From 275e31b10ce20613aedceaa5160129c64b260a98 Mon Sep 17 00:00:00 2001
From: Chen Gang <gang.chen@asianux.com>
Date: Tue, 14 May 2013 19:02:45 +0800
Subject: [PATCH] kernel/irq/irqdomain.c: before use 'irq_data', need check it
 whether valid.

Since irq_data may be NULL, if so, we WARN_ON(), and continue, 'hwirq'
which related with 'irq_data' has to initialize later, or it will cause
issue.

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: Grant Likely <grant.likely@linaro.org>
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Reading git-format-patch failed