linux-kernel - [PATCH] fbdev: use correct size in do_fscreeninfo_to

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Message-ID: <4B28F3CC.90509@gmail.com>
Date:	Wed, 16 Dec 2009 15:50:52 +0100
From:	Roel Kluin <roel.kluin@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>, adaplas@....net,
	linux-fbdev@...r.kernel.org
Subject: [PATCH] fbdev: use correct size in do_fscreeninfo_to_user()

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

Signed-off-by: Roel Kluin <roel.kluin@...il.com>
---
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index 99bbd28..57959c8 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -1234,7 +1234,7 @@ static int do_fscreeninfo_to_user(struct fb_fix_screeninfo *fix,
 	__u32 data;
 	int err;
 
-	err = copy_to_user(&fix32->id, &fix->id, sizeof(fix32->id));
+	err = copy_to_user(&fix32->id, &fix->id, sizeof(fix->id));
 
 	data = (__u32) (unsigned long) fix->smem_start;
 	err |= put_user(data, &fix32->smem_start);
--
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