staging: rtl8712: prepare for const netdev->dev_addr

netdev->dev_addr will be const soon, make sure the qualifier
is respected by drivers.
Signed-off-by: NJakub Kicinski <kuba@kernel.org>
Link: https://lore.kernel.org/r/20211019171243.1412240-6-kuba@kernel.orgSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8712/os_intfs.c

@@ -388,7 +388,8 @@ static int netdev_open(struct net_device *pnetdev)
 			 * address.
 			 */
 			msleep(200);
-			r8712_setMacAddr_cmd(padapter, (u8 *)pnetdev->dev_addr);
+			r8712_setMacAddr_cmd(padapter,
+					     (const u8 *)pnetdev->dev_addr);
 			/*
 			 * The "myid" function will get the wifi mac address
 			 * from eeprompriv structure instead of netdev

drivers/staging/rtl8712/rtl871x_cmd.c

@@ -554,7 +554,7 @@ void r8712_setstakey_cmd(struct _adapter *padapter, u8 *psta, u8 unicast_key)
 	r8712_enqueue_cmd(pcmdpriv, ph2c);
 }
 
-void r8712_setMacAddr_cmd(struct _adapter *padapter, u8 *mac_addr)
+void r8712_setMacAddr_cmd(struct _adapter *padapter, const u8 *mac_addr)
 {
 	struct cmd_priv	*pcmdpriv = &padapter->cmdpriv;
 	struct cmd_obj *ph2c;

drivers/staging/rtl8712/rtl871x_cmd.h

@@ -718,7 +718,7 @@ struct DisconnectCtrlEx_param {
 #define H2C_CMD_OVERFLOW		0x06
 #define H2C_RESERVED			0x07
 
-void r8712_setMacAddr_cmd(struct _adapter *padapter, u8 *mac_addr);
+void r8712_setMacAddr_cmd(struct _adapter *padapter, const u8 *mac_addr);
 u8 r8712_sitesurvey_cmd(struct _adapter *padapter,
 			struct ndis_802_11_ssid *pssid);
 int r8712_createbss_cmd(struct _adapter *padapter);