From: H Hartley Sweeten Date: Tue, 19 Jun 2012 00:03:17 +0000 (-0700) Subject: staging: comedi: pcmmio: quiet NULL pointer sparse noise X-Git-Tag: next-20120724~21^2~693 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=76728a93a70f23c6376c728e337fb26473737e7f;p=karo-tx-linux.git staging: comedi: pcmmio: quiet NULL pointer sparse noise 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 Cc: Ian Abbott Cc: Frank Mori Hess Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/comedi/drivers/pcmmio.c b/drivers/staging/comedi/drivers/pcmmio.c index 82a60d681eb4..3d2e6f01c4b7 100644 --- a/drivers/staging/comedi/drivers/pcmmio.c +++ b/drivers/staging/comedi/drivers/pcmmio.c @@ -512,7 +512,7 @@ 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); @@ -778,7 +778,7 @@ 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);