staging: vt6656: lock changes: s_nsBulkInUsbIoCompleteRead.

Use spin_lock_irqsave/spin_unlock_irqrestore

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

diff --git a/drivers/staging/vt6656/usbpipe.c b/drivers/staging/vt6656/usbpipe.c
index 934d0a9..b707470 100644 (file)
--- a/drivers/staging/vt6656/usbpipe.c
+++ b/drivers/staging/vt6656/usbpipe.c
@@ -474,6 +474,7 @@ static void s_nsBulkInUsbIoCompleteRead(struct urb *urb)
 {
        struct vnt_rcb *rcb = urb->context;
        struct vnt_private *priv = rcb->pDevice;
+       unsigned long flags;
        int re_alloc_skb = false;
 
        DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->s_nsBulkInUsbIoCompleteRead\n");
@@ -493,23 +494,23 @@ static void s_nsBulkInUsbIoCompleteRead(struct urb *urb)
        }
 
        if (urb->actual_length) {
-               spin_lock(&priv->lock);
+               spin_lock_irqsave(&priv->lock, flags);
 
                if (RXbBulkInProcessData(priv, rcb, urb->actual_length) == true)
                        re_alloc_skb = true;
 
-               spin_unlock(&priv->lock);
+               spin_unlock_irqrestore(&priv->lock, flags);
        }
 
        rcb->Ref--;
        if (rcb->Ref == 0) {
                DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"RxvFreeNormal %d\n",
                                                        priv->NumRecvFreeList);
-               spin_lock(&priv->lock);
+               spin_lock_irqsave(&priv->lock, flags);
 
                RXvFreeRCB(rcb, re_alloc_skb);
 
-               spin_unlock(&priv->lock);
+               spin_unlock_irqrestore(&priv->lock, flags);
        }
 
        return;