From 3593a6d64d774efb9d7ec80947607401ee6731c0 Mon Sep 17 00:00:00 2001
From: Richard Purdie <rpurdie@rpsys.net>
Date: Thu, 10 May 2007 23:46:30 +0100
Subject: [PATCH] leds: Fix trigger unregister_simple if register_simple fails

Fix led_trigger_unregister_simple to handle the case where
led_trigger_register_simple fails, avoiding a NULL pointer
dereference.

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
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