staging: rtl8723au: struct mlme_priv->wps_beacon_ie is never set

Remove all code trying to use it

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

4 files changed, 1 insertions, 82 deletions

diff --git a/drivers/staging/rtl8723au/core/rtw_ap.c b/drivers/staging/rtl8723au/core/rtw_ap.c
index 2a960b1ba066..8ba346f54bbb 100644
--- a/drivers/staging/rtl8723au/core/rtw_ap.c
+++ b/drivers/staging/rtl8723au/core/rtw_ap.c
@@ -1227,60 +1227,9 @@ static void update_bcn_wmm_ie(struct rtw_adapter *padapter)
 
 static void update_bcn_wps_ie(struct rtw_adapter *padapter)
 {
-	const u8 *pwps_ie, *premainder_ie;
-	u8 *pwps_ie_src, *pbackup_remainder_ie = NULL;
-	uint wps_ielen = 0, wps_offset, remainder_ielen;
-	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
-	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
-	struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
-	struct wlan_bssid_ex *pnetwork = &pmlmeinfo->network;
-	unsigned char *ie = pnetwork->IEs;
-	u32 ielen = pnetwork->IELength;
-
 	DBG_8723A("%s\n", __func__);
 
-	pwps_ie_src = pmlmepriv->wps_beacon_ie;
-	if (pwps_ie_src == NULL)
-		return;
-
-	pwps_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
-					  WLAN_OUI_TYPE_MICROSOFT_WPS,
-					  ie + _FIXED_IE_LENGTH_,
-					  ielen - _FIXED_IE_LENGTH_);
-
-	if (pwps_ie == NULL || pwps_ie[1] == 0)
-		return;
-
-	wps_ielen = pwps_ie[1];
-	wps_offset = (uint)(pwps_ie-ie);
-
-	premainder_ie = pwps_ie + wps_ielen;
-
-	remainder_ielen = ielen - wps_offset - wps_ielen;
-
-	if (remainder_ielen > 0) {
-		pbackup_remainder_ie = kmalloc(remainder_ielen, GFP_ATOMIC);
-		if (pbackup_remainder_ie)
-			memcpy(pbackup_remainder_ie, premainder_ie,
-			       remainder_ielen);
-	}
-
-	wps_ielen = (uint)pwps_ie_src[1];/* to get ie data len */
-	if ((wps_offset+wps_ielen+2+remainder_ielen)<= MAX_IE_SZ)
-	{
-		memcpy(ie + wps_offset, pwps_ie_src, wps_ielen + 2);
-		pwps_ie += (wps_ielen+2);
-
-		if (pbackup_remainder_ie)
-			memcpy(ie + wps_offset + wps_ielen + 2,
-			       pbackup_remainder_ie, remainder_ielen);
-
-		/* update IELength */
-		pnetwork->IELength = wps_offset + (wps_ielen+2) + remainder_ielen;
-	}
-
-	if (pbackup_remainder_ie)
-		kfree(pbackup_remainder_ie);
+	return;
 }
 
 static void update_bcn_p2p_ie(struct rtw_adapter *padapter)
@@ -1966,7 +1915,6 @@ void start_ap_mode23a(struct rtw_adapter *padapter)
 	for (i = 0; i<NUM_STA; i++)
 		pstapriv->sta_aid[i] = NULL;
 
-	pmlmepriv->wps_beacon_ie = NULL;
 	pmlmepriv->wps_probe_resp_ie = NULL;
 	pmlmepriv->wps_assoc_resp_ie = NULL;
 
diff --git a/drivers/staging/rtl8723au/core/rtw_mlme.c b/drivers/staging/rtl8723au/core/rtw_mlme.c
index 9a8c9ffd1837..eefe40a7a564 100644
--- a/drivers/staging/rtl8723au/core/rtw_mlme.c
+++ b/drivers/staging/rtl8723au/core/rtw_mlme.c
@@ -87,8 +87,6 @@ void rtw23a_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv)
 #ifdef CONFIG_8723AU_AP_MODE
 	kfree(pmlmepriv->assoc_req);
 	kfree(pmlmepriv->assoc_rsp);
-	rtw_free_mlme_ie_data(&pmlmepriv->wps_beacon_ie,
-			      &pmlmepriv->wps_beacon_ie_len);
 	rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_req_ie,
 			      &pmlmepriv->wps_probe_req_ie_len);
 	rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_resp_ie,
diff --git a/drivers/staging/rtl8723au/core/rtw_mlme_ext.c b/drivers/staging/rtl8723au/core/rtw_mlme_ext.c
index 4047f6dadff2..8590faa483fa 100644
--- a/drivers/staging/rtl8723au/core/rtw_mlme_ext.c
+++ b/drivers/staging/rtl8723au/core/rtw_mlme_ext.c
@@ -1534,31 +1534,6 @@ OnAssocReq23a(struct rtw_adapter *padapter, struct recv_frame *precv_frame)
 				   "Association Request - possible WPS use\n");
 			pstat->flags |= WLAN_STA_MAYBE_WPS;
 		}
-
-		/*  AP support WPA/RSN, and sta is going to do WPS, but AP
-		    is not ready */
-		/*  that the selected registrar of AP is _FLASE */
-		if (psecuritypriv->wpa_psk > 0 &&
-		    pstat->flags & (WLAN_STA_WPS|WLAN_STA_MAYBE_WPS)) {
-			if (pmlmepriv->wps_beacon_ie) {
-				u8 selected_registrar = 0;
-
-				rtw_get_wps_attr_content23a(
-					pmlmepriv->wps_beacon_ie,
-					pmlmepriv->wps_beacon_ie_len,
-					WPS_ATTR_SELECTED_REGISTRAR,
-					&selected_registrar, NULL);
-
-				if (!selected_registrar) {
-					DBG_8723A("selected_registrar is false,"
-						  "or AP is not ready to do "
-						  "WPS\n");
-
-					status = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
-					goto OnAssocReq23aFail;
-				}
-			}
-		}
 	} else {
 		int copy_len;
 
diff --git a/drivers/staging/rtl8723au/include/rtw_mlme.h b/drivers/staging/rtl8723au/include/rtw_mlme.h
index a67954569d3e..6dccfb045ffe 100644
--- a/drivers/staging/rtl8723au/include/rtw_mlme.h
+++ b/drivers/staging/rtl8723au/include/rtw_mlme.h
@@ -167,8 +167,6 @@ struct mlme_priv {
 	u8 *wps_assoc_resp_ie;
 	u8 *wps_probe_resp_ie;
 	u32 wps_probe_resp_ie_len;
-	u8 *wps_beacon_ie;
-	u32 wps_beacon_ie_len;
 	u32 p2p_go_probe_resp_ie_len; /* for GO */
 	u32 p2p_assoc_req_ie_len;
 	u8 *p2p_beacon_ie;