rtl8712: remove useless calls to memset().

These calls are followed by calls to memcpy() on the same memory area, so they
can be safely removed.

Signed-off-by: Cyril Roelandt <tipecaml@gmail.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8712/mlme_linux.c

@@ -106,8 +106,6 @@ void r8712_os_indicate_disconnect(struct _adapter *adapter)
 		 * disconnect with AP for 60 seconds.
 		 */
 
-		memset(&backupPMKIDList[0], 0x00, sizeof(
-			struct RT_PMKID_LIST) *	NUM_PMKID_CACHE);
 		memcpy(&backupPMKIDList[0], &adapter->securitypriv.
 			PMKIDList[0], sizeof(struct RT_PMKID_LIST) *
 			NUM_PMKID_CACHE);

drivers/staging/rtl8712/rtl871x_cmd.c

@@ -525,7 +525,6 @@ u8 r8712_joinbss_cmd(struct _adapter  *padapter, struct wlan_network *pnetwork)
 		kfree(pcmd);
 		return _FAIL;
 	}
-	memset(psecnetwork, 0, t_len);
 	memcpy(psecnetwork, &pnetwork->network, t_len);
 	auth = &psecuritypriv->authenticator_ie[0];
 	psecuritypriv->authenticator_ie[0] = (unsigned char)

drivers/staging/rtl8712/rtl871x_ioctl_set.c

@@ -97,8 +97,6 @@ static u8 do_join(struct _adapter *padapter)
 				pmlmepriv->fw_state = WIFI_ADHOC_MASTER_STATE;
 				pibss = padapter->registrypriv.dev_network.
 					MacAddress;
-				memset(&pdev_network->Ssid, 0,
-					sizeof(struct ndis_802_11_ssid));
 				memcpy(&pdev_network->Ssid,
 					&pmlmepriv->assoc_ssid,
 					sizeof(struct ndis_802_11_ssid));

drivers/staging/rtl8712/rtl871x_mlme.c

@@ -604,9 +604,6 @@ void r8712_surveydone_event_callback(struct _adapter *adapter, u8 *pbuf)
 						 adapter->registrypriv.
 							dev_network.MacAddress;
 					pmlmepriv->fw_state ^= _FW_UNDER_SURVEY;
-					memset(&pdev_network->Ssid, 0,
-						sizeof(struct
-						       ndis_802_11_ssid));
 					memcpy(&pdev_network->Ssid,
 						&pmlmepriv->assoc_ssid,
 						sizeof(struct
@@ -1006,8 +1003,6 @@ void r8712_stadel_event_callback(struct _adapter *adapter, u8 *pbuf)
 			memcpy(pdev_network, &tgt_network->network,
 				r8712_get_ndis_wlan_bssid_ex_sz(&tgt_network->
 							network));
-			memset(&pdev_network->Ssid, 0,
-				sizeof(struct ndis_802_11_ssid));
 			memcpy(&pdev_network->Ssid,
 				&pmlmepriv->assoc_ssid,
 				sizeof(struct ndis_802_11_ssid));