From 25981de5b836581364612a4b1fe27db3b5d1f861 Mon Sep 17 00:00:00 2001
From: Michael Hanselmann <linux-kernel@hansmi.ch>
Date: Mon, 25 Sep 2006 16:25:07 -0700
Subject: [PATCH] [PATCH] backlight: fix oops in __mutex_lock_slowpath during
 head /sys/class/graphics/fb0/*

Seems like not all drivers use the framebuffer_alloc() function and won't
have an initialized mutex.  But those don't have a backlight, anyway.

Signed-off-by: Michael Hanselmann <linux-kernel@hansmi.ch>
Cc: Olaf Hering <olaf@aepfle.de>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Cc: Daniel R Thompson <daniel.thompson@st.com>
Cc: Jon Smirl <jonsmirl@gmail.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
Reading git-format-patch failed