4.4-stable review patch. If anyone has any objections, please let me know.
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From: Malcolm Priestley tvboxspy@gmail.com
commit cc26358f89c3e493b54766b1ca56cfc6b14db78a upstream.
A check for vif is made in vnt_interrupt_work.
There is a small chance of leaving interrupt disabled while vif is NULL and the work hasn't been scheduled.
Signed-off-by: Malcolm Priestley tvboxspy@gmail.com CC: stable@vger.kernel.org # v4.2+ Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/staging/vt6655/device_main.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
--- a/drivers/staging/vt6655/device_main.c +++ b/drivers/staging/vt6655/device_main.c @@ -1079,8 +1079,7 @@ static irqreturn_t vnt_interrupt(int irq { struct vnt_private *priv = arg;
- if (priv->vif) - schedule_work(&priv->interrupt_work); + schedule_work(&priv->interrupt_work);
return IRQ_HANDLED; }