1 files changed, 5 insertions, 0 deletions

diff --git a/arch/x86/kernel/cpuid.c b/arch/x86/kernel/cpuid.c
index 39472dd2323f..60c78917190c 100644
--- a/arch/x86/kernel/cpuid.c
+++ b/arch/x86/kernel/cpuid.c
@@ -199,12 +199,14 @@ static int __init cpuid_init(void)
                 goto out_chrdev;
         }
         cpuid_class->devnode = cpuid_devnode;
+        get_online_cpus();
         for_each_online_cpu(i) {
                 err = cpuid_device_create(i);
                 if (err != 0)
                         goto out_class;
         }
         register_hotcpu_notifier(&cpuid_class_cpu_notifier);
+        put_online_cpus();
 
         err = 0;
         goto out;
@@ -214,6 +216,7 @@ out_class:
         for_each_online_cpu(i) {
                 cpuid_device_destroy(i);
         }
+        put_online_cpus();
         class_destroy(cpuid_class);
 out_chrdev:
         __unregister_chrdev(CPUID_MAJOR, 0, NR_CPUS, "cpu/cpuid");
@@ -225,11 +228,13 @@ static void __exit cpuid_exit(void)
 {
         int cpu = 0;
 
+        get_online_cpus();
         for_each_online_cpu(cpu)
                 cpuid_device_destroy(cpu);
         class_destroy(cpuid_class);
         __unregister_chrdev(CPUID_MAJOR, 0, NR_CPUS, "cpu/cpuid");
         unregister_hotcpu_notifier(&cpuid_class_cpu_notifier);
+        put_online_cpus();
 }
 
 module_init(cpuid_init);