aboutsummaryrefslogtreecommitdiff
path: root/drivers/video/fb-puv3.c
diff options
context:
space:
mode:
authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2011-05-25 11:34:52 +0200
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2011-08-19 10:31:01 +0200
commit465cb7e700e8564fd2d76d5c7f3703eb07659617 (patch)
tree9f4c8df143a71eac0e61515aab660b650241cd48 /drivers/video/fb-puv3.c
parent8b76c6827991858a52841b6c20fea91a12499d6f (diff)
fbdev: unicore32: use display information in info not in var for panning
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> Tested-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Acked-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Diffstat (limited to 'drivers/video/fb-puv3.c')
-rw-r--r--drivers/video/fb-puv3.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/video/fb-puv3.c b/drivers/video/fb-puv3.c
index 27f2c57e06e..60a787fa32c 100644
--- a/drivers/video/fb-puv3.c
+++ b/drivers/video/fb-puv3.c
@@ -624,8 +624,8 @@ static int unifb_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;