diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index dbac5c0995a0..5bb2316befb9 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -12033,7 +12033,7 @@ static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
 	struct net_device *dev = info->user_ptr[1];
 	struct wireless_dev *wdev = dev->ieee80211_ptr;
 	struct nlattr *tb[NUM_NL80211_REKEY_DATA];
-	struct cfg80211_gtk_rekey_data rekey_data;
+	struct cfg80211_gtk_rekey_data rekey_data = {};
 	int err;
 
 	if (!info->attrs[NL80211_ATTR_REKEY_DATA])