diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index a6e24e00a37bbc68e0555f26c14e69d90276623b..9d75205a511ed5e28c0f366a196bc23f3209fcb0 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -2077,7 +2077,7 @@ struct hid_dynid { static ssize_t store_new_id(struct device_driver *drv, const char *buf, size_t count) { - struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver); + struct hid_driver *hdrv = to_hid_driver(drv); struct hid_dynid *dynid; __u32 bus, vendor, product; unsigned long driver_data = 0; @@ -2139,7 +2139,7 @@ static const struct hid_device_id *hid_match_device(struct hid_device *hdev, static int hid_bus_match(struct device *dev, struct device_driver *drv) { - struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver); + struct hid_driver *hdrv = to_hid_driver(drv); struct hid_device *hdev = to_hid_device(dev); return hid_match_device(hdev, hdrv) != NULL; @@ -2147,8 +2147,7 @@ static int hid_bus_match(struct device *dev, struct device_driver *drv) static int hid_device_probe(struct device *dev) { - struct hid_driver *hdrv = container_of(dev->driver, - struct hid_driver, driver); + struct hid_driver *hdrv = to_hid_driver(dev->driver); struct hid_device *hdev = to_hid_device(dev); const struct hid_device_id *id; int ret = 0; diff --git a/include/linux/hid.h b/include/linux/hid.h index 1472026367ed058b91dc279703388ba0ddfd2b65..75b66eccc69278323ce0848e3fcfa46093caf56e 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -717,6 +717,9 @@ struct hid_driver { struct device_driver driver; }; +#define to_hid_driver(pdrv) \ + container_of(pdrv, struct hid_driver, driver) + /** * hid_ll_driver - low level driver callbacks * @start: called on probe to start the device