HID: use kobj_to_dev()
Use kobj_to_dev() instead of open-coding it.
Signed-off-by: Geliang Tang <geliangtang@163.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/hid/hid-roccat-common.c b/drivers/hid/hid-roccat-common.c
index 02e28e9..8155ac5 100644
--- a/drivers/hid/hid-roccat-common.c
+++ b/drivers/hid/hid-roccat-common.c
@@ -134,8 +134,7 @@
char *buf, loff_t off, size_t count,
size_t real_size, uint command)
{
- struct device *dev =
- container_of(kobj, struct device, kobj)->parent->parent;
+ struct device *dev = kobj_to_dev(kobj)->parent->parent;
struct roccat_common2_device *roccat_dev = hid_get_drvdata(dev_get_drvdata(dev));
struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
int retval;
@@ -158,8 +157,7 @@
void const *buf, loff_t off, size_t count,
size_t real_size, uint command)
{
- struct device *dev =
- container_of(kobj, struct device, kobj)->parent->parent;
+ struct device *dev = kobj_to_dev(kobj)->parent->parent;
struct roccat_common2_device *roccat_dev = hid_get_drvdata(dev_get_drvdata(dev));
struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
int retval;