From 29b02373f44d0d873a4f645b53c3cddce2f40f7b Mon Sep 17 00:00:00 2001 From: Malcolm Priestley Date: Thu, 15 May 2014 22:49:20 +0100 Subject: [PATCH] staging: vt6656: lock changes: s_nsBulkInUsbIoCompleteRead. Use spin_lock_irqsave/spin_unlock_irqrestore Signed-off-by: Malcolm Priestley Signed-off-by: Greg Kroah-Hartman --- drivers/staging/vt6656/usbpipe.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/staging/vt6656/usbpipe.c b/drivers/staging/vt6656/usbpipe.c index 934d0a92363b..b707470143af 100644 --- 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; -- 2.34.1