diff --git a/drivers/staging/rtl8723bs/core/rtw_security.c b/drivers/staging/rtl8723bs/core/rtw_security.c
index 64c05437ff01..8f1f960b7535 100644
--- a/drivers/staging/rtl8723bs/core/rtw_security.c
+++ b/drivers/staging/rtl8723bs/core/rtw_security.c
@@ -1285,7 +1285,7 @@ u32 rtw_BIP_verify(struct adapter *padapter, u8 *precvframe)
 	u8 mic[16];
 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 	__le16 le_tmp;
-	__le64 le_tmp64;
+	__le64 le_tmp64 = 0;
 
 	ori_len = pattrib->pkt_len - WLAN_HDR_A3_LEN + BIP_AAD_SIZE;
 	BIP_AAD = kzalloc(ori_len, GFP_KERNEL);