diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/multiq3.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/multiq3.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/staging/comedi/drivers/multiq3.c b/drivers/staging/comedi/drivers/multiq3.c index 4625cb4d07c6..1f5f402f3d17 100644 --- a/drivers/staging/comedi/drivers/multiq3.c +++ b/drivers/staging/comedi/drivers/multiq3.c @@ -86,7 +86,6 @@ Devices: [Quanser Consulting] MultiQ-3 (multiq3) struct multiq3_private { unsigned int ao_readback[2]; }; -#define devpriv ((struct multiq3_private *)dev->private) static int multiq3_ai_insn_read(struct comedi_device *dev, struct comedi_subdevice *s, @@ -129,6 +128,7 @@ static int multiq3_ao_insn_read(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { + struct multiq3_private *devpriv = dev->private; int i; int chan = CR_CHAN(insn->chanspec); @@ -142,6 +142,7 @@ static int multiq3_ao_insn_write(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { + struct multiq3_private *devpriv = dev->private; int i; int chan = CR_CHAN(insn->chanspec); @@ -230,6 +231,7 @@ static void encoder_reset(struct comedi_device *dev) static int multiq3_attach(struct comedi_device *dev, struct comedi_devconfig *it) { + struct multiq3_private *devpriv; int result = 0; unsigned long iobase; unsigned int irq; @@ -256,9 +258,10 @@ static int multiq3_attach(struct comedi_device *dev, if (result) return result; - result = alloc_private(dev, sizeof(struct multiq3_private)); - if (result < 0) - return result; + devpriv = kzalloc(sizeof(*devpriv), GFP_KERNEL); + if (!devpriv) + return -ENOMEM; + dev->private = devpriv; s = &dev->subdevices[0]; /* ai subdevice */ |