diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/dt2811.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/dt2811.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/staging/comedi/drivers/dt2811.c b/drivers/staging/comedi/drivers/dt2811.c index d3a8c1aec9d6..f90ecf494aaf 100644 --- a/drivers/staging/comedi/drivers/dt2811.c +++ b/drivers/staging/comedi/drivers/dt2811.c @@ -226,8 +226,6 @@ struct dt2811_private { unsigned int ao_readback[2]; }; -#define devpriv ((struct dt2811_private *)dev->private) - static const struct comedi_lrange *dac_range_types[] = { &range_bipolar5, &range_bipolar2_5, @@ -242,6 +240,7 @@ static irqreturn_t dt2811_interrupt(int irq, void *d) int lo, hi; int data; struct comedi_device *dev = d; + struct dt2811_private *devpriv = dev->private; if (!dev->attached) { comedi_error(dev, "spurious interrupt"); @@ -318,6 +317,7 @@ int dt2811_adtrig(kdev_t minor, comedi_adtrig *adtrig) static int dt2811_ao_insn(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { + struct dt2811_private *devpriv = dev->private; int i; int chan; @@ -337,6 +337,7 @@ static int dt2811_ao_insn_read(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { + struct dt2811_private *devpriv = dev->private; int i; int chan; @@ -397,6 +398,7 @@ static int dt2811_attach(struct comedi_device *dev, struct comedi_devconfig *it) /* long flags; */ const struct dt2811_board *board = comedi_board(dev); + struct dt2811_private *devpriv; int ret; struct comedi_subdevice *s; unsigned long iobase; @@ -463,9 +465,10 @@ static int dt2811_attach(struct comedi_device *dev, struct comedi_devconfig *it) if (ret) return ret; - ret = alloc_private(dev, sizeof(struct dt2811_private)); - if (ret < 0) - return ret; + devpriv = kzalloc(sizeof(*devpriv), GFP_KERNEL); + if (!devpriv) + return -ENOMEM; + dev->private = devpriv; switch (it->options[2]) { case 0: |