diff --git a/core/rtw_wlan_util.c b/core/rtw_wlan_util.c
index 879f8f2..5e4759f 100755
--- a/core/rtw_wlan_util.c
+++ b/core/rtw_wlan_util.c
@@ -1359,6 +1359,8 @@ int rtw_check_bcn_info(struct adapter *Adapter, u8 *pframe, u32 packet_len)
 	}
 
 	bssid = (WLAN_BSSID_EX *)rtw_zmalloc(sizeof(WLAN_BSSID_EX));
+	if (!bssid)
+		return _FAIL;
 
 	subtype = GetFrameSubType(pframe) >> 4;