unlock the right lock in enum_device.

diff --git a/drivers/base/class.c b/drivers/base/class.c
index d2681ec71fe5874418696324af5da3ec6fa9cb2f..dfef9793871a07e3f82fbe28cb22d78e100009d0 100644 (file)
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -40,7 +40,7 @@ static void enum_device(struct device_class * cls, struct device * dev)
        u32 val;
        spin_lock(&device_lock);
        val = cls->devnum++;
-       write_unlock(&device_lock);
+       spin_unlock(&device_lock);
        dev->class_num = val;
        devclass_dev_link(cls,dev);
 }