Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 9c7d66fa authored by Aniroop Mathur's avatar Aniroop Mathur Committed by Dmitry Torokhov
Browse files

Input: initialize input_no to -1 to avoid subtraction 



Let's initializes input_no to -1 in order to avoid extra subtraction
operation performed every time we allocate an input device.

Signed-off-by: default avatarAniroop Mathur <aniroop.mathur@gmail.com>
Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent 8195077c

drivers/input/input.c

+2 −2
Original line number Diff line number Diff line
@@ -1775,7 +1775,7 @@ EXPORT_SYMBOL_GPL(input_class); 
 */

struct input_dev *input_allocate_device(void)

{

	static atomic_t input_no = ATOMIC_INIT(0);

	static atomic_t input_no = ATOMIC_INIT(-1);

	struct input_dev *dev;



	dev = kzalloc(sizeof(struct input_dev), GFP_KERNEL);
@@ -1790,7 +1790,7 @@ struct input_dev *input_allocate_device(void) 
		INIT_LIST_HEAD(&dev->node);



		dev_set_name(&dev->dev, "input%lu",

			     (unsigned long) atomic_inc_return(&input_no) - 1);

			     (unsigned long)atomic_inc_return(&input_no));



		__module_get(THIS_MODULE);

	}