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Subject[PATCH 28/28] driver core: device_rename's new_name can be const
From: Johannes Berg <>

The new_name argument to device_rename() can be
const as kobject_rename's new_name argument is.

Signed-off-by: Johannes Berg <>
Signed-off-by: Greg Kroah-Hartman <>
drivers/base/core.c | 2 +-
include/linux/device.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/base/core.c b/drivers/base/core.c
index f8e7272..d1b2c9a 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -1599,7 +1599,7 @@ EXPORT_SYMBOL_GPL(device_destroy);
* on the same device to ensure that new_name is valid and
* won't conflict with other devices.
-int device_rename(struct device *dev, char *new_name)
+int device_rename(struct device *dev, const char *new_name)
char *old_class_name = NULL;
char *new_class_name = NULL;
diff --git a/include/linux/device.h b/include/linux/device.h
index 0ca24e9..516feca 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -552,7 +552,7 @@ extern int device_for_each_child(struct device *dev, void *data,
int (*fn)(struct device *dev, void *data));
extern struct device *device_find_child(struct device *dev, void *data,
int (*match)(struct device *dev, void *data));
-extern int device_rename(struct device *dev, char *new_name);
+extern int device_rename(struct device *dev, const char *new_name);
extern int device_move(struct device *dev, struct device *new_parent,
enum dpm_order dpm_order);
extern const char *device_get_devnode(struct device *dev,

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