From d028b6f703209dbe96201b2714ff46625877128e Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Fri, 20 Jul 2018 21:56:49 +0000 Subject: [PATCH] kobject: kset_create_and_add() - fetch ownership info from parent This change implements get_ownership() for ksets created with kset_create_and_add() call by fetching ownership data from parent kobject. This is done mostly for benefit of "queues" attribute of net devices so that corresponding directory belongs to container's root instead of global root for network devices in a container. Signed-off-by: Dmitry Torokhov Reviewed-by: Tyler Hicks Signed-off-by: David S. Miller --- lib/kobject.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/lib/kobject.c b/lib/kobject.c index f2dc1f756007..389829d3a1d1 100644 --- a/lib/kobject.c +++ b/lib/kobject.c @@ -887,9 +887,16 @@ static void kset_release(struct kobject *kobj) kfree(kset); } +void kset_get_ownership(struct kobject *kobj, kuid_t *uid, kgid_t *gid) +{ + if (kobj->parent) + kobject_get_ownership(kobj->parent, uid, gid); +} + static struct kobj_type kset_ktype = { .sysfs_ops = &kobj_sysfs_ops, - .release = kset_release, + .release = kset_release, + .get_ownership = kset_get_ownership, }; /**