From: Malcolm Priestley <tvboxspy@gmail.com>
Date: Mon, 14 Oct 2013 18:51:45 +0000 (+0100)
Subject: staging: vt6656: return from workqueues on fMP_DISCONNECTED
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=17f3ced05f5ae20c619103df9718af597cf83ac4;p=linux-beck.git

staging: vt6656: return from workqueues on fMP_DISCONNECTED

Return from work queues on flag fMP_DISCONNECTED to prevent
any scheduling threads past closing of device.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/vt6656/bssdb.c b/drivers/staging/vt6656/bssdb.c
index ae0438a43ea5..e120eb2f47e9 100644
--- a/drivers/staging/vt6656/bssdb.c
+++ b/drivers/staging/vt6656/bssdb.c
@@ -824,6 +824,9 @@ void BSSvSecondCallBack(struct work_struct *work)
 	u32 uNonShortSlotSTACnt = 0;
 	u32 uLongPreambleSTACnt = 0;
 
+	if (pDevice->Flags & fMP_DISCONNECTED)
+		return;
+
     spin_lock_irq(&pDevice->lock);
 
     pDevice->uAssocCount = 0;
diff --git a/drivers/staging/vt6656/dpc.c b/drivers/staging/vt6656/dpc.c
index 82d7c1d09ef6..75dc92d64056 100644
--- a/drivers/staging/vt6656/dpc.c
+++ b/drivers/staging/vt6656/dpc.c
@@ -1339,6 +1339,9 @@ void RXvWorkItem(struct work_struct *work)
 	int ntStatus;
 	struct vnt_rcb *pRCB = NULL;
 
+	if (pDevice->Flags & fMP_DISCONNECTED)
+		return;
+
     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->Rx Polling Thread\n");
     spin_lock_irq(&pDevice->lock);
 
@@ -1398,6 +1401,9 @@ void RXvMngWorkItem(struct work_struct *work)
 	struct vnt_rx_mgmt *pRxPacket;
 	int bReAllocSkb = false;
 
+	if (pDevice->Flags & fMP_DISCONNECTED)
+		return;
+
     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->Rx Mng Thread\n");
 
     spin_lock_irq(&pDevice->lock);
diff --git a/drivers/staging/vt6656/wcmd.c b/drivers/staging/vt6656/wcmd.c
index debb87a6aba7..95d2960bd1a1 100644
--- a/drivers/staging/vt6656/wcmd.c
+++ b/drivers/staging/vt6656/wcmd.c
@@ -286,6 +286,9 @@ void vRunCommand(struct work_struct *work)
 	u8 byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
 	u8 byData;
 
+	if (pDevice->Flags & fMP_DISCONNECTED)
+		return;
+
     if (pDevice->dwDiagRefCount != 0)
         return;
     if (pDevice->bCmdRunning != true)