rtlwifi: Fix NULL dereference when PCI driver used as an AP

[deliverable/linux.git] / drivers / net / wireless / rtlwifi / core.c

diff --git a/drivers/net/wireless/rtlwifi/core.c b/drivers/net/wireless/rtlwifi/core.c
index 3b3a88b53b119909112a806ee71ab4d4bfa67a79..585d0883c7e58760eed503de64ced513c8331c82 100644 (file)
--- a/drivers/net/wireless/rtlwifi/core.c
+++ b/drivers/net/wireless/rtlwifi/core.c
@@ -1015,9 +1015,12 @@ static void send_beacon_frame(struct ieee80211_hw *hw,
 {
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct sk_buff *skb = ieee80211_beacon_get(hw, vif);
+       struct rtl_tcb_desc tcb_desc;
 
-       if (skb)
-               rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, NULL);
+       if (skb) {
+               memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
+               rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, &tcb_desc);
+       }
 }
 
 static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,