From 4541dbe154c0703cf47c43389b3544884f5f3522 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Wed, 25 May 2011 11:34:52 +0200 Subject: [PATCH] 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 --- drivers/video/tridentfb.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/video/tridentfb.c b/drivers/video/tridentfb.c index c6c77562839d..34cf019bba44 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; -- 2.11.0