diff options
-rw-r--r-- | drivers/acpi/platform_profile.c | 19 | ||||
-rw-r--r-- | include/linux/platform_profile.h | 2 |
2 files changed, 10 insertions, 11 deletions
diff --git a/drivers/acpi/platform_profile.c b/drivers/acpi/platform_profile.c index 1b6317f759f9..f01455905830 100644 --- a/drivers/acpi/platform_profile.c +++ b/drivers/acpi/platform_profile.c @@ -569,24 +569,23 @@ EXPORT_SYMBOL_GPL(platform_profile_register); /** * platform_profile_remove - Unregisters a platform profile class device * @dev: Class device - * - * Return: 0 */ -int platform_profile_remove(struct device *dev) +void platform_profile_remove(struct device *dev) { - struct platform_profile_handler *pprof = to_pprof_handler(dev); - int id; + struct platform_profile_handler *pprof; + + if (IS_ERR_OR_NULL(dev)) + return; + + pprof = to_pprof_handler(dev); + guard(mutex)(&profile_lock); - id = pprof->minor; + ida_free(&platform_profile_ida, pprof->minor); device_unregister(&pprof->dev); - ida_free(&platform_profile_ida, id); sysfs_notify(acpi_kobj, NULL, "platform_profile"); - sysfs_update_group(acpi_kobj, &platform_profile_group); - - return 0; } EXPORT_SYMBOL_GPL(platform_profile_remove); diff --git a/include/linux/platform_profile.h b/include/linux/platform_profile.h index 8ab5b0e8eb2c..d5499eca9e1d 100644 --- a/include/linux/platform_profile.h +++ b/include/linux/platform_profile.h @@ -47,7 +47,7 @@ struct platform_profile_ops { struct device *platform_profile_register(struct device *dev, const char *name, void *drvdata, const struct platform_profile_ops *ops); -int platform_profile_remove(struct device *dev); +void platform_profile_remove(struct device *dev); struct device *devm_platform_profile_register(struct device *dev, const char *name, void *drvdata, const struct platform_profile_ops *ops); |