From 465cb7e700e8564fd2d76d5c7f3703eb07659617 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Wed, 25 May 2011 11:34:52 +0200 Subject: [PATCH] fbdev: unicore32: 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 Tested-by: Guan Xuetao Acked-by: Guan Xuetao --- drivers/video/fb-puv3.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/video/fb-puv3.c b/drivers/video/fb-puv3.c index 27f2c57e06e..60a787fa32c 100644 --- a/drivers/video/fb-puv3.c +++ b/drivers/video/fb-puv3.c @@ -624,8 +624,8 @@ static int unifb_pan_display(struct fb_var_screeninfo *var, || var->xoffset) return -EINVAL; } else { - if (var->xoffset + var->xres > info->var.xres_virtual || - var->yoffset + var->yres > info->var.yres_virtual) + if (var->xoffset + info->var.xres > info->var.xres_virtual || + var->yoffset + info->var.yres > info->var.yres_virtual) return -EINVAL; } info->var.xoffset = var->xoffset; -- 2.39.2