staging: rtl8723au: rtw_get_wps_ie23a(): Remove unused dest pointer wps_ie

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723au/core/rtw_ap.c

@@ -660,7 +660,9 @@ static void start_bss_network(struct rtw_adapter *padapter, u8 *pbuf)
 	/* check if there is wps ie, */
 	/* if there is wpsie in beacon, the hostapd will update beacon twice when stating hostapd, */
 	/* and at first time the security ie (RSN/WPA IE) will not include in beacon. */
-	if (NULL == rtw_get_wps_ie23a(pnetwork->IEs+_FIXED_IE_LENGTH_, pnetwork->IELength-_FIXED_IE_LENGTH_, NULL, NULL))
+	if (NULL == rtw_get_wps_ie23a(pnetwork->IEs + _FIXED_IE_LENGTH_,
+				      pnetwork->IELength - _FIXED_IE_LENGTH_,
+				      NULL))
 		pmlmeext->bstart_bss = true;
 
 	/* todo: update wmm, ht cap */
@@ -1239,7 +1241,8 @@ static void update_bcn_wps_ie(struct rtw_adapter *padapter)
 	if (pwps_ie_src == NULL)
 		return;
 
-	pwps_ie = rtw_get_wps_ie23a(ie+_FIXED_IE_LENGTH_, ielen-_FIXED_IE_LENGTH_, NULL, &wps_ielen);
+	pwps_ie = rtw_get_wps_ie23a(ie + _FIXED_IE_LENGTH_,
+				    ielen - _FIXED_IE_LENGTH_, &wps_ielen);
 
 	if (pwps_ie == NULL || wps_ielen == 0)
 		return;

drivers/staging/rtl8723au/core/rtw_ieee80211.c

@@ -700,14 +700,12 @@ int rtw_get_sec_ie23a(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len,
  * rtw_get_wps_ie23a - Search WPS IE from a series of IEs
  * @in_ie: Address of IEs to search
  * @in_len: Length limit from in_ie
- * @wps_ie: If not NULL and WPS IE is found, WPS IE will be copied to the
- *          buf starting from wps_ie
  * @wps_ielen: If not NULL and WPS IE is found, will set to the length of
  *             the entire WPS IE
  *
  * Returns: The address of the WPS IE found, or NULL
  */
-u8 *rtw_get_wps_ie23a(u8 *in_ie, uint in_len, u8 *wps_ie, uint *wps_ielen)
+u8 *rtw_get_wps_ie23a(u8 *in_ie, uint in_len, uint *wps_ielen)
 {
 	uint cnt;
 	u8 *wpsie_ptr = NULL;
@@ -728,9 +726,6 @@ u8 *rtw_get_wps_ie23a(u8 *in_ie, uint in_len, u8 *wps_ie, uint *wps_ielen)
 		    !memcmp(&in_ie[cnt+2], wps_oui, 4)) {
 			wpsie_ptr = &in_ie[cnt];
 
-			if (wps_ie)
-				memcpy(wps_ie, &in_ie[cnt], in_ie[cnt + 1] + 2);
-
 			if (wps_ielen)
 				*wps_ielen = in_ie[cnt + 1] + 2;
 

drivers/staging/rtl8723au/core/rtw_mlme.c

@@ -600,7 +600,7 @@ static int rtw_is_desired_network(struct rtw_adapter *adapter,
 	if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
 		if (rtw_get_wps_ie23a(pnetwork->network.IEs + _FIXED_IE_LENGTH_,
 				      pnetwork->network.IELength -
-				      _FIXED_IE_LENGTH_, NULL, &wps_ielen))
+				      _FIXED_IE_LENGTH_, &wps_ielen))
 			return true;
 		else
 			return false;

