSUPP;
 
 	if (!info->attrs[NL80211_ATTR_SSID])