diff options
Diffstat (limited to 'lib/klist.c')
| -rw-r--r-- | lib/klist.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/lib/klist.c b/lib/klist.c index 6f760424648b..02177d72dc89 100644 --- a/lib/klist.c +++ b/lib/klist.c @@ -112,6 +112,7 @@ static void klist_release(struct kref * kref) 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 @@ EXPORT_SYMBOL_GPL(klist_remove); /** + * 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 @@ struct klist_node * klist_next(struct klist_iter * i) } EXPORT_SYMBOL_GPL(klist_next); + + |