diff --git a/include/linux/klist.h b/include/linux/klist.h
index fb52f9d..eebf5e5 100644
--- a/include/linux/klist.h
+++ b/include/linux/klist.h
@@ -37,6 +37,8 @@
 extern void klist_del(struct klist_node * n);
 extern void klist_remove(struct klist_node * n);
 
+extern int klist_node_attached(struct klist_node * n);
+
 
 struct klist_iter {
 	struct klist		* i_klist;
diff --git a/lib/klist.c b/lib/klist.c
index 6f76042..02177d7 100644
--- a/lib/klist.c
+++ b/lib/klist.c
@@ -112,6 +112,7 @@
 	struct klist_node * n = container_of(kref, struct klist_node, n_ref);
 	list_del(&n->n_node);
 	complete(&n->n_removed);
+	n->n_klist = NULL;
 }
 
 static int klist_dec_and_del(struct klist_node * n)
@@ -154,6 +155,19 @@
 
 
 /**
+ *	klist_node_attached - Say whether a node is bound to a list or not.
+ *	@n:	Node that we're testing.
+ */
+
+int klist_node_attached(struct klist_node * n)
+{
+	return (n->n_klist != NULL);
+}
+
+EXPORT_SYMBOL_GPL(klist_node_attached);
+
+
+/**
  *	klist_iter_init_node - Initialize a klist_iter structure.
  *	@k:	klist we're iterating.
  *	@i:	klist_iter we're filling.
@@ -246,3 +260,5 @@
 }
 
 EXPORT_SYMBOL_GPL(klist_next);
+
+