pid_namespace.c (af4b8a83add95ef40716401395b44a1b579965f4) pid_namespace.c (225778d68d98e7cfe2579f8d8b2d7b76f8541b8b)
1/*
2 * Pid namespaces
3 *
4 * Authors:
5 * (C) 2007 Pavel Emelyanov <xemul@openvz.org>, OpenVZ, SWsoft Inc.
6 * (C) 2007 Sukadev Bhattiprolu <sukadev@us.ibm.com>, IBM
7 * Many thanks to Oleg Nesterov for comments and help
8 *

--- 132 unchanged lines hidden (view full) ---

141
142struct pid_namespace *copy_pid_ns(unsigned long flags,
143 struct user_namespace *user_ns, struct pid_namespace *old_ns)
144{
145 if (!(flags & CLONE_NEWPID))
146 return get_pid_ns(old_ns);
147 if (flags & (CLONE_THREAD|CLONE_PARENT))
148 return ERR_PTR(-EINVAL);
1/*
2 * Pid namespaces
3 *
4 * Authors:
5 * (C) 2007 Pavel Emelyanov <xemul@openvz.org>, OpenVZ, SWsoft Inc.
6 * (C) 2007 Sukadev Bhattiprolu <sukadev@us.ibm.com>, IBM
7 * Many thanks to Oleg Nesterov for comments and help
8 *

--- 132 unchanged lines hidden (view full) ---

141
142struct pid_namespace *copy_pid_ns(unsigned long flags,
143 struct user_namespace *user_ns, struct pid_namespace *old_ns)
144{
145 if (!(flags & CLONE_NEWPID))
146 return get_pid_ns(old_ns);
147 if (flags & (CLONE_THREAD|CLONE_PARENT))
148 return ERR_PTR(-EINVAL);
149 if (task_active_pid_ns(current) != old_ns)
150 return ERR_PTR(-EINVAL);
149 return create_pid_namespace(user_ns, old_ns);
150}
151
152static void free_pid_ns(struct kref *kref)
153{
154 struct pid_namespace *ns;
155
156 ns = container_of(kref, struct pid_namespace, kref);

--- 156 unchanged lines hidden --- 		151 return create_pid_namespace(user_ns, old_ns);
152}
153
154static void free_pid_ns(struct kref *kref)
155{
156 struct pid_namespace *ns;
157
158 ns = container_of(kref, struct pid_namespace, kref);

--- 156 unchanged lines hidden ---