linux-kernel - [072/107] Input: properly assign return value of clamp() macro.

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Date:	Thu, 07 Jul 2011 17:16:44 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Hans Petter Selasky <hselasky@....net>,
	Dmitry Torokhov <dtor@...l.ru>
Subject: [072/107] Input: properly assign return value of clamp() macro.

2.6.39-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Hans Petter Selasky <hselasky@....net>

commit 8c127f0717b438e6abc3d92d4ae248c4224b9dcb upstream.

[dtor@...l.ru: added mousedev changes]
Signed-off-by: Hans Petter Selasky <hselasky@....net>
Signed-off-by: Dmitry Torokhov <dtor@...l.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/input/input.c    |    2 +-
 drivers/input/mousedev.c |    4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -1757,7 +1757,7 @@ static unsigned int input_estimate_event
 	} else if (test_bit(ABS_MT_TRACKING_ID, dev->absbit)) {
 		mt_slots = dev->absinfo[ABS_MT_TRACKING_ID].maximum -
 			   dev->absinfo[ABS_MT_TRACKING_ID].minimum + 1,
-		clamp(mt_slots, 2, 32);
+		mt_slots = clamp(mt_slots, 2, 32);
 	} else if (test_bit(ABS_MT_POSITION_X, dev->absbit)) {
 		mt_slots = 2;
 	} else {
--- a/drivers/input/mousedev.c
+++ b/drivers/input/mousedev.c
@@ -187,7 +187,7 @@ static void mousedev_abs_event(struct in
 		if (size == 0)
 			size = xres ? : 1;
 
-		clamp(value, min, max);
+		value = clamp(value, min, max);
 
 		mousedev->packet.x = ((value - min) * xres) / size;
 		mousedev->packet.abs_event = 1;
@@ -201,7 +201,7 @@ static void mousedev_abs_event(struct in
 		if (size == 0)
 			size = yres ? : 1;
 
-		clamp(value, min, max);
+		value = clamp(value, min, max);
 
 		mousedev->packet.y = yres - ((value - min) * yres) / size;
 		mousedev->packet.abs_event = 1;


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