staging: r8188eu: remove channel parameters from rtw_sitesurvey_cmd

The rtw_sitesurvey_cmd function may receive an array of channels in the
ch and ch_num parameters. All of the callers set ch = NULL and ch_num = 0.

Remove the two parameters from rtw_sitesurvey_cmd and the code to process
them.
Tested-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220905195612.81945-1-martin@kaiser.cxSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/core/rtw_cmd.c

@@ -287,8 +287,7 @@ int rtw_cmd_thread(void *context)
  *	### NOTE:#### (!!!!)
  *	MUST TAKE CARE THAT BEFORE CALLING THIS FUNC, YOU SHOULD HAVE LOCKED pmlmepriv->lock
  */
-u8 rtw_sitesurvey_cmd(struct adapter  *padapter, struct ndis_802_11_ssid *ssid, int ssid_num,
-	struct rtw_ieee80211_channel *ch, int ch_num)
+u8 rtw_sitesurvey_cmd(struct adapter  *padapter, struct ndis_802_11_ssid *ssid, int ssid_num)
 {
 	u8 res = _FAIL;
 	struct cmd_obj		*ph2c;
@@ -330,17 +329,6 @@ u8 rtw_sitesurvey_cmd(struct adapter  *padapter, struct ndis_802_11_ssid *ssid,
 		}
 	}
 
-	/* prepare channel list */
-	if (ch) {
-		int i;
-		for (i = 0; i < ch_num && i < RTW_CHANNEL_SCAN_AMOUNT; i++) {
-			if (ch[i].hw_value && !(ch[i].flags & RTW_IEEE80211_CHAN_DISABLED)) {
-				memcpy(&psurveyPara->ch[i], &ch[i], sizeof(struct rtw_ieee80211_channel));
-				psurveyPara->ch_num++;
-			}
-		}
-	}
-
 	set_fwstate(pmlmepriv, _FW_UNDER_SURVEY);
 
 	res = rtw_enqueue_cmd(pcmdpriv, ph2c);

drivers/staging/r8188eu/core/rtw_ioctl_set.c

@@ -41,7 +41,7 @@ u8 rtw_do_join(struct adapter *padapter)
 		if (!pmlmepriv->LinkDetectInfo.bBusyTraffic ||
 		    pmlmepriv->to_roaming > 0) {
 			/*  submit site_survey_cmd */
-			ret = rtw_sitesurvey_cmd(padapter, &pmlmepriv->assoc_ssid, 1, NULL, 0);
+			ret = rtw_sitesurvey_cmd(padapter, &pmlmepriv->assoc_ssid, 1);
 			if (ret != _SUCCESS)
 				pmlmepriv->to_join = false;
 		} else {
@@ -87,7 +87,7 @@ u8 rtw_do_join(struct adapter *padapter)
 				/* we try to issue sitesurvey firstly */
 				if (!pmlmepriv->LinkDetectInfo.bBusyTraffic ||
 				    pmlmepriv->to_roaming > 0) {
-					ret = rtw_sitesurvey_cmd(padapter, &pmlmepriv->assoc_ssid, 1, NULL, 0);
+					ret = rtw_sitesurvey_cmd(padapter, &pmlmepriv->assoc_ssid, 1);
 					if (ret != _SUCCESS)
 						pmlmepriv->to_join = false;
 				} else {
@@ -358,7 +358,7 @@ u8 rtw_set_802_11_bssid_list_scan(struct adapter *padapter, struct ndis_802_11_s
 
 		spin_lock_bh(&pmlmepriv->lock);
 
-		res = rtw_sitesurvey_cmd(padapter, pssid, ssid_max_num, NULL, 0);
+		res = rtw_sitesurvey_cmd(padapter, pssid, ssid_max_num);
 
 		spin_unlock_bh(&pmlmepriv->lock);
 	}

drivers/staging/r8188eu/core/rtw_mlme.c

@@ -743,7 +743,7 @@ void rtw_surveydone_event_callback(struct adapter	*adapter, u8 *pbuf)
 			} else {
 				if (rtw_to_roaming(adapter) != 0) {
 					if (--pmlmepriv->to_roaming == 0 ||
-					    rtw_sitesurvey_cmd(adapter, &pmlmepriv->assoc_ssid, 1, NULL, 0) != _SUCCESS) {
+					    rtw_sitesurvey_cmd(adapter, &pmlmepriv->assoc_ssid, 1) != _SUCCESS) {
 						rtw_set_roaming(adapter, 0);
 						rtw_free_assoc_resources(adapter, 1);
 						rtw_indicate_disconnect(adapter);

drivers/staging/r8188eu/include/rtw_cmd.h

@@ -730,9 +730,7 @@ struct TDLSoption_param
 #define H2C_CMD_OVERFLOW	0x06
 #define H2C_RESERVED		0x07
 
-u8 rtw_sitesurvey_cmd(struct adapter  *padapter, struct ndis_802_11_ssid *ssid,
-		      int ssid_num, struct rtw_ieee80211_channel *ch,
-		      int ch_num);
+u8 rtw_sitesurvey_cmd(struct adapter  *padapter, struct ndis_802_11_ssid *ssid, int ssid_num);
 u8 rtw_createbss_cmd(struct adapter  *padapter);
 u8 rtw_setstakey_cmd(struct adapter *padapter, u8 *psta, u8 unicast_key);
 u8 rtw_clearstakey_cmd(struct adapter *padapter, u8 *psta, u8 entry, u8 enqueue);

drivers/staging/r8188eu/os_dep/ioctl_linux.c

@@ -1099,7 +1099,7 @@ static int rtw_wx_set_scan(struct net_device *dev, struct iw_request_info *a,
 
 			spin_lock_bh(&pmlmepriv->lock);
 
-			_status = rtw_sitesurvey_cmd(padapter, ssid, 1, NULL, 0);
+			_status = rtw_sitesurvey_cmd(padapter, ssid, 1);
 
 			spin_unlock_bh(&pmlmepriv->lock);
 		}