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 <hsweeten@xxxxxxxxxxxxxxxxxxx> Cc: Ian Abbott <abbotti@xxxxxxxxx> Cc: Frank Mori Hess <fmhess@xxxxxxxxxxxxxxxxxxxxx> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- 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 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel