Merge "sched/walt: Fix use after free in trace_sched_update_task_ravg()"

/* Copyright (c) 2012-2017, The Linux Foundation. All rights reserved.

/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and

		update_task_burst(p, rq, event, runtime);

	update_cpu_busy_time(p, rq, event, wallclock, irqtime);

	update_task_pred_demand(rq, p, event);

done:

	if (exiting_task(p))

		goto done;

	trace_sched_update_task_ravg(p, rq, event, wallclock, irqtime,

				     rq->cc.cycles, rq->cc.time,

				     p->grp ? &rq->grp_time : NULL);

done:

	p->ravg.mark_start = wallclock;

}