1064 	struct task_struct *group_leader = current->group_leader;  in SYSCALL_DEFINE2()  local
1069 		pid = task_pid_vnr(group_leader);  in SYSCALL_DEFINE2()
1090 	if (same_thread_group(p->real_parent, group_leader)) {  in SYSCALL_DEFINE2()
1092 		if (task_session(p) != task_session(group_leader))  in SYSCALL_DEFINE2()
1099 		if (p != group_leader)  in SYSCALL_DEFINE2()
1113 		if (!g || task_session(g) != task_session(group_leader))  in SYSCALL_DEFINE2()
1204 	struct task_struct *curr = current->group_leader;  in set_special_pids()
1215 	struct task_struct *group_leader = current->group_leader;  in ksys_setsid()  local
1216 	struct pid *sid = task_pid(group_leader);  in ksys_setsid()
1222 	if (group_leader->signal->leader)  in ksys_setsid()
1231 	group_leader->signal->leader = 1;  in ksys_setsid()
1234 	proc_clear_tty(group_leader);  in ksys_setsid()
1240 		proc_sid_connector(group_leader);  in ksys_setsid()
1241 		sched_autogroup_create_attach(group_leader);  in ksys_setsid()
1513 	task_lock(current->group_leader);  in SYSCALL_DEFINE2()
1515 	task_unlock(current->group_leader);  in SYSCALL_DEFINE2()
1533 	task_lock(current->group_leader);  in COMPAT_SYSCALL_DEFINE2()
1535 	task_unlock(current->group_leader);  in COMPAT_SYSCALL_DEFINE2()
1610 	task_lock(tsk->group_leader);  in do_prlimit()
1626 	task_unlock(tsk->group_leader);  in do_prlimit()