hwmon: (coretemp) update hotplug

this patch fixes an unnecessary driver unregister. Because even none of online cpus supports coretemp, we can't assume new onlined cpu doesn't support it either. If related driver is unregistered there we have no chance to use coretemp from then on.

---
 drivers/hwmon/coretemp.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

index 05344af..a3bad59 100644
@@ -566,7 +566,9 @@ exit_devices_unreg:
 	}
 	mutex_unlock(&pdev_list_mutex);
 exit_driver_unreg:
+#ifndef CONFIG_HOTPLUG_CPU
 	platform_driver_unregister(&coretemp_driver);
+#endif
 exit:
 	return err;
 }

1.7.2.rc3


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