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+ --- drivers/staging/vt6655/device_main.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c index 83f1a1cf9182..c6bb4aaf9bd0 100644 --- a/drivers/staging/vt6655/device_main.c +++ b/drivers/staging/vt6655/device_main.c @@ -1137,8 +1137,7 @@ 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);
MACvIntDisable(priv->PortOffset);