staging: rtl8723bs: os_dep: use eth_broadcast_addr() to assign broadcast address

Using eth_broadcast_addr() to assign broadcast address instead
of memset() or copying from an array that contains the all-ones
broadcast address.
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20210616081243.2511663-2-yangyingliang@huawei.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c

@@ -229,7 +229,6 @@ struct cfg80211_bss *rtw_cfg80211_inform_bss(struct adapter *padapter, struct wl
 	size_t len, bssinf_len = 0;
 	struct ieee80211_hdr *pwlanhdr;
 	__le16 *fctrl;
-	u8 bc_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 
 	struct wireless_dev *wdev = padapter->rtw_wdev;
 	struct wiphy *wiphy = wdev->wiphy;
@@ -310,7 +309,7 @@ struct cfg80211_bss *rtw_cfg80211_inform_bss(struct adapter *padapter, struct wl
 	/* pmlmeext->mgnt_seq++; */
 
 	if (pnetwork->network.Reserved[0] == 1) { /*  WIFI_BEACON */
-		memcpy(pwlanhdr->addr1, bc_addr, ETH_ALEN);
+		eth_broadcast_addr(pwlanhdr->addr1);
 		SetFrameSubType(pbuf, WIFI_BEACON);
 	} else {
 		memcpy(pwlanhdr->addr1, myid(&(padapter->eeprompriv)), ETH_ALEN);
@@ -960,7 +959,7 @@ static int cfg80211_rtw_add_key(struct wiphy *wiphy, struct net_device *ndev,
 	memset(param, 0, param_len);
 
 	param->cmd = IEEE_CMD_SET_ENCRYPTION;
-	memset(param->sta_addr, 0xff, ETH_ALEN);
+	eth_broadcast_addr(param->sta_addr);
 
 	switch (params->cipher) {
 	case IW_AUTH_CIPHER_NONE:

drivers/staging/rtl8723bs/os_dep/ioctl_linux.c

@@ -1915,7 +1915,7 @@ static int rtw_wx_set_enc_ext(struct net_device *dev,
 		return -1;
 
 	param->cmd = IEEE_CMD_SET_ENCRYPTION;
-	memset(param->sta_addr, 0xff, ETH_ALEN);
+	eth_broadcast_addr(param->sta_addr);
 
 
 	switch (pext->alg) {