This is a note to let you know that I've just added the patch titled
video/udlfb: fix line counting in fb_write
to the 3.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
video-udlfb-fix-line-counting-in-fb_write.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From b8c4321f3d194469007f5f5f2b34ec278c264a04 Mon Sep 17 00:00:00 2001
From: Alexander Holler <[email protected]>
Date: Tue, 14 Aug 2012 09:11:09 +0200
Subject: video/udlfb: fix line counting in fb_write
From: Alexander Holler <[email protected]>
commit b8c4321f3d194469007f5f5f2b34ec278c264a04 upstream.
Line 0 and 1 were both written to line 0 (on the display) and all subsequent
lines had an offset of -1. The result was that the last line on the display
was never overwritten by writes to /dev/fbN.
Signed-off-by: Alexander Holler <[email protected]>
Acked-by: Bernie Thompson <[email protected]>
Signed-off-by: Florian Tobias Schandinat <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/video/udlfb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/video/udlfb.c
+++ b/drivers/video/udlfb.c
@@ -647,7 +647,7 @@ static ssize_t dlfb_ops_write(struct fb_
result = fb_sys_write(info, buf, count, ppos);
if (result > 0) {
- int start = max((int)(offset / info->fix.line_length) - 1, 0);
+ int start = max((int)(offset / info->fix.line_length), 0);
int lines = min((u32)((result / info->fix.line_length) + 1),
(u32)info->var.yres);
Patches currently in stable-queue which might be from [email protected] are
queue-3.4/video-udlfb-fix-line-counting-in-fb_write.patch
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