[patch-rt] sched: fix ->nr_cpus_allowed = 1 transcription error during migrate_disable() cleanup

[Mike Galbraith]

Setting p->nr_cpus_allowed accidentally wandered into migrate_disable()
during the cleanup - kill it. 

Signed-off-by: Mike Galbraith <umgwanakikb...@gmail.com>
---
 kernel/sched/core.c |    1 -
 1 file changed, 1 deletion(-)

--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -3180,7 +3180,6 @@ void migrate_disable(void)
        preempt_lazy_disable();
        pin_current_cpu();
        p->migrate_disable = 1;
-       p->nr_cpus_allowed = 1;
        preempt_enable();
 }
 EXPORT_SYMBOL(migrate_disable);