From 8b0c250be489dcbf1a3a33bb4ec4c7f33735a365 Mon Sep 17 00:00:00 2001 From: "mochel@digitalimplant.org" Date: Thu, 24 Mar 2005 12:58:57 -0800 Subject: [PATCH] add klist_node_attached() to determine if a node is on a list or not. Signed-off-by: Patrick Mochel Signed-off-by: Greg Kroah-Hartman diff -Nru a/include/linux/klist.h b/include/linux/klist.h --- lib/klist.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'lib') diff --git a/lib/klist.c b/lib/klist.c index 6f760424648..02177d72dc8 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) @@ -153,6 +154,19 @@ void klist_remove(struct klist_node * n) 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. @@ -246,3 +260,5 @@ struct klist_node * klist_next(struct klist_iter * i) } EXPORT_SYMBOL_GPL(klist_next); + + -- cgit v1.2.3-70-g09d2