staging: comedi: Remove if condition.

Author: Navya Sri Nizamkari <navyasri.tech@gmail.com>

This patch removes a if condition which has a semicolon
after it. As the conditional check is redundant, the comment
before it is also changed. The following
coccinelle script was used to detect the pattern of a
semicolon after if.

@r1@
position p;
@@
if (...);@p
@script:python@
p0 << r1.p;
@@
// Emacs org-mode output
cocci.print_main("", p0)
cocci.print_secs("", p0)

Signed-off-by: Navya Sri Nizamkari 
Signed-off-by: Greg Kroah-Hartman 
---
 drivers/staging/comedi/drivers/das1800.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
 
diff --git a/drivers/staging/comedi/drivers/das1800.c b/drivers/staging/comedi/drivers/das1800.c
index 3eb02e8..ca4f322 100644
--- a/drivers/staging/comedi/drivers/das1800.c
+++ b/drivers/staging/comedi/drivers/das1800.c
@@ -489,9 +489,7 @@ static void das1800_handle_fifo_not_empty(struct comedi_device *dev,
 
 	while (inb(dev->iobase + DAS1800_STATUS) & FNE) {
 		dpnt = inw(dev->iobase + DAS1800_FIFO);
-		/* convert to unsigned type if we are in a bipolar mode */
-		if (!unipolar)
-			;
+		/* convert to unsigned type */
 		dpnt = munge_bipolar_sample(dev, dpnt);
 		comedi_buf_write_samples(s, &dpnt, 1);