On 30/07/16 21:04, Nadim almas wrote:
This patch compresses two lines in to a single line in file
cb_pcidas.c
But this patch changes cb_pcidas64.c. Also, the Subject line says
'cd_pcidas'.
You can remove the 'drivers:' tag from the subject line to save some
space. It is sufficient to tag it as 'Staging: comedi: cb_pcidas64:'.
if immediate return statement is found. It also removes variable
bytes_written as it is no longer needed.
The patch does not remove any variables.
It is done using script Coccinelle. And coccinelle uses following
semantic patch for this compression function:
@@
expression e, ret;
@@
-ret =
+return
e;
-return ret
Signed-off-by: Nadim Almas <nadim.902@xxxxxxxxx>
---
drivers/staging/comedi/drivers/cb_pcidas64.c | 4 +---
1 files changed, 1 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/comedi/drivers/cb_pcidas64.c b/drivers/staging/comedi/drivers/cb_pcidas64.c
index 1f9c08a..d30cf3d 100644
--- a/drivers/staging/comedi/drivers/cb_pcidas64.c
+++ b/drivers/staging/comedi/drivers/cb_pcidas64.c
@@ -1408,9 +1408,7 @@ static int set_ai_fifo_size(struct comedi_device *dev, unsigned int num_samples)
if (retval < 0)
return retval;
- num_samples = retval * fifo->num_segments * fifo->sample_packing_ratio;
-
- return num_samples;
+ return retval * fifo->num_segments * fifo->sample_packing_ratio;
}
/* query length of fifo */
--
-=( Ian Abbott @ MEV Ltd. E-mail: <abbotti@xxxxxxxxx> )=-
-=( Web: http://www.mev.co.uk/ )=-
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