staging: vt6655: Remove vif check from vnt_interrupt

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>

diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c
index 1ab0e85..e49aeec 100644 (file)
--- a/drivers/staging/vt6655/device_main.c
+++ b/drivers/staging/vt6655/device_main.c
@@ -1146,8 +1146,7 @@ static irqreturn_t vnt_interrupt(int irq,  void *arg)
 {
        struct vnt_private *priv = arg;
 
-       if (priv->vif)
-               schedule_work(&priv->interrupt_work);
+       schedule_work(&priv->interrupt_work);
 
        return IRQ_HANDLED;
 }