user: use ns_common_init()

Don't cargo-cult the same thing over and over.

Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>

diff --git a/kernel/user_namespace.c b/kernel/user_namespace.c
index 682f40d5632d44b983f8b2322fdfd1f7d1d47d2c..98f4fe84d039a4670d6cf6007f1dc59eca7e8b94 100644 (file)
--- a/kernel/user_namespace.c
+++ b/kernel/user_namespace.c
@@ -124,12 +124,11 @@ int create_user_ns(struct cred *new)
                goto fail_dec;
 
        ns->parent_could_setfcap = cap_raised(new->cap_effective, CAP_SETFCAP);
-       ret = ns_alloc_inum(&ns->ns);
+
+       ret = ns_common_init(&ns->ns, &userns_operations, true);
        if (ret)
                goto fail_free;
-       ns->ns.ops = &userns_operations;
 
-       refcount_set(&ns->ns.count, 1);
        /* Leave the new->user_ns reference with the new user namespace. */
        ns->parent = parent_ns;
        ns->level = parent_ns->level + 1;