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>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/md/faulty.c b/drivers/md/faulty.c
index 268547dbfbd3..f26c1f9a475b 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);