* [PATCH 25/29] vfb: use display information in info not in var for panning
@ 2011-05-25 22:58 Laurent Pinchart
0 siblings, 0 replies; only message in thread
From: Laurent Pinchart @ 2011-05-25 22:58 UTC (permalink / raw)
To: linux-fbdev
We must not use any information in the passed var besides xoffset,
yoffset and vmode as otherwise applications might abuse it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
drivers/video/vfb.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/video/vfb.c b/drivers/video/vfb.c
index bc67251..bf2f780 100644
--- a/drivers/video/vfb.c
+++ b/drivers/video/vfb.c
@@ -395,8 +395,8 @@ static int vfb_pan_display(struct fb_var_screeninfo *var,
|| var->xoffset)
return -EINVAL;
} else {
- if (var->xoffset + var->xres > info->var.xres_virtual ||
- var->yoffset + var->yres > info->var.yres_virtual)
+ if (var->xoffset + info->var.xres > info->var.xres_virtual ||
+ var->yoffset + info->var.yres > info->var.yres_virtual)
return -EINVAL;
}
info->var.xoffset = var->xoffset;
--
1.7.3.4
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2011-05-25 22:58 [PATCH 25/29] vfb: use display information in info not in var for panning Laurent Pinchart
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