diff options
| -rw-r--r-- | drivers/staging/comedi/comedi_buf.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/staging/comedi/comedi_buf.c b/drivers/staging/comedi/comedi_buf.c index d45a4b65e8d3..4837559ac6b8 100644 --- a/drivers/staging/comedi/comedi_buf.c +++ b/drivers/staging/comedi/comedi_buf.c @@ -245,7 +245,7 @@ void comedi_buf_reset(struct comedi_subdevice *s) async->events = 0; } -static unsigned int comedi_buf_write_n_available(struct comedi_subdevice *s) +static unsigned int comedi_buf_write_n_unalloc(struct comedi_subdevice *s) { struct comedi_async *async = s->async; unsigned int free_end = async->buf_read_count + async->prealloc_bufsz; @@ -268,10 +268,10 @@ unsigned int comedi_buf_write_alloc(struct comedi_subdevice *s, unsigned int nbytes) { struct comedi_async *async = s->async; - unsigned int available = comedi_buf_write_n_available(s); + unsigned int unalloc = comedi_buf_write_n_unalloc(s); - if (nbytes > available) - nbytes = available; + if (nbytes > unalloc) + nbytes = unalloc; async->buf_write_alloc_count += nbytes; @@ -557,8 +557,7 @@ unsigned int comedi_buf_write_samples(struct comedi_subdevice *s, * If not, clamp the nsamples to the number that will fit, flag the * buffer overrun and add the samples that fit. */ - max_samples = comedi_bytes_to_samples(s, - comedi_buf_write_n_available(s)); + max_samples = comedi_bytes_to_samples(s, comedi_buf_write_n_unalloc(s)); if (nsamples > max_samples) { dev_warn(s->device->class_dev, "buffer overrun\n"); s->async->events |= COMEDI_CB_OVERFLOW; |