[PATCH 1/4] staging: rtl8188eu: remove exit label from rtw_alloc_stainfo

[PATCH 1/4] staging: rtl8188eu: remove exit label from rtw_alloc_stainfo

[Michael Straube]

Remove exit label from rtw_alloc_stainfo and simply return NULL
instead of goto exit.

Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Michael Straube <straube.linux@gmail.com>
---
 drivers/staging/rtl8188eu/core/rtw_sta_mgt.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/rtl8188eu/core/rtw_sta_mgt.c b/drivers/staging/rtl8188eu/core/rtw_sta_mgt.c
index 776931b8bf72..65a824b4dfe0 100644
--- a/drivers/staging/rtl8188eu/core/rtw_sta_mgt.c
+++ b/drivers/staging/rtl8188eu/core/rtw_sta_mgt.c
@@ -181,7 +181,7 @@ struct sta_info *rtw_alloc_stainfo(struct sta_priv *pstapriv, u8 *hwaddr)
 					struct sta_info, list);
 	if (!psta) {
 		spin_unlock_bh(&pfree_sta_queue->lock);
-		goto exit;
+		return NULL;
 	}
 
 	list_del_init(&psta->list);
@@ -194,8 +194,7 @@ struct sta_info *rtw_alloc_stainfo(struct sta_priv *pstapriv, u8 *hwaddr)
 	if (index >= NUM_STA) {
 		RT_TRACE(_module_rtl871x_sta_mgt_c_, _drv_err_,
 			 ("ERROR => %s: index >= NUM_STA", __func__));
-		psta = NULL;
-		goto exit;
+		return NULL;
 	}
 	phash_list = &pstapriv->sta_hash[index];
 
@@ -246,7 +245,6 @@ struct sta_info *rtw_alloc_stainfo(struct sta_priv *pstapriv, u8 *hwaddr)
 	/* init for the sequence number of received management frame */
 	psta->RxMgmtFrameSeqNum = 0xffff;
 
-exit:
 	return psta;
 }
 
-- 
2.23.0

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[PATCH 2/4] staging: rtl8188eu: reduce indentation level in _rtw_free_sta_priv

[Michael Straube]

Reduce indentation level in _rtw_free_sta_priv by returning early if
pstapriv is NULL. Also clears a line over 80 characters checkpatch
warning.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
---
 drivers/staging/rtl8188eu/core/rtw_sta_mgt.c | 43 ++++++++++----------
 1 file changed, 21 insertions(+), 22 deletions(-)

diff --git a/drivers/staging/rtl8188eu/core/rtw_sta_mgt.c b/drivers/staging/rtl8188eu/core/rtw_sta_mgt.c
index 65a824b4dfe0..6c03068d7ed2 100644
--- a/drivers/staging/rtl8188eu/core/rtw_sta_mgt.c
+++ b/drivers/staging/rtl8188eu/core/rtw_sta_mgt.c
@@ -135,31 +135,30 @@ u32 _rtw_free_sta_priv(struct sta_priv *pstapriv)
 	struct recv_reorder_ctrl *preorder_ctrl;
 	int index;
 
-	if (pstapriv) {
-		/* delete all reordering_ctrl_timer */
-		spin_lock_bh(&pstapriv->sta_hash_lock);
-		for (index = 0; index < NUM_STA; index++) {
-			phead = &pstapriv->sta_hash[index];
-			plist = phead->next;
-
-			while (phead != plist) {
-				int i;
-
-				psta = container_of(plist, struct sta_info,
-						    hash_list);
-				plist = plist->next;
-
-				for (i = 0; i < 16; i++) {
-					preorder_ctrl = &psta->recvreorder_ctrl[i];
-					del_timer_sync(&preorder_ctrl->reordering_ctrl_timer);
-				}
+	if (!pstapriv)
+		return _SUCCESS;
+
+	/* delete all reordering_ctrl_timer */
+	spin_lock_bh(&pstapriv->sta_hash_lock);
+	for (index = 0; index < NUM_STA; index++) {
+		phead = &pstapriv->sta_hash[index];
+		plist = phead->next;
+
+		while (phead != plist) {
+			int i;
+
+			psta = container_of(plist, struct sta_info, hash_list);
+			plist = plist->next;
+
+			for (i = 0; i < 16; i++) {
+				preorder_ctrl = &psta->recvreorder_ctrl[i];
+				del_timer_sync(&preorder_ctrl->reordering_ctrl_timer);
 			}
 		}
-		spin_unlock_bh(&pstapriv->sta_hash_lock);
-		/*===============================*/
-
-		vfree(pstapriv->pallocated_stainfo_buf);
 	}
+	spin_unlock_bh(&pstapriv->sta_hash_lock);
+
+	vfree(pstapriv->pallocated_stainfo_buf);
 
