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Subject[PATCH 5/5] driver core: device_get_devnode() should take a const *
Date
device_get_devnode() should take a constant * to struct device as it
does not modify it in any way, so modify the function definition to do
this and move it out of device.h as it does not need to be exposed to
the whole kernel tree.

Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Won Chung <wonchung@google.com>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/base/base.h | 2 ++
drivers/base/core.c | 2 +-
include/linux/device.h | 2 --
3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/base/base.h b/drivers/base/base.h
index 7d4803c03d3e..a8a119c36bdc 100644
--- a/drivers/base/base.h
+++ b/drivers/base/base.h
@@ -158,6 +158,8 @@ extern void device_block_probing(void);
extern void device_unblock_probing(void);
extern void deferred_probe_extend_timeout(void);
extern void driver_deferred_probe_trigger(void);
+const char *device_get_devnode(const struct device *dev, umode_t *mode,
+ kuid_t *uid, kgid_t *gid, const char **tmp);

/* /sys/devices directory */
extern struct kset *devices_kset;
diff --git a/drivers/base/core.c b/drivers/base/core.c
index a3e14143ec0c..72ec54a8a4e1 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -3739,7 +3739,7 @@ static struct device *next_device(struct klist_iter *i)
* a name. This memory is returned in tmp and needs to be
* freed by the caller.
*/
-const char *device_get_devnode(struct device *dev,
+const char *device_get_devnode(const struct device *dev,
umode_t *mode, kuid_t *uid, kgid_t *gid,
const char **tmp)
{
diff --git a/include/linux/device.h b/include/linux/device.h
index 4ad1280713e6..e4498389e866 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -927,8 +927,6 @@ int device_rename(struct device *dev, const char *new_name);
int device_move(struct device *dev, struct device *new_parent,
enum dpm_order dpm_order);
int device_change_owner(struct device *dev, kuid_t kuid, kgid_t kgid);
-const char *device_get_devnode(struct device *dev, umode_t *mode, kuid_t *uid,
- kgid_t *gid, const char **tmp);
int device_is_dependent(struct device *dev, void *target);

static inline bool device_supports_offline(struct device *dev)
--
2.38.1
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