From 1dbe8514fdb9ec6c82aa295c57886dfcf17574f1 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Tue, 14 Jun 2011 09:24:41 +0000 Subject: [PATCH] acornfb: 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 Signed-off-by: Paul Mundt --- drivers/video/acornfb.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/video/acornfb.c b/drivers/video/acornfb.c index 3bacc1290548..b303f1715065 100644 --- a/drivers/video/acornfb.c +++ b/drivers/video/acornfb.c @@ -850,9 +850,9 @@ acornfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) u_int y_bottom = var->yoffset; if (!(var->vmode & FB_VMODE_YWRAP)) - y_bottom += var->yres; + y_bottom += info->var.yres; - if (y_bottom > var->yres_virtual) + if (y_bottom > info->var.yres_virtual) return -EINVAL; acornfb_update_dma(info, var); -- 2.39.5