X-Git-Url: https://git.stricted.de/?a=blobdiff_plain;f=kernel%2Fsmpboot.c;h=7020eecb398bd789a2de03638d6e27a8aa1322dc;hb=073b9047a02b15d6145346d0b94c1aa009d344f0;hp=02fc5c9336735a834378dbbb6fff8e57b919b0fa;hpb=8a72f3820c4d14b27ad5336aed00063a7a7f1bef;p=GitHub%2Fmt8127%2Fandroid_kernel_alcatel_ttab.git

diff --git a/kernel/smpboot.c b/kernel/smpboot.c
index 02fc5c933673..7020eecb398b 100644
--- a/kernel/smpboot.c
+++ b/kernel/smpboot.c
@@ -279,6 +279,7 @@ int smpboot_register_percpu_thread(struct smp_hotplug_thread *plug_thread)
 	unsigned int cpu;
 	int ret = 0;
 
+	get_online_cpus();
 	mutex_lock(&smpboot_threads_lock);
 	for_each_online_cpu(cpu) {
 		ret = __smpboot_create_thread(plug_thread, cpu);
@@ -291,6 +292,7 @@ int smpboot_register_percpu_thread(struct smp_hotplug_thread *plug_thread)
 	list_add(&plug_thread->list, &hotplug_threads);
 out:
 	mutex_unlock(&smpboot_threads_lock);
+	put_online_cpus();
 	return ret;
 }
 EXPORT_SYMBOL_GPL(smpboot_register_percpu_thread);