linux-kernel - [PATCH] V4L/DVB: use correct size in put_v4l2

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Date:	Wed, 16 Dec 2009 15:35:45 +0100
From:	Roel Kluin <roel.kluin@...il.com>
To:	Mauro Carvalho Chehab <mchehab@...radead.org>,
	linux-media@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] V4L/DVB: use correct size in put_v4l2_window32()

Although these sizes may be the same it is better to calculate the size of
the source, than the destiny.

Signed-off-by: Roel Kluin <roel.kluin@...il.com>
---
diff --git a/drivers/media/video/v4l2-compat-ioctl32.c b/drivers/media/video/v4l2-compat-ioctl32.c
index 997975d..23ad218 100644
--- a/drivers/media/video/v4l2-compat-ioctl32.c
+++ b/drivers/media/video/v4l2-compat-ioctl32.c
@@ -288,7 +288,7 @@ static int get_v4l2_window32(struct v4l2_window *kp, struct v4l2_window32 __user
 
 static int put_v4l2_window32(struct v4l2_window *kp, struct v4l2_window32 __user *up)
 {
-	if (copy_to_user(&up->w, &kp->w, sizeof(up->w)) ||
+	if (copy_to_user(&up->w, &kp->w, sizeof(kp->w)) ||
 		put_user(kp->field, &up->field) ||
 		put_user(kp->chromakey, &up->chromakey) ||
 		put_user(kp->clipcount, &up->clipcount))
--
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