diff options
| -rw-r--r-- | drivers/soc/qcom/core_ctl_helper.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/drivers/soc/qcom/core_ctl_helper.c b/drivers/soc/qcom/core_ctl_helper.c index 3dde30d29a1c..88201412128e 100644 --- a/drivers/soc/qcom/core_ctl_helper.c +++ b/drivers/soc/qcom/core_ctl_helper.c @@ -72,22 +72,28 @@ EXPORT_SYMBOL(core_ctl_find_cpu_device); int __ref core_ctl_online_core(unsigned int cpu) { - int ret; + int ret = -EINVAL; + struct device *dev = get_cpu_device(cpu); - lock_device_hotplug(); - ret = device_online(get_cpu_device(cpu)); - unlock_device_hotplug(); + if (dev) { + lock_device_hotplug(); + ret = device_online(dev); + unlock_device_hotplug(); + } return ret; } EXPORT_SYMBOL(core_ctl_online_core); int __ref core_ctl_offline_core(unsigned int cpu) { - int ret; + int ret = -EINVAL; + struct device *dev = get_cpu_device(cpu); - lock_device_hotplug(); - ret = device_offline(get_cpu_device(cpu)); - unlock_device_hotplug(); + if (dev) { + lock_device_hotplug(); + ret = device_offline(dev); + unlock_device_hotplug(); + } return ret; } EXPORT_SYMBOL(core_ctl_offline_core); |