In the quest to get rid of DRIVER_ATTR(), this patch converts the hid-core code to use DRIVER_ATTR_RO() and also moves to use drv_groups as creating individual sysfs files is not good (it races with userspace notifications.)
Cc: Jiri Kosina <[email protected]> Cc: Benjamin Tissoires <[email protected]> Cc: <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/hid/hid-core.c | 24 ++++++++++-------------- 1 file changed, 10 insertions(+), 14 deletions(-) diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 37084b645785..9184033a0de6 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -2144,7 +2144,7 @@ struct hid_dynid { * Adds a new dynamic hid device ID to this driver, * and causes the driver to probe for all devices again. */ -static ssize_t store_new_id(struct device_driver *drv, const char *buf, +static ssize_t new_id_store(struct device_driver *drv, const char *buf, size_t count) { struct hid_driver *hdrv = to_hid_driver(drv); @@ -2176,7 +2176,13 @@ static ssize_t store_new_id(struct device_driver *drv, const char *buf, return ret ? : count; } -static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id); +static DRIVER_ATTR_WO(new_id); + +static struct attribute *hid_drv_attrs[] = { + &driver_attr_new_id.attr, + NULL, +}; +ATTRIBUTE_GROUPS(hid_drv); static void hid_free_dynids(struct hid_driver *hdrv) { @@ -2340,6 +2346,7 @@ static int hid_uevent(struct device *dev, struct kobj_uevent_env *env) static struct bus_type hid_bus_type = { .name = "hid", .dev_groups = hid_dev_groups, + .drv_groups = hid_drv_groups, .match = hid_bus_match, .probe = hid_device_probe, .remove = hid_device_remove, @@ -2779,8 +2786,6 @@ EXPORT_SYMBOL_GPL(hid_destroy_device); int __hid_register_driver(struct hid_driver *hdrv, struct module *owner, const char *mod_name) { - int ret; - hdrv->driver.name = hdrv->name; hdrv->driver.bus = &hid_bus_type; hdrv->driver.owner = owner; @@ -2789,21 +2794,12 @@ int __hid_register_driver(struct hid_driver *hdrv, struct module *owner, INIT_LIST_HEAD(&hdrv->dyn_list); spin_lock_init(&hdrv->dyn_lock); - ret = driver_register(&hdrv->driver); - if (ret) - return ret; - - ret = driver_create_file(&hdrv->driver, &driver_attr_new_id); - if (ret) - driver_unregister(&hdrv->driver); - - return ret; + return driver_register(&hdrv->driver); } EXPORT_SYMBOL_GPL(__hid_register_driver); void hid_unregister_driver(struct hid_driver *hdrv) { - driver_remove_file(&hdrv->driver, &driver_attr_new_id); driver_unregister(&hdrv->driver); hid_free_dynids(hdrv); } -- 2.13.1
