diff --git a/[refs] b/[refs]
index 97644cbbdf35..8f2ca3ffa48e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e2218350465e7e0931676b4849b594c978437bce
+refs/heads/master: ef2f80ff7325b2c1888ff02ead28957b5840bf51
diff --git a/trunk/drivers/md/linear.c b/trunk/drivers/md/linear.c
index bb2a23159b21..9db8ee0614a4 100644
--- a/trunk/drivers/md/linear.c
+++ b/trunk/drivers/md/linear.c
@@ -281,6 +281,7 @@ static int linear_stop (mddev_t *mddev)
 	rcu_barrier();
 	blk_sync_queue(mddev->queue); /* the unplug fn references 'conf'*/
 	kfree(conf);
+	mddev->private = NULL;
 
 	return 0;
 }