staging: r8188eu: assoc_rsp and assoc_rsp_len are not used

The assoc_rsp buffer in struct mlme_priv is not used. There's no need to
store an incoming association response after receiving an processing it.

Remove the buffer pointer and its length from struct mlme_priv.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220515155401.352742-6-martin@kaiser.cxSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/core/rtw_mlme.c

@@ -40,7 +40,6 @@ static void rtw_free_mlme_ie_data(u8 **ppie, u32 *plen)
 void rtw_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv)
 {
 	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, &pmlmepriv->wps_probe_resp_ie_len);

drivers/staging/r8188eu/core/rtw_mlme_ext.c

@@ -1272,7 +1272,6 @@ unsigned int OnAssocRsp(struct adapter *padapter, struct recv_frame *precv_frame
 	int res;
 	unsigned short	status;
 	struct ndis_802_11_var_ie *pIE;
-	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 *cur_network = &(pmlmeinfo->network); */
@@ -1343,11 +1342,6 @@ unsigned int OnAssocRsp(struct adapter *padapter, struct recv_frame *precv_frame
 	UpdateBrateTbl(padapter, pmlmeinfo->network.SupportedRates);
 
 report_assoc_result:
-	if (res > 0)
-		rtw_buf_update(&pmlmepriv->assoc_rsp, &pmlmepriv->assoc_rsp_len, pframe, pkt_len);
-	else
-		kfree(pmlmepriv->assoc_rsp);
-
 	report_join_res(padapter, res);
 
 	return _SUCCESS;

drivers/staging/r8188eu/include/rtw_mlme.h

@@ -363,8 +363,6 @@ struct mlme_priv {
 
 	u8 *assoc_req;
 	u32 assoc_req_len;
-	u8 *assoc_rsp;
-	u32 assoc_rsp_len;
 
 	/* Number of associated Non-ERP stations (i.e., stations using 802.11b
 	 * in 802.11g BSS) */