diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/pcl726.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/pcl726.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/staging/comedi/drivers/pcl726.c b/drivers/staging/comedi/drivers/pcl726.c index 07e72de982ac..50e01968f19c 100644 --- a/drivers/staging/comedi/drivers/pcl726.c +++ b/drivers/staging/comedi/drivers/pcl726.c @@ -152,11 +152,10 @@ struct pcl726_private { unsigned int ao_readback[12]; }; -#define devpriv ((struct pcl726_private *)dev->private) - static int pcl726_ao_insn(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { + struct pcl726_private *devpriv = dev->private; int hi, lo; int n; int chan = CR_CHAN(insn->chanspec); @@ -183,6 +182,7 @@ static int pcl726_ao_insn_read(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { + struct pcl726_private *devpriv = dev->private; int chan = CR_CHAN(insn->chanspec); int n; @@ -226,6 +226,7 @@ static int pcl726_do_insn_bits(struct comedi_device *dev, static int pcl726_attach(struct comedi_device *dev, struct comedi_devconfig *it) { const struct pcl726_board *board = comedi_board(dev); + struct pcl726_private *devpriv; struct comedi_subdevice *s; unsigned long iobase; unsigned int iorange; @@ -247,9 +248,10 @@ static int pcl726_attach(struct comedi_device *dev, struct comedi_devconfig *it) dev->board_name = board->name; - ret = alloc_private(dev, sizeof(struct pcl726_private)); - if (ret < 0) + devpriv = kzalloc(sizeof(*devpriv), GFP_KERNEL); + if (!devpriv) return -ENOMEM; + dev->private = devpriv; for (i = 0; i < 12; i++) { devpriv->bipolar[i] = 0; |