Commit b8b4a416 authored by Richard Weinberger's avatar Richard Weinberger Committed by Herbert Xu

padata - Register hotcpu notifier after initialization

padata_cpu_callback() takes pinst->lock, to avoid taking
an uninitialized lock, register the notifier after it's
initialization.
Signed-off-by: 's avatarRichard Weinberger <richard@nod.at>
Acked-by: 's avatarSteffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: 's avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 9c823f9f
......@@ -1074,18 +1074,18 @@ struct padata_instance *padata_alloc(struct workqueue_struct *wq,
pinst->flags = 0;
#ifdef CONFIG_HOTPLUG_CPU
pinst->cpu_notifier.notifier_call = padata_cpu_callback;
pinst->cpu_notifier.priority = 0;
register_hotcpu_notifier(&pinst->cpu_notifier);
#endif
put_online_cpus();
BLOCKING_INIT_NOTIFIER_HEAD(&pinst->cpumask_change_notifier);
kobject_init(&pinst->kobj, &padata_attr_type);
mutex_init(&pinst->lock);
#ifdef CONFIG_HOTPLUG_CPU
pinst->cpu_notifier.notifier_call = padata_cpu_callback;
pinst->cpu_notifier.priority = 0;
register_hotcpu_notifier(&pinst->cpu_notifier);
#endif
return pinst;
err_free_masks:
......
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