staging: rtl8723au: rsp_buf wasn't used for anything - don't allocate it

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

drivers/staging/rtl8723au/core/rtw_cmd.c

@@ -175,27 +175,14 @@ int rtw_init_cmd_priv23a(struct cmd_priv *pcmdpriv)
 {
 	int res = _SUCCESS;
 
-	pcmdpriv->rsp_allocated_buf = kzalloc(MAX_RSPSZ + 4, GFP_KERNEL);
-
-	if (!pcmdpriv->rsp_allocated_buf) {
-		res = _FAIL;
-		goto exit;
-	}
-
-	pcmdpriv->rsp_buf = pcmdpriv->rsp_allocated_buf + 4 -
-			    ((unsigned long)(pcmdpriv->rsp_allocated_buf) & 3);
-
 	pcmdpriv->cmd_issued_cnt = 0;
 	pcmdpriv->cmd_done_cnt = 0;
 	pcmdpriv->rsp_cnt = 0;
 
-
 	pcmdpriv->wq = alloc_workqueue("rtl8723au", 0, 1);
 	if (!pcmdpriv->wq)
 		res = _FAIL;
 
-exit:
-
 	return res;
 }
 
@@ -205,7 +192,6 @@ static void c2h_wk_callback(struct work_struct *work);
 
 u32 rtw_init_evt_priv23a(struct evt_priv *pevtpriv)
 {
-	/* allocate DMA-able/Non-Page memory for cmd_buf and rsp_buf */
 	atomic_set(&pevtpriv->event_seq, 0);
 	pevtpriv->evt_done_cnt = 0;
 
@@ -235,9 +221,6 @@ void rtw_free_cmd_priv23a(struct cmd_priv *pcmdpriv)
 {
 	RT_TRACE(_module_rtl871x_cmd_c_, _drv_info_,
 		 ("rtw_free_cmd_priv23a\n"));
-
-	if (pcmdpriv)
-		kfree(pcmdpriv->rsp_allocated_buf);
 }
 
 static int rtw_cmd_filter(struct cmd_priv *pcmdpriv, struct cmd_obj *cmd_obj)
@@ -361,8 +344,6 @@ static void rtw_cmd_work(struct work_struct *work)
 				  pcmd_callback, pcmd->cmdcode));
 			rtw_free_cmd_obj23a(pcmd);
 		} else {
-			/* todo: !!! fill rsp_buf to pcmd->rsp
-			   if (pcmd->rsp!= NULL) */
 			/* need conider that free cmd_obj in
 			   rtw_cmd_callback */
 			pcmd_callback(pcmd->padapter, pcmd);

drivers/staging/rtl8723au/core/rtw_mlme.c

@@ -64,8 +64,6 @@ int rtw_init_mlme_priv23a(struct rtw_adapter *padapter)
 
 	memset(&pmlmepriv->assoc_ssid, 0, sizeof(struct cfg80211_ssid));
 
-	/* allocate DMA-able/Non-Page memory for cmd_buf and rsp_buf */
-
 	rtw_clear_scan_deny(padapter);
 
 	rtw_init_mlme_timer(padapter);

drivers/staging/rtl8723au/include/rtw_cmd.h

@@ -44,8 +44,6 @@ struct cmd_obj {
 
 struct cmd_priv {
 	struct workqueue_struct *wq;
-	u8	*rsp_buf;	/* shall be non-paged, and 4 bytes aligned */
-	u8	*rsp_allocated_buf;
 	u32	cmd_issued_cnt;
 	u32	cmd_done_cnt;
 	u32	rsp_cnt;