3.2-stable review patch. If anyone has any objections, please let me know.
------------------
From: Alexander Holler <hol...@ahsoftware.de>
commit 2fe2d9f47cfe1a3e66e7d087368b3d7155b04c15 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.
The origin of this bug seems to have been udlfb.
Signed-off-by: Alexander Holler <hol...@ahsoftware.de>
Signed-off-by: Florian Tobias Schandinat <florianschandi...@gmx.de>
Signed-off-by: Ben Hutchings <b...@decadent.org.uk>
---
drivers/video/smscufx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/video/smscufx.c b/drivers/video/smscufx.c
index af3ef27..f39e069 100644
--- a/drivers/video/smscufx.c
+++ b/drivers/video/smscufx.c
@@ -904,7 +904,7 @@ static ssize_t ufx_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);
--
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