The comedi_async 'inttrig' member is a pointer to a callback
function. NULL should be used to clear it not 0.
This quiets a number of sparse warnings about:
Warning: Using plain integer as NULL pointer
Signed-off-by: H Hartley Sweeten <[email protected]>
Cc: Ian Abbott <[email protected]>
Cc: Frank Mori Hess <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
---
drivers/staging/comedi/drivers/pcmmio.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/comedi/drivers/pcmmio.c b/drivers/staging/comedi/drivers/pcmmio.c
index 0e64d84..0e66454 100644
--- a/drivers/staging/comedi/drivers/pcmmio.c
+++ b/drivers/staging/comedi/drivers/pcmmio.c
@@ -514,7 +514,7 @@ static void pcmmio_stop_intr(struct comedi_device *dev,
subpriv->dio.intr.enabled_mask = 0;
subpriv->dio.intr.active = 0;
- s->async->inttrig = 0;
+ s->async->inttrig = NULL;
nports = subpriv->dio.intr.num_asic_chans / CHANS_PER_PORT;
firstport = subpriv->dio.intr.asic_chan / CHANS_PER_PORT;
switch_page(dev, asic, PAGE_ENAB);
@@ -780,7 +780,7 @@ pcmmio_inttrig_start_intr(struct comedi_device *dev, struct comedi_subdevice *s,
return -EINVAL;
spin_lock_irqsave(&subpriv->dio.intr.spinlock, flags);
- s->async->inttrig = 0;
+ s->async->inttrig = NULL;
if (subpriv->dio.intr.active)
event = pcmmio_start_intr(dev, s);
spin_unlock_irqrestore(&subpriv->dio.intr.spinlock, flags);
--
1.7.11