HID: use to_hid_device()
Use to_hid_device() instead of container_of().
Signed-off-by: Geliang Tang <geliangtang@163.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c
index e06af5b..4b7feb3 100644
--- a/drivers/hid/wacom_sys.c
+++ b/drivers/hid/wacom_sys.c
@@ -686,7 +686,7 @@
static ssize_t wacom_led_select_store(struct device *dev, int set_id,
const char *buf, size_t count)
{
- struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct hid_device *hdev = to_hid_device(dev);
struct wacom *wacom = hid_get_drvdata(hdev);
unsigned int id;
int err;
@@ -714,7 +714,7 @@
static ssize_t wacom_led##SET_ID##_select_show(struct device *dev, \
struct device_attribute *attr, char *buf) \
{ \
- struct hid_device *hdev = container_of(dev, struct hid_device, dev);\
+ struct hid_device *hdev = to_hid_device(dev);\
struct wacom *wacom = hid_get_drvdata(hdev); \
return scnprintf(buf, PAGE_SIZE, "%d\n", \
wacom->led.select[SET_ID]); \
@@ -750,7 +750,7 @@
static ssize_t wacom_##name##_luminance_store(struct device *dev, \
struct device_attribute *attr, const char *buf, size_t count) \
{ \
- struct hid_device *hdev = container_of(dev, struct hid_device, dev);\
+ struct hid_device *hdev = to_hid_device(dev);\
struct wacom *wacom = hid_get_drvdata(hdev); \
\
return wacom_luminance_store(wacom, &wacom->led.field, \
@@ -773,7 +773,7 @@
static ssize_t wacom_button_image_store(struct device *dev, int button_id,
const char *buf, size_t count)
{
- struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct hid_device *hdev = to_hid_device(dev);
struct wacom *wacom = hid_get_drvdata(hdev);
int err;
unsigned len;
@@ -1097,7 +1097,7 @@
struct device_attribute
*attr, char *buf)
{
- struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct hid_device *hdev = to_hid_device(dev);
struct wacom *wacom = hid_get_drvdata(hdev);
return snprintf(buf, PAGE_SIZE, "%i\n", wacom->wacom_wac.bt_high_speed);
@@ -1107,7 +1107,7 @@
struct device_attribute *attr,
const char *buf, size_t count)
{
- struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct hid_device *hdev = to_hid_device(dev);
struct wacom *wacom = hid_get_drvdata(hdev);
u8 new_speed;
@@ -1131,7 +1131,7 @@
char *buf, int index)
{
struct device *dev = container_of(kobj->parent, struct device, kobj);
- struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct hid_device *hdev = to_hid_device(dev);
struct wacom *wacom = hid_get_drvdata(hdev);
u8 mode;
@@ -1242,7 +1242,7 @@
{
unsigned char selector = 0;
struct device *dev = container_of(kobj->parent, struct device, kobj);
- struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct hid_device *hdev = to_hid_device(dev);
struct wacom *wacom = hid_get_drvdata(hdev);
int err;