1 files changed, 14 insertions, 28 deletions

diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 096fde0ebcb5..f6dd1e761129 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -662,6 +662,9 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy)
 
         cpu = all_cpu_data[policy->cpu];
 
+        if (!policy->cpuinfo.max_freq)
+                return -ENODEV;
+
         intel_pstate_get_min_max(cpu, &min, &max);
 
         limits.min_perf_pct = (policy->min * 100) / policy->cpuinfo.max_freq;
@@ -747,37 +750,11 @@ static struct cpufreq_driver intel_pstate_driver = {
         .owner          = THIS_MODULE,
 };
 
-static void intel_pstate_exit(void)
-{
-        int cpu;
-
-        sysfs_remove_group(intel_pstate_kobject,
-                                &intel_pstate_attr_group);
-        debugfs_remove_recursive(debugfs_parent);
-
-        cpufreq_unregister_driver(&intel_pstate_driver);
-
-        if (!all_cpu_data)
-                return;
-
-        get_online_cpus();
-        for_each_online_cpu(cpu) {
-                if (all_cpu_data[cpu]) {
-                        del_timer_sync(&all_cpu_data[cpu]->timer);
-                        kfree(all_cpu_data[cpu]);
-                }
-        }
-
-        put_online_cpus();
-        vfree(all_cpu_data);
-}
-module_exit(intel_pstate_exit);
-
 static int __initdata no_load;
 
 static int __init intel_pstate_init(void)
 {
-        int rc = 0;
+        int cpu, rc = 0;
         const struct x86_cpu_id *id;
 
         if (no_load)
@@ -802,7 +779,16 @@ static int __init intel_pstate_init(void)
         intel_pstate_sysfs_expose_params();
         return rc;
 out:
-        intel_pstate_exit();
+        get_online_cpus();
+        for_each_online_cpu(cpu) {
+                if (all_cpu_data[cpu]) {
+                        del_timer_sync(&all_cpu_data[cpu]->timer);
+                        kfree(all_cpu_data[cpu]);
+                }
+        }
+
+        put_online_cpus();
+        vfree(all_cpu_data);
         return -ENODEV;
 }
 device_initcall(intel_pstate_init);