Merge remote-tracking branch 'wireless-next/master'

[karo-tx-linux.git] / drivers / base / core.c

diff --git a/drivers/base/core.c b/drivers/base/core.c
index c7cfadcf67521d82f7d977979631e4805f5a31e9..34abf4d8a45ff4f3f6d25787887a8bc787779133 100644 (file)
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -2017,7 +2017,7 @@ EXPORT_SYMBOL_GPL(device_move);
  */
 void device_shutdown(void)
 {
-       struct device *dev;
+       struct device *dev, *parent;
 
        spin_lock(&devices_kset->list_lock);
        /*
@@ -2034,7 +2034,7 @@ void device_shutdown(void)
                 * prevent it from being freed because parent's
                 * lock is to be held
                 */
-               get_device(dev->parent);
+               parent = get_device(dev->parent);
                get_device(dev);
                /*
                 * Make sure the device is off the kset list, in the
@@ -2044,8 +2044,8 @@ void device_shutdown(void)
                spin_unlock(&devices_kset->list_lock);
 
                /* hold lock to avoid race with probe/release */
-               if (dev->parent)
-                       device_lock(dev->parent);
+               if (parent)
+                       device_lock(parent);
                device_lock(dev);
 
                /* Don't allow any more runtime suspends */
@@ -2063,11 +2063,11 @@ void device_shutdown(void)
                }
 
                device_unlock(dev);
-               if (dev->parent)
-                       device_unlock(dev->parent);
+               if (parent)
+                       device_unlock(parent);
 
                put_device(dev);
-               put_device(dev->parent);
+               put_device(parent);
 
                spin_lock(&devices_kset->list_lock);
        }