sched: Fix incorrect usage of for_each_cpu_mask() in select_fallback_rq()

The function for_each_cpu_mask() expects a *pointer* to struct
cpumask as its second argument, whereas select_fallback_rq()
passes the value itself.

And moreover, for_each_cpu_mask() has been marked as obselete
in include/linux/cpumask.h. So move to the more appropriate
for_each_cpu() variant.

Reported-by: Sasha Levin <[e-mail]>
Signed-off-by: Srivatsa S. Bhat <[e-mail]>
Acked-by: Peter Zijlstra <[e-mail]>
Cc: Dave Jones <[e-mail]>
Cc: Liu Chuansheng <[e-mail]>
Cc: [e-mail]
Cc: [e-mail]
Link: http://lkml.kernel.org/r/[e-mail]
Signed-off-by: Ingo Molnar <[e-mail]>

kernel/sched/core.c

···
 	int dest_cpu;
 
 	/* Look for allowed, online CPU in same node. */
-	for_each_cpu_mask(dest_cpu, *nodemask) {
+	for_each_cpu(dest_cpu, nodemask) {
 		if (!cpu_online(dest_cpu))
 			continue;
 		if (!cpu_active(dest_cpu))
···
 
 	for (;;) {
 		/* Any allowed, online CPU? */
-		for_each_cpu_mask(dest_cpu, *tsk_cpus_allowed(p)) {
+		for_each_cpu(dest_cpu, tsk_cpus_allowed(p)) {
 			if (!cpu_online(dest_cpu))
 				continue;
 			if (!cpu_active(dest_cpu))