diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/pcmad.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/pcmad.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/staging/comedi/drivers/pcmad.c b/drivers/staging/comedi/drivers/pcmad.c index 5efeb9205c2e..13e84215fac3 100644 --- a/drivers/staging/comedi/drivers/pcmad.c +++ b/drivers/staging/comedi/drivers/pcmad.c @@ -62,7 +62,6 @@ struct pcmad_priv_struct { int differential; int twos_comp; }; -#define devpriv ((struct pcmad_priv_struct *)dev->private) #define TIMEOUT 100 @@ -71,6 +70,7 @@ static int pcmad_ai_insn_read(struct comedi_device *dev, struct comedi_insn *insn, unsigned int *data) { const struct pcmad_board_struct *board = comedi_board(dev); + struct pcmad_priv_struct *devpriv = dev->private; int i; int chan; int n; @@ -104,6 +104,7 @@ static int pcmad_ai_insn_read(struct comedi_device *dev, static int pcmad_attach(struct comedi_device *dev, struct comedi_devconfig *it) { const struct pcmad_board_struct *board = comedi_board(dev); + struct pcmad_priv_struct *devpriv; int ret; struct comedi_subdevice *s; unsigned long iobase; @@ -121,9 +122,10 @@ static int pcmad_attach(struct comedi_device *dev, struct comedi_devconfig *it) if (ret) return ret; - ret = alloc_private(dev, sizeof(struct pcmad_priv_struct)); - if (ret < 0) - return ret; + devpriv = kzalloc(sizeof(*devpriv), GFP_KERNEL); + if (!devpriv) + return -ENOMEM; + dev->private = devpriv; dev->board_name = board->name; |