From e4c735af0076923643af48577fc9ad6e123a55fa Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Tue, 14 Jun 2011 09:25:02 +0000 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 Cc: Krzysztof Helt Signed-off-by: Paul Mundt --- 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 c6c7756..34cf019 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; -- 2.7.4