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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 10:35:18 +0200
commit4541dbe154c0703cf47c43389b3544884f5f3522 (patch)
tree1595f1cfa8427dcd0742a0dfdeb070325f66d405 /drivers/video/tridentfb.c
parent0aa76b0ce163f929b4e8f41331073814b0ef8612 (diff)
downloadlinux-4541dbe154c0703cf47c43389b3544884f5f3522.tar.gz
tridentfb: 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>
Diffstat (limited to 'drivers/video/tridentfb.c')
-rw-r--r--drivers/video/tridentfb.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/video/tridentfb.c b/drivers/video/tridentfb.c
index c6c77562839..34cf019bba4 100644
--- a/drivers/video/tridentfb.c
+++ b/drivers/video/tridentfb.c
@@ -987,8 +987,8 @@ static int tridentfb_pan_display(struct fb_var_screeninfo *var,
unsigned int offset;
debug("enter\n");
- offset = (var->xoffset + (var->yoffset * var->xres_virtual))
- * var->bits_per_pixel / 32;
+ offset = (var->xoffset + (var->yoffset * info->var.xres_virtual))
+ * info->var.bits_per_pixel / 32;
set_screen_start(par, offset);
debug("exit\n");
return 0;