This patch compresses two lines in to a single line in file
cb_pcidas.c
if immediate return statement is found. It also removes variable
bytes_written as it is no longer needed.

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....@gmail.com>
---
 
 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 */
-- 
2.7.4

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