Mar 04 2015

staging: comedi: drivers: remove extra parentheses around right bit shift operation 

Author: Aya Mahfouz <mahfouz.saif.elyazal@gmail.com>

Removes extra parentheses around bitwise right shift operation.
The issue was detected and resolved using the following coccinelle
script:

@@
expression e, e1;
constant c;
@@

e =
-(e1
+e1
>>
-c);
+c;

@@
identifier i;
constant c;
type t;
expression e;
@@

t i =
-(e
+e
>>
-c);
+c;

@@
expression e, e1;
identifier f;
constant c;
@@

e1 = f(...,
-(e
+e
>>
-c)
+c
,...);

Signed-off-by: Aya Mahfouz 
Signed-off-by: Greg Kroah-Hartman 

---
 drivers/staging/comedi/drivers/dt2801.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
 
diff --git a/drivers/staging/comedi/drivers/dt2801.c b/drivers/staging/comedi/drivers/dt2801.c
index b96e60f..7e565fc 100644
--- a/drivers/staging/comedi/drivers/dt2801.c
+++ b/drivers/staging/comedi/drivers/dt2801.c
@@ -280,7 +280,7 @@ static int dt2801_writedata2(struct comedi_device *dev, unsigned int data)
 	ret = dt2801_writedata(dev, data & 0xff);
 	if (ret < 0)
 		return ret;
-	ret = dt2801_writedata(dev, (data >> 8));
+	ret = dt2801_writedata(dev, data >> 8);
 	if (ret < 0)
 		return ret;

qlambert