Commit a1bb7010 authored Jun 14, 2011 by Laurent Pinchart Committed by Paul Mundt Jun 15, 2011

acornfb: Dont BUG() on invalid pan parameters



The driver currently BUG()s if the pan parameters passed directly from
userspace are invalid. Return -EINVAL instead.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

parent c42a3d54

drivers/video/acornfb.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -852,7 +852,8 @@ acornfb_pan_display(struct fb_var_screeninfo var, struct fb_info info)
		if (!(var->vmode & FB_VMODE_YWRAP))
		y_bottom += var->yres;

		BUG_ON(y_bottom > var->yres_virtual);
		if (y_bottom > var->yres_virtual)
		return -EINVAL;

		acornfb_update_dma(info, var);