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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2011-05-25 13:34:52 +0400
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2011-08-19 12:35:27 +0400
commit2883cebabbc4efc00408024d284a0230ad3af8a0 (patch)
tree9954c7e6165642e102551622155bb36e07955f7f
parent4541dbe154c0703cf47c43389b3544884f5f3522 (diff)
downloadlinux-2883cebabbc4efc00408024d284a0230ad3af8a0.tar.xz
vfb: 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>
-rw-r--r--drivers/video/vfb.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/video/vfb.c b/drivers/video/vfb.c
index bc67251f1a2f..bf2f78065cf9 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;