diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/ni_labpc.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/ni_labpc.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/staging/comedi/drivers/ni_labpc.c b/drivers/staging/comedi/drivers/ni_labpc.c index f851c54b0c33..f957b8859b3d 100644 --- a/drivers/staging/comedi/drivers/ni_labpc.c +++ b/drivers/staging/comedi/drivers/ni_labpc.c @@ -570,13 +570,11 @@ int labpc_common_attach(struct comedi_device *dev, unsigned long iobase, return -EINVAL; } else if (dma_chan) { /* allocate dma buffer */ - devpriv->dma_buffer = - kmalloc(dma_buffer_size, GFP_KERNEL | GFP_DMA); - if (devpriv->dma_buffer == NULL) { - dev_err(dev->class_dev, - "failed to allocate dma buffer\n"); + devpriv->dma_buffer = kmalloc(dma_buffer_size, + GFP_KERNEL | GFP_DMA); + if (devpriv->dma_buffer == NULL) return -ENOMEM; - } + if (request_dma(dma_chan, DRV_NAME)) { dev_err(dev->class_dev, "failed to allocate dma channel %u\n", |