diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/rti802.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/rti802.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/staging/comedi/drivers/rti802.c b/drivers/staging/comedi/drivers/rti802.c index 3f9d0278be50..2185ca1bcf02 100644 --- a/drivers/staging/comedi/drivers/rti802.c +++ b/drivers/staging/comedi/drivers/rti802.c @@ -55,12 +55,11 @@ struct rti802_private { unsigned int ao_readback[8]; }; -#define devpriv ((struct rti802_private *)dev->private) - static int rti802_ao_insn_read(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { + struct rti802_private *devpriv = dev->private; int i; for (i = 0; i < insn->n; i++) @@ -73,6 +72,7 @@ static int rti802_ao_insn_write(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { + struct rti802_private *devpriv = dev->private; int i, d; int chan = CR_CHAN(insn->chanspec); @@ -89,6 +89,7 @@ static int rti802_ao_insn_write(struct comedi_device *dev, static int rti802_attach(struct comedi_device *dev, struct comedi_devconfig *it) { + struct rti802_private *devpriv; struct comedi_subdevice *s; int i; unsigned long iobase; @@ -104,8 +105,10 @@ static int rti802_attach(struct comedi_device *dev, struct comedi_devconfig *it) dev->board_name = "rti802"; - if (alloc_private(dev, sizeof(struct rti802_private))) + devpriv = kzalloc(sizeof(*devpriv), GFP_KERNEL); + if (!devpriv) return -ENOMEM; + dev->private = devpriv; ret = comedi_alloc_subdevices(dev, 1); if (ret) |