Commit 3789ae7d authored by Steffen Klassert's avatar Steffen Klassert Committed by Herbert Xu

padata: Use get_online_cpus/put_online_cpus in padata_free

Add get_online_cpus/put_online_cpus to ensure that no cpu goes
offline during the flushing of the padata percpu queues.
Signed-off-by: default avatarSteffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 0198ffd1
......@@ -763,7 +763,10 @@ void padata_free(struct padata_instance *pinst)
#ifdef CONFIG_HOTPLUG_CPU
unregister_hotcpu_notifier(&pinst->cpu_notifier);
#endif
get_online_cpus();
padata_flush_queues(pinst->pd);
put_online_cpus();
padata_free_pd(pinst->pd);
free_cpumask_var(pinst->cpumask);
kfree(pinst);
......
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