 	return _SUCCESS;
 }
-- 
2.23.0

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[PATCH 3/4] staging: rtl8188eu: remove return variable from rtw_init_bcmc_stainfo

[Michael Straube]

Remove variable res, that is used to store the return value, from
rtw_init_bcmc_stainfo. Instead return _FAIL or _SUCCESS directly
and remove the now unneeded exit label.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
---
 drivers/staging/rtl8188eu/core/rtw_sta_mgt.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/rtl8188eu/core/rtw_sta_mgt.c b/drivers/staging/rtl8188eu/core/rtw_sta_mgt.c
index 6c03068d7ed2..8b7adb9e76c2 100644
--- a/drivers/staging/rtl8188eu/core/rtw_sta_mgt.c
+++ b/drivers/staging/rtl8188eu/core/rtw_sta_mgt.c
@@ -451,24 +451,21 @@ struct sta_info *rtw_get_stainfo(struct sta_priv *pstapriv, u8 *hwaddr)
 u32 rtw_init_bcmc_stainfo(struct adapter *padapter)
 {
 	struct sta_info *psta;
-	u32 res = _SUCCESS;
 	u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 	struct sta_priv *pstapriv = &padapter->stapriv;
 
 	psta = rtw_alloc_stainfo(pstapriv, bc_addr);
 
 	if (!psta) {
-		res = _FAIL;
 		RT_TRACE(_module_rtl871x_sta_mgt_c_, _drv_err_,
 			 ("rtw_alloc_stainfo fail"));
-		goto exit;
+		return _FAIL;
 	}
 
 	/*  default broadcast & multicast use macid 1 */
 	psta->mac_id = 1;
 
-exit:
-	return res;
+	return _SUCCESS;
 }
 
 struct sta_info *rtw_get_bcmc_stainfo(struct adapter *padapter)
-- 
2.23.0

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[PATCH 4/4] staging: rtl8188eu: replace tabs with spaces - style

[Michael Straube]

Replace tabs with spaces where appropriate to cleanup whitespace.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
---
 drivers/staging/rtl8188eu/core/rtw_sta_mgt.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/rtl8188eu/core/rtw_sta_mgt.c b/drivers/staging/rtl8188eu/core/rtw_sta_mgt.c
index 8b7adb9e76c2..73f2cb5ebaa6 100644
--- a/drivers/staging/rtl8188eu/core/rtw_sta_mgt.c
+++ b/drivers/staging/rtl8188eu/core/rtw_sta_mgt.c
@@ -167,7 +167,7 @@ struct sta_info *rtw_alloc_stainfo(struct sta_priv *pstapriv, u8 *hwaddr)
 {
 	s32 index;
 	struct list_head *phash_list;
-	struct sta_info	*psta;
+	struct sta_info *psta;
 	struct __queue *pfree_sta_queue;
 	struct recv_reorder_ctrl *preorder_ctrl;
 	int i = 0;
@@ -318,7 +318,7 @@ u32 rtw_free_stainfo(struct adapter *padapter, struct sta_info *psta)
 
 		spin_lock_bh(&ppending_recvframe_queue->lock);
 
-		phead =		get_list_head(ppending_recvframe_queue);
+		phead = get_list_head(ppending_recvframe_queue);
 		plist = phead->next;
 
 		while (!list_empty(phead)) {
-- 
2.23.0

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