diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 2dba305daf3c..03f31379cebb 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -1822,11 +1822,13 @@ static int run(mddev_t *mddev)
 		return -EIO;
 	}
 
-	mddev->private = kzalloc(sizeof (raid5_conf_t)
-				 + mddev->raid_disks * sizeof(struct disk_info),
-				 GFP_KERNEL);
+	mddev->private = kzalloc(sizeof (raid5_conf_t), GFP_KERNEL);
 	if ((conf = mddev->private) == NULL)
 		goto abort;
+	conf->disks = kzalloc(mddev->raid_disks * sizeof(struct disk_info),
+			      GFP_KERNEL);
+	if (!conf->disks)
+		goto abort;
 
 	conf->mddev = mddev;
 
@@ -1966,6 +1968,7 @@ static int run(mddev_t *mddev)
 abort:
 	if (conf) {
 		print_raid5_conf(conf);
+		kfree(conf->disks);
 		kfree(conf->stripe_hashtbl);
 		kfree(conf);
 	}
@@ -1986,6 +1989,7 @@ static int stop(mddev_t *mddev)
 	kfree(conf->stripe_hashtbl);
 	blk_sync_queue(mddev->queue); /* the unplug fn references 'conf'*/
 	sysfs_remove_group(&mddev->kobj, &raid5_attrs_group);
+	kfree(conf->disks);
 	kfree(conf);
 	mddev->private = NULL;
 	return 0;
diff --git a/drivers/md/raid6main.c b/drivers/md/raid6main.c
index cd477ebf2ee4..c7632f6cc487 100644
--- a/drivers/md/raid6main.c
+++ b/drivers/md/raid6main.c
@@ -2006,11 +2006,14 @@ static int run(mddev_t *mddev)
 		return -EIO;
 	}
 
-	mddev->private = kzalloc(sizeof (raid6_conf_t)
-				 + mddev->raid_disks * sizeof(struct disk_info),
-				 GFP_KERNEL);
+	mddev->private = kzalloc(sizeof (raid6_conf_t), GFP_KERNEL);
 	if ((conf = mddev->private) == NULL)
 		goto abort;
+	conf->disks = kzalloc(mddev->raid_disks * sizeof(struct disk_info),
+				 GFP_KERNEL);
+	if (!conf->disks)
+		goto abort;
+
 	conf->mddev = mddev;
 
 	if ((conf->stripe_hashtbl = kzalloc(PAGE_SIZE, GFP_KERNEL)) == NULL)
@@ -2158,6 +2161,7 @@ abort:
 		print_raid6_conf(conf);
 		safe_put_page(conf->spare_page);
 		kfree(conf->stripe_hashtbl);
+		kfree(conf->disks);
 		kfree(conf);
 	}
 	mddev->private = NULL;
diff --git a/include/linux/raid/raid5.h b/include/linux/raid/raid5.h
index 394da8207b34..94dbdd406f12 100644
--- a/include/linux/raid/raid5.h
+++ b/include/linux/raid/raid5.h
@@ -240,7 +240,7 @@ struct raid5_private_data {
 							 * waiting for 25% to be free
 							 */        
 	spinlock_t		device_lock;
-	struct disk_info	disks[0];
+	struct disk_info	*disks;
 };
 
 typedef struct raid5_private_data raid5_conf_t;