diff options
| -rw-r--r-- | drivers/staging/comedi/drivers/pcl812.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/staging/comedi/drivers/pcl812.c b/drivers/staging/comedi/drivers/pcl812.c index 37cc5e4..3ffb1ea 100644 --- a/drivers/staging/comedi/drivers/pcl812.c +++ b/drivers/staging/comedi/drivers/pcl812.c @@ -559,8 +559,8 @@ static void pcl812_ai_setup_dma(struct comedi_device *dev, * unread samples and the number of samples remaining in the command. */ nsamples = comedi_nsamples_left(s, max_samples + unread_samples); - if (nsamples > max_samples) { - nsamples -= max_samples; + if (nsamples > unread_samples) { + nsamples -= unread_samples; desc->size = comedi_samples_to_bytes(s, nsamples); comedi_isadma_program(desc); } |