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driver core: device: make device_create*() take a const struct class *

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The functions device_create() and device_create_with_groups() do not
modify the struct class passed into it, so enforce this by changing the
function parameters to be struct const class.

Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Link: https://lore.kernel.org/r/20230313181843.1207845-12-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman
2023-03-13 19:18:43 +01:00
parent 9fa120fbd5
commit 2bd5c63978
2 changed files with 5 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/base/core.c
View File

@@ -4253,7 +4253,7 @@ static void device_create_release(struct device *dev)
} }
static __printf(6, 0) struct device * static __printf(6, 0) struct device *
device_create_groups_vargs(struct class *class, struct device *parent, device_create_groups_vargs(const struct class *class, struct device *parent,
dev_t devt, void *drvdata, dev_t devt, void *drvdata,
const struct attribute_group **groups, const struct attribute_group **groups,
const char *fmt, va_list args) const char *fmt, va_list args)
@@ -4317,7 +4317,7 @@ error:
* Note: the struct class passed to this function must have previously * Note: the struct class passed to this function must have previously
* been created with a call to class_create(). * been created with a call to class_create().
*/ */
struct device *device_create(struct class *class, struct device *parent, struct device *device_create(const struct class *class, struct device *parent,
dev_t devt, void *drvdata, const char *fmt, ...) dev_t devt, void *drvdata, const char *fmt, ...)
{ {
va_list vargs; va_list vargs;
@@ -4358,7 +4358,7 @@ EXPORT_SYMBOL_GPL(device_create);
* Note: the struct class passed to this function must have previously * Note: the struct class passed to this function must have previously
* been created with a call to class_create(). * been created with a call to class_create().
*/ */
struct device *device_create_with_groups(struct class *class, struct device *device_create_with_groups(const struct class *class,
struct device *parent, dev_t devt, struct device *parent, dev_t devt,
void *drvdata, void *drvdata,
const struct attribute_group **groups, const struct attribute_group **groups,

4
include/linux/device.h
View File

@@ -1015,10 +1015,10 @@ bool device_is_bound(struct device *dev);
* Easy functions for dynamically creating devices on the fly * Easy functions for dynamically creating devices on the fly
*/ */
__printf(5, 6) struct device * __printf(5, 6) struct device *
device_create(struct class *cls, struct device *parent, dev_t devt, device_create(const struct class *cls, struct device *parent, dev_t devt,
void *drvdata, const char *fmt, ...); void *drvdata, const char *fmt, ...);
__printf(6, 7) struct device * __printf(6, 7) struct device *
device_create_with_groups(struct class *cls, struct device *parent, dev_t devt, device_create_with_groups(const struct class *cls, struct device *parent, dev_t devt,
void *drvdata, const struct attribute_group **groups, void *drvdata, const struct attribute_group **groups,
const char *fmt, ...); const char *fmt, ...);
void device_destroy(const struct class *cls, dev_t devt); void device_destroy(const struct class *cls, dev_t devt);