From 08ff39f1c8f2134f7d0f38123ca5952371665cc5 Mon Sep 17 00:00:00 2001
From: Sven Wegener <sven.wegener@stealer.net>
Date: Thu, 16 Oct 2008 14:16:53 +1100
Subject: md: check for memory allocation failure in faulty personality

It's a fault injection module, but I don't think we should oops here.

Signed-off-by: Sven Wegener <sven.wegener@stealer.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Neil Brown <neilb@suse.de>
---
 drivers/md/faulty.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/md/faulty.c b/drivers/md/faulty.c
index 268547dbfbd..f26c1f9a475 100644
--- a/drivers/md/faulty.c
+++ b/drivers/md/faulty.c
@@ -287,6 +287,8 @@ static int run(mddev_t *mddev)
 	int i;
 
 	conf_t *conf = kmalloc(sizeof(*conf), GFP_KERNEL);
+	if (!conf)
+		return -ENOMEM;
 
 	for (i=0; i<Modes; i++) {
 		atomic_set(&conf->counters[i], 0);
-- 
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