This function is only called by comedi_buf_read_samples(). Absorb it.
Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: Ian Abbott <abbotti@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/comedi/comedi_buf.c | 26 +++++++++-----------------
1 file changed, 9 insertions(+), 17 deletions(-)
diff --git a/drivers/staging/comedi/comedi_buf.c b/drivers/staging/comedi/comedi_buf.c
index d1303a8..9074da2 100644
--- a/drivers/staging/comedi/comedi_buf.c
+++ b/drivers/staging/comedi/comedi_buf.c
@@ -549,22 +549,6 @@ unsigned int comedi_write_array_to_buffer(struct comedi_subdevice *s,
}
EXPORT_SYMBOL_GPL(comedi_write_array_to_buffer);
-static unsigned int comedi_read_array_from_buffer(struct comedi_subdevice *s,
- void *data,
- unsigned int num_bytes)
-{
- if (num_bytes == 0)
- return 0;
-
- num_bytes = comedi_buf_read_alloc(s, num_bytes);
- comedi_buf_memcpy_from(s, 0, data, num_bytes);
- comedi_buf_read_free(s, num_bytes);
- comedi_inc_scan_progress(s, num_bytes);
- s->async->events |= COMEDI_CB_BLOCK;
-
- return num_bytes;
-}
-
/**
* comedi_buf_read_samples - read sample data from comedi buffer
* @s: comedi_subdevice struct
@@ -587,7 +571,15 @@ unsigned int comedi_buf_read_samples(struct comedi_subdevice *s,
nsamples = max_samples;
nbytes = nsamples * bytes_per_sample(s);
+ if (nbytes == 0)
+ return 0;
- return comedi_read_array_from_buffer(s, data, nbytes);
+ nbytes = comedi_buf_read_alloc(s, nbytes);
+ comedi_buf_memcpy_from(s, 0, data, nbytes);
+ comedi_buf_read_free(s, nbytes);
+ comedi_inc_scan_progress(s, nbytes);
+ s->async->events |= COMEDI_CB_BLOCK;
+
+ return nbytes;
}
EXPORT_SYMBOL_GPL(comedi_buf_read_samples);
--
2.0.3
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