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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 c7cfadcf6752..34abf4d8a45f 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -2017,7 +2017,7 @@ EXPORT_SYMBOL_GPL(device_move);
2017 */ 2017 */
2018void device_shutdown(void) 2018void device_shutdown(void)
2019{ 2019{
2020 struct device *dev; 2020 struct device *dev, *parent;
2021 2021
2022 spin_lock(&devices_kset->list_lock); 2022 spin_lock(&devices_kset->list_lock);
2023 /* 2023 /*
@@ -2034,7 +2034,7 @@ void device_shutdown(void)
2034 * prevent it from being freed because parent's 2034 * prevent it from being freed because parent's
2035 * lock is to be held 2035 * lock is to be held
2036 */ 2036 */
2037 get_device(dev->parent); 2037 parent = get_device(dev->parent);
2038 get_device(dev); 2038 get_device(dev);
2039 /* 2039 /*
2040 * Make sure the device is off the kset list, in the 2040 * Make sure the device is off the kset list, in the
@@ -2044,8 +2044,8 @@ void device_shutdown(void)
2044 spin_unlock(&devices_kset->list_lock); 2044 spin_unlock(&devices_kset->list_lock);
2045 2045
2046 /* hold lock to avoid race with probe/release */ 2046 /* hold lock to avoid race with probe/release */
2047 if (dev->parent) 2047 if (parent)
2048 device_lock(dev->parent); 2048 device_lock(parent);
2049 device_lock(dev); 2049 device_lock(dev);
2050 2050
2051 /* Don't allow any more runtime suspends */ 2051 /* Don't allow any more runtime suspends */
@@ -2063,11 +2063,11 @@ void device_shutdown(void)
2063 } 2063 }
2064 2064
2065 device_unlock(dev); 2065 device_unlock(dev);
2066 if (dev->parent) 2066 if (parent)
2067 device_unlock(dev->parent); 2067 device_unlock(parent);
2068 2068
2069 put_device(dev); 2069 put_device(dev);
2070 put_device(dev->parent); 2070 put_device(parent);
2071 2071
2072 spin_lock(&devices_kset->list_lock); 2072 spin_lock(&devices_kset->list_lock);
2073 } 2073 }