1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/md/raid6main.c b/drivers/md/raid6main.c
index c7632f6cc487..6df4930fddec 100644
--- a/drivers/md/raid6main.c
+++ b/drivers/md/raid6main.c
@@ -331,9 +331,9 @@ static int grow_stripes(raid6_conf_t *conf, int num)
         kmem_cache_t *sc;
         int devs = conf->raid_disks;
 
-        sprintf(conf->cache_name, "raid6/%s", mdname(conf->mddev));
+        sprintf(conf->cache_name[0], "raid6/%s", mdname(conf->mddev));
 
-        sc = kmem_cache_create(conf->cache_name,
+        sc = kmem_cache_create(conf->cache_name[0],
                                sizeof(struct stripe_head)+(devs-1)*sizeof(struct r5dev),
                                0, 0, NULL, NULL);
         if (!sc)