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neofb: 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>
pull/14/merge
Laurent Pinchart 2011-05-25 11:34:52 +02:00
parent 9f1b3ebbce
commit 4935ebf43c
1 changed files with 2 additions and 2 deletions
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4
drivers/video/neofb.c
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@ -1185,8 +1185,8 @@ static int neofb_pan_display(struct fb_var_screeninfo *var,
DBG("neofb_update_start");
Base = (var->yoffset * var->xres_virtual + var->xoffset) >> 2;
Base *= (var->bits_per_pixel + 7) / 8;
Base = (var->yoffset * info->var.xres_virtual + var->xoffset) >> 2;
Base *= (info->var.bits_per_pixel + 7) / 8;
neoUnlock();