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Diffstat (limited to 'drivers/base/core.c')
-rw-r--r--drivers/base/core.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 3335000be2dc..319c2c594ac6 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -2019,7 +2019,7 @@ EXPORT_SYMBOL_GPL(device_move);
*/
void device_shutdown(void)
{
- struct device *dev;
+ struct device *dev, *parent;
spin_lock(&devices_kset->list_lock);
/*
@@ -2036,7 +2036,7 @@ 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
@@ -2046,8 +2046,8 @@ 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 */
@@ -2065,11 +2065,11 @@ 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);
}