drivers/staging/rtl8723au/core/rtw_mlme_ext.c

@@ -2511,8 +2511,7 @@ void issue_beacon23a(struct rtw_adapter *padapter, int timeout_ms)
 					   sizeof (struct ieee80211_hdr_3addr) +
 					   _BEACON_IE_OFFSET_, pattrib->pktlen -
 					   sizeof (struct ieee80211_hdr_3addr) -
-					   _BEACON_IE_OFFSET_, NULL,
-					   &wps_ielen);
+					   _BEACON_IE_OFFSET_, &wps_ielen);
 		if (wps_ie && wps_ielen > 0) {
 			rtw_get_wps_attr_content23a(wps_ie, wps_ielen,
 						    WPS_ATTR_SELECTED_REGISTRAR,
@@ -2677,8 +2676,7 @@ static void issue_probersp(struct rtw_adapter *padapter, unsigned char *da,
 		pwps_ie = rtw_get_wps_ie23a(cur_network->IEs +
 					    _FIXED_IE_LENGTH_,
 					    cur_network->IELength -
-					    _FIXED_IE_LENGTH_, NULL,
-					    &wps_ielen);
+					    _FIXED_IE_LENGTH_, &wps_ielen);
 
 		/* inerset & update wps_probe_resp_ie */
 		if (pmlmepriv->wps_probe_resp_ie && pwps_ie && wps_ielen > 0) {

drivers/staging/rtl8723au/include/ieee80211.h

@@ -432,7 +432,7 @@ int rtw_parse_wpa2_ie23a(const u8* wpa_ie, int wpa_ie_len, int *group_cipher, in
 
 int rtw_get_sec_ie23a(u8 *in_ie,uint in_len,u8 *rsn_ie,u16 *rsn_len,u8 *wpa_ie,u16 *wpa_len);
 
-u8 *rtw_get_wps_ie23a(u8 *in_ie, uint in_len, u8 *wps_ie, uint *wps_ielen);
+u8 *rtw_get_wps_ie23a(u8 *in_ie, uint in_len, uint *wps_ielen);
 u8 *rtw_get_wps_attr23a(u8 *wps_ie, uint wps_ielen, u16 target_attr_id ,u8 *buf_attr, u32 *len_attr);
 u8 *rtw_get_wps_attr_content23a(u8 *wps_ie, uint wps_ielen, u16 target_attr_id ,u8 *buf_content, uint *len_content);
 

drivers/staging/rtl8723au/os_dep/ioctl_cfg80211.c

@@ -1486,7 +1486,7 @@ static int rtw_cfg80211_set_probe_req_wpsp2pie(struct rtw_adapter *padapter,
 	DBG_8723A("%s, ielen =%d\n", __func__, len);
 
 	if (len > 0) {
-		wps_ie = rtw_get_wps_ie23a(buf, len, NULL, &wps_ielen);
+		wps_ie = rtw_get_wps_ie23a(buf, len, &wps_ielen);
 		if (wps_ie) {
 			DBG_8723A("probe_req_wps_ielen =%d\n", wps_ielen);
 
@@ -1886,7 +1886,7 @@ static int rtw_cfg80211_set_wpa_ie(struct rtw_adapter *padapter, const u8 *pie,
 		uint wps_ielen;
 		u8 *wps_ie;
 
-		wps_ie = rtw_get_wps_ie23a(buf, ielen, NULL, &wps_ielen);
+		wps_ie = rtw_get_wps_ie23a(buf, ielen, &wps_ielen);
 		if (wps_ie && wps_ielen > 0) {
 			DBG_8723A("got wps_ie, wps_ielen:%u\n", wps_ielen);
 			padapter->securitypriv.wps_ie_len =
@@ -2825,9 +2825,8 @@ static int rtw_add_beacon(struct rtw_adapter *adapter, const u8 *head,
 	len = head_len + tail_len - 24;
 
 	/* check wps ie if inclued */
-	if (rtw_get_wps_ie23a
-	    (pbuf + _FIXED_IE_LENGTH_, len - _FIXED_IE_LENGTH_, NULL,
-	     &wps_ielen))
+	if (rtw_get_wps_ie23a(pbuf + _FIXED_IE_LENGTH_, len - _FIXED_IE_LENGTH_,
+			      &wps_ielen))
 		DBG_8723A("add bcn, wps_ielen =%d\n", wps_ielen);
 
 	/* pbss_network->IEs will not include p2p_ie, wfd ie */