linux-kernel - [PATCH v2 16/30] staging: rtl8723bs: tidy up some error handling

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Date:   Fri,  2 Apr 2021 19:29:58 +0200
From:   Fabio Aiuto <fabioaiuto83@...il.com>
To:     gregkh@...uxfoundation.org
Cc:     dan.carpenter@...cle.com, joe@...ches.com,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Fabio Aiuto <fabioaiuto83@...il.com>
Subject: [PATCH v2 16/30] staging: rtl8723bs: tidy up some error handling

the RT_TRACE() output is not useful so we want to delete it. In this case
there is no cleanup for rtw_cleanbss_cmd() required or even possible. I've
deleted the RT_TRACE() output and added a goto unlock to show
that we can't continue if rtw_createbss_cmd() fails.

Signed-off-by: Fabio Aiuto <fabioaiuto83@...il.com>
---
 drivers/staging/rtl8723bs/core/rtw_mlme.c | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/rtl8723bs/core/rtw_mlme.c b/drivers/staging/rtl8723bs/core/rtw_mlme.c
index e8a39519fed8..e6bced0269b1 100644
--- a/drivers/staging/rtl8723bs/core/rtw_mlme.c
+++ b/drivers/staging/rtl8723bs/core/rtw_mlme.c
@@ -815,6 +815,7 @@ void rtw_surveydone_event_callback(struct adapter	*adapter, u8 *pbuf)
 				if (rtw_select_and_join_from_scanned_queue(pmlmepriv) == _SUCCESS) {
 					_set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
 				} else {
+					u8 ret = _SUCCESS;
 					struct wlan_bssid_ex    *pdev_network = &(adapter->registrypriv.dev_network);
 					u8 *pibss = adapter->registrypriv.dev_network.MacAddress;
 
@@ -828,10 +829,11 @@ void rtw_surveydone_event_callback(struct adapter	*adapter, u8 *pbuf)
 
 					pmlmepriv->fw_state = WIFI_ADHOC_MASTER_STATE;
 
-					if (rtw_createbss_cmd(adapter) != _SUCCESS)
-						;
-
 					pmlmepriv->to_join = false;
+
+					ret = rtw_createbss_cmd(adapter);
+					if (ret != _SUCCESS)
+						goto unlock;
 				}
 			}
 		} else {
@@ -877,7 +879,7 @@ void rtw_surveydone_event_callback(struct adapter	*adapter, u8 *pbuf)
 	}
 
 	/* DBG_871X("scan complete in %dms\n", jiffies_to_msecs(jiffies - pmlmepriv->scan_start_time)); */
-
+unlock:
 	spin_unlock_bh(&pmlmepriv->lock);
 
 	rtw_os_xmit_schedule(adapter);
@@ -1564,6 +1566,7 @@ void rtw_stadel_event_callback(struct adapter *adapter, u8 *pbuf)
 		rtw_free_stainfo(adapter,  psta);
 
 		if (adapter->stapriv.asoc_sta_count == 1) {/* a sta + bc/mc_stainfo (not Ibss_stainfo) */
+			u8 ret = _SUCCESS;
 			/* rtw_indicate_disconnect(adapter);removed@...91105 */
 			spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
 			/* free old ibss network */
@@ -1591,12 +1594,14 @@ void rtw_stadel_event_callback(struct adapter *adapter, u8 *pbuf)
 				_clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE);
 			}
 
-			if (rtw_createbss_cmd(adapter) != _SUCCESS)
-				;
+			ret = rtw_createbss_cmd(adapter);
+			if (ret != _SUCCESS)
+				goto unlock;
 		}
 
 	}
 
+unlock:
 	spin_unlock_bh(&pmlmepriv->lock);
 }
 
-- 
2.20.1