else {
int retval;
struct task_struct *p;
- struct pid_namespace *ns;
-
- ns = current->nsproxy->pid_ns;
read_lock(&tasklist_lock);
- p = find_task_by_pid_ns(pid, ns);
+ p = find_task_by_vpid(pid);
retval = -ESRCH;
if (p) {
retval = security_task_getpgid(p);
if (!retval)
- retval = task_pgrp_nr_ns(p, ns);
+ retval = task_pgrp_vnr(p);
}
read_unlock(&tasklist_lock);
return retval;
else {
int retval;
struct task_struct *p;
- struct pid_namespace *ns;
-
- ns = current->nsproxy->pid_ns;
- read_lock(&tasklist_lock);
- p = find_task_by_pid_ns(pid, ns);
+ rcu_read_lock();
+ p = find_task_by_vpid(pid);
retval = -ESRCH;
if (p) {
retval = security_task_getsid(p);
if (!retval)
- retval = task_session_nr_ns(p, ns);
+ retval = task_session_vnr(p);
}
- read_unlock(&tasklist_lock);
+ rcu_read_unlock();
return retval;
}
}
/* Fail if a process group id already exists that equals the
* proposed session id.
- *
- * Don't check if session == 1, clone(CLONE_NEWPID) creates
- * this group/session beforehand.
*/
- if (session != 1 && pid_task(sid, PIDTYPE_PGID))
+ if (pid_task(sid, PIDTYPE_PGID))
goto out;
group_leader->signal->leader = 1;