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Commit d882ba69 authored by Akinobu Mita's avatar Akinobu Mita Committed by Linus Torvalds
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s390: convert cpu notifier to return encapsulate errno value 



By the previous modification, the cpu notifier can return encapsulate
errno value.  This converts the cpu notifiers for s390.

Signed-off-by: default avatarAkinobu Mita <akinobu.mita@gmail.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 1dee31f7

arch/s390/kernel/smp.c

+3 −3
Original line number Diff line number Diff line
@@ -944,21 +944,21 @@ static int __cpuinit smp_cpu_notify(struct notifier_block *self, 
	struct cpu *c = &per_cpu(cpu_devices, cpu);

	struct sys_device *s = &c->sysdev;

	struct s390_idle_data *idle;

	int err = 0;



	switch (action) {

	case CPU_ONLINE:

	case CPU_ONLINE_FROZEN:

		idle = &per_cpu(s390_idle, cpu);

		memset(idle, 0, sizeof(struct s390_idle_data));

		if (sysfs_create_group(&s->kobj, &cpu_online_attr_group))

			return NOTIFY_BAD;

		err = sysfs_create_group(&s->kobj, &cpu_online_attr_group);

		break;

	case CPU_DEAD:

	case CPU_DEAD_FROZEN:

		sysfs_remove_group(&s->kobj, &cpu_online_attr_group);

		break;

	}

	return NOTIFY_OK;

	return notifier_from_errno(err);

}



static struct notifier_block __cpuinitdata smp_cpu_nb = {