| Message ID | 1352958582-17125-1-git-send-email-herton.krzesinski@canonical.com |
|---|---|
| State | New |
| Headers | show |
diff --git a/drivers/video/udlfb.c b/drivers/video/udlfb.c index 8af6414..38fcfff 100644 --- a/drivers/video/udlfb.c +++ b/drivers/video/udlfb.c @@ -647,7 +647,7 @@ static ssize_t dlfb_ops_write(struct fb_info *info, const char __user *buf, 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);
This is a note to let you know that I have just added a patch titled video/udlfb: fix line counting in fb_write to the linux-3.5.y-queue branch of the 3.5.yuz extended stable tree which can be found at: http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.5.y-queue If you, or anyone else, feels it should not be added to this tree, please reply to this email. For more information about the 3.5.yuz tree, see https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable Thanks. -Herton ------ From b2602f177f406940014ee3afc0780f39168ec33f Mon Sep 17 00:00:00 2001 From: Alexander Holler <holler@ahsoftware.de> Date: Tue, 14 Aug 2012 09:11:09 +0200 Subject: [PATCH] video/udlfb: fix line counting in fb_write 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 <holler@ahsoftware.de> Acked-by: Bernie Thompson <bernie@plugable.com> Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com> --- drivers/video/udlfb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -- 1.7.9.5