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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2011-06-14 09:24:46 +0000
committerPaul Mundt <lethal@linux-sh.org>2011-06-15 15:04:15 +0900
commitaa7984cf51875bbb867485a72817bca5162fe80d (patch)
tree4c79e39f3d9834bcc43834ef96cc19816837f77d /drivers
parent1dbe8514fdb9ec6c82aa295c57886dfcf17574f1 (diff)
downloadlinux-aa7984cf51875bbb867485a72817bca5162fe80d.tar.bz2
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> Cc: Guan Xuetao <gxt@mprc.pku.edu.cn> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers')
-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 27f2c57e06e9..60a787fa32cf 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;