diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index 9d536a8..a9735a6 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -395,8 +395,7 @@
 	};
 	struct task_struct *t;
 
-	if (atomic_read(&cb->cb_set))
-		return;
+	BUG_ON(atomic_read(&clp->cl_callback.cb_set));
 
 	/* Initialize address */
 	memset(&addr, 0, sizeof(addr));