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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2011-05-25 11:34:52 +0200
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2011-08-19 10:31:17 +0200
commit1d4b695fa32b707b40fe2dab6a21a39bd91f4615 (patch)
tree7f41d31d2f4a886da057bbbddec3ac11f2f0b2ef
parentd8344e090c5adff3290925cbb040d20133b7f586 (diff)
gxt4500: 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/gxt4500.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/video/gxt4500.c b/drivers/video/gxt4500.c
index 896e53dea90..0fad23f810a 100644
--- a/drivers/video/gxt4500.c
+++ b/drivers/video/gxt4500.c
@@ -543,8 +543,8 @@ static int gxt4500_pan_display(struct fb_var_screeninfo *var,
if (var->xoffset & 7)
return -EINVAL;
- if (var->xoffset + var->xres > var->xres_virtual ||
- var->yoffset + var->yres > var->yres_virtual)
+ if (var->xoffset + info->var.xres > info->var.xres_virtual ||
+ var->yoffset + info->var.yres > info->var.yres_virtual)
return -EINVAL;
writereg(par, REFRESH_START, (var->xoffset << 16) | var->yoffset);