switch the rest of proc_ns_operations to working with &...->ns
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/kernel/user_namespace.c b/kernel/user_namespace.c
index fde5840..1ab2209 100644
--- a/kernel/user_namespace.c
+++ b/kernel/user_namespace.c
@@ -841,6 +841,11 @@
return false;
}
+static inline struct user_namespace *to_user_ns(struct ns_common *ns)
+{
+ return container_of(ns, struct user_namespace, ns);
+}
+
static void *userns_get(struct task_struct *task)
{
struct user_namespace *user_ns;
@@ -849,17 +854,17 @@
user_ns = get_user_ns(__task_cred(task)->user_ns);
rcu_read_unlock();
- return user_ns;
+ return user_ns ? &user_ns->ns : NULL;
}
static void userns_put(void *ns)
{
- put_user_ns(ns);
+ put_user_ns(to_user_ns(ns));
}
static int userns_install(struct nsproxy *nsproxy, void *ns)
{
- struct user_namespace *user_ns = ns;
+ struct user_namespace *user_ns = to_user_ns(ns);
struct cred *cred;
/* Don't allow gaining capabilities by reentering
@@ -890,8 +895,7 @@
static unsigned int userns_inum(void *ns)
{
- struct user_namespace *user_ns = ns;
- return user_ns->ns.inum;
+ return ((struct ns_common *)ns)->inum;
}
const struct proc_ns_operations userns_operations = {
