From d2562922c43def0cce090dd20901799a1312da70 Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Wed, 31 Oct 2018 00:55:19 +0000 Subject: [PATCH] kobject: kset_create_and_add() - fetch ownership info from parent BugLink: https://launchpad.net/bugs/1784501 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 (cherry picked from commit d028b6f703209dbe96201b2714ff46625877128e) Signed-off-by: Tyler Hicks Acked-by: Kleber Souza Acked-by: Stefan Bader Signed-off-by: Khalid Elmously --- lib/kobject.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/lib/kobject.c b/lib/kobject.c index 4a530e93a0ce..65edcc833431 100644 --- a/lib/kobject.c +++ b/lib/kobject.c @@ -891,9 +891,16 @@ 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, }; /** -- 2.39.2