From 20424d85f8a07090fd32c6fad343f91b63c730b0 Mon Sep 17 00:00:00 2001
From: Andreas Larsson <andreas@gaisler.com>
Date: Tue, 30 Oct 2012 00:09:46 +0000
Subject: [PATCH] sparc32, leon: Check for existent irq_map entry in
 leon_handle_ext_irq

If an irq is being unlinked concurrently with leon_handle_ext_irq,
irq_map[eirq] might be null in leon_handle_ext_irq. Make sure that
this is not dereferenced.

Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
Reading git-format-patch failed