[PATCH 09/32] cgroup: use ns_common_init()
From: Christian Brauner <brauner@kernel.org>
Date: 2025-09-10 14:37:59
Also in:
cgroups, linux-block, linux-fsdevel, linux-kselftest, linux-nfs, lkml
Subsystem:
control group (cgroup), the rest · Maintainers:
Tejun Heo, Johannes Weiner, Michal Koutný, Linus Torvalds
Don't cargo-cult the same thing over and over. Signed-off-by: Christian Brauner <brauner@kernel.org> --- kernel/cgroup/namespace.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/kernel/cgroup/namespace.c b/kernel/cgroup/namespace.c
index 144a464e45c6..0391b6ab0bf1 100644
--- a/kernel/cgroup/namespace.c
+++ b/kernel/cgroup/namespace.c@@ -21,20 +21,16 @@ static void dec_cgroup_namespaces(struct ucounts *ucounts) static struct cgroup_namespace *alloc_cgroup_ns(void) { - struct cgroup_namespace *new_ns; + struct cgroup_namespace *new_ns __free(kfree) = NULL; int ret; new_ns = kzalloc(sizeof(struct cgroup_namespace), GFP_KERNEL_ACCOUNT); if (!new_ns) return ERR_PTR(-ENOMEM); - ret = ns_alloc_inum(&new_ns->ns); - if (ret) { - kfree(new_ns); + ret = ns_common_init(&new_ns->ns, &cgroupns_operations, true); + if (ret) return ERR_PTR(ret); - } - refcount_set(&new_ns->ns.count, 1); - new_ns->ns.ops = &cgroupns_operations; - return new_ns; + return no_free_ptr(new_ns); } void free_cgroup_ns(struct cgroup_namespace *ns)
--
2.47.3