Hi Srivatsa, On Tue, 22 Jan 2013 13:04:54 +0530, Srivatsa S. Bhat wrote: > @@ -246,15 +291,21 @@ struct take_cpu_down_param { > static int __ref take_cpu_down(void *_param) > { > struct take_cpu_down_param *param = _param; > - int err; > + unsigned long flags; > + int err = 0; It seems no need to set 'err' to 0. Thanks, Namhyung > + > + percpu_write_lock_irqsave(&hotplug_pcpu_rwlock, &flags); > > /* Ensure this CPU doesn't handle any more interrupts. */ > err = __cpu_disable(); > if (err < 0) > - return err; > + goto out; > > cpu_notify(CPU_DYING | param->mod, param->hcpu); > - return 0; > + > +out: > + percpu_write_unlock_irqrestore(&hotplug_pcpu_rwlock, &flags); > + return err; > } > > /* Requires cpu_add_remove_lock to be held */ > > -- > To unsubscribe from this list: send the line "unsubscribe linux-pm" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html