diff options
| author | Christian Brauner <brauner@kernel.org> | 2025-11-10 16:08:18 +0100 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2025-11-11 10:01:30 +0100 |
| commit | 8a30420c89a8112633b23edc6f9ceffae5cf8dad (patch) | |
| tree | 8d5804b1eaaf0f35eeba5d674b1666a73e79c9a4 | |
| parent | a657bc8a75cf40c3d0814fe6488ba4af56528f42 (diff) | |
nstree: simplify owner list iteration
Make use of list_for_each_entry_from_rcu().
Link: https://patch.msgid.link/20251110-work-namespace-nstree-fixes-v1-6-e8a9264e0fb9@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
| -rw-r--r-- | kernel/nstree.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/kernel/nstree.c b/kernel/nstree.c index 6c7ec9fbf25f..476dd738d653 100644 --- a/kernel/nstree.c +++ b/kernel/nstree.c @@ -598,11 +598,15 @@ static ssize_t do_listns_userns(struct klistns *kls) rcu_read_lock(); if (!first_ns) - first_ns = list_entry_rcu(head->next, typeof(*ns), ns_owner_node.ns_list_entry); - for (ns = first_ns; &ns->ns_owner_node.ns_list_entry != head && nr_ns_ids; - ns = list_entry_rcu(ns->ns_owner_node.ns_list_entry.next, typeof(*ns), ns_owner_node.ns_list_entry)) { + first_ns = list_entry_rcu(head->next, typeof(*first_ns), ns_owner_node.ns_list_entry); + + ns = first_ns; + list_for_each_entry_from_rcu(ns, head, ns_owner_node.ns_list_entry) { struct ns_common *valid; + if (!nr_ns_ids) + break; + valid = legitimize_ns(kls, ns); if (!valid) continue; |