diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/cpufreq/cpufreq.c | 7 | ||||
| -rw-r--r-- | drivers/cpufreq/intel_pstate.c | 7 |
2 files changed, 11 insertions, 3 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 6d8fd3b8dcb5..6ad3119b8e15 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -2932,11 +2932,16 @@ EXPORT_SYMBOL_GPL(cpufreq_unregister_driver); static int __init cpufreq_core_init(void) { struct cpufreq_governor *gov = cpufreq_default_governor(); + struct device *dev_root; if (cpufreq_disabled()) return -ENODEV; - cpufreq_global_kobject = kobject_create_and_add("cpufreq", &cpu_subsys.dev_root->kobj); + dev_root = bus_get_dev_root(&cpu_subsys); + if (dev_root) { + cpufreq_global_kobject = kobject_create_and_add("cpufreq", &dev_root->kobj); + put_device(dev_root); + } BUG_ON(!cpufreq_global_kobject); if (!strlen(default_governor)) diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 48a4613cef1e..102cf7f0ac63 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -1473,10 +1473,13 @@ static struct kobject *intel_pstate_kobject; static void __init intel_pstate_sysfs_expose_params(void) { + struct device *dev_root = bus_get_dev_root(&cpu_subsys); int rc; - intel_pstate_kobject = kobject_create_and_add("intel_pstate", - &cpu_subsys.dev_root->kobj); + if (dev_root) { + intel_pstate_kobject = kobject_create_and_add("intel_pstate", &dev_root->kobj); + put_device(dev_root); + } if (WARN_ON(!intel_pstate_kobject)) return; |