HID: use kobj_to_dev()

[deliverable/linux.git] / drivers / hid / hid-roccat-kone.c

diff --git a/drivers/hid/hid-roccat-kone.c b/drivers/hid/hid-roccat-kone.c
index c29265055ac1a3b5d10d209b69ba55ab202c6a5c..bf4675a2739657cf735d74aeea2477ef181fe090 100644 (file)
--- a/drivers/hid/hid-roccat-kone.c
+++ b/drivers/hid/hid-roccat-kone.c
@@ -269,8 +269,7 @@ static int kone_get_firmware_version(struct usb_device *usb_dev, int *result)
 static ssize_t kone_sysfs_read_settings(struct file *fp, struct kobject *kobj,
                struct bin_attribute *attr, char *buf,
                loff_t off, size_t count) {
-       struct device *dev =
-                       container_of(kobj, struct device, kobj)->parent->parent;
+       struct device *dev = kobj_to_dev(kobj)->parent->parent;
        struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev));
 
        if (off >= sizeof(struct kone_settings))
@@ -294,8 +293,7 @@ static ssize_t kone_sysfs_read_settings(struct file *fp, struct kobject *kobj,
 static ssize_t kone_sysfs_write_settings(struct file *fp, struct kobject *kobj,
                struct bin_attribute *attr, char *buf,
                loff_t off, size_t count) {
-       struct device *dev =
-                       container_of(kobj, struct device, kobj)->parent->parent;
+       struct device *dev = kobj_to_dev(kobj)->parent->parent;
        struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev));
        struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
        int retval = 0, difference, old_profile;
@@ -332,8 +330,7 @@ static BIN_ATTR(settings, 0660, kone_sysfs_read_settings,
 static ssize_t kone_sysfs_read_profilex(struct file *fp,
                struct kobject *kobj, struct bin_attribute *attr,
                char *buf, loff_t off, size_t count) {
-       struct device *dev =
-                       container_of(kobj, struct device, kobj)->parent->parent;
+       struct device *dev = kobj_to_dev(kobj)->parent->parent;
        struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev));
 
        if (off >= sizeof(struct kone_profile))
@@ -353,8 +350,7 @@ static ssize_t kone_sysfs_read_profilex(struct file *fp,
 static ssize_t kone_sysfs_write_profilex(struct file *fp,
                struct kobject *kobj, struct bin_attribute *attr,
                char *buf, loff_t off, size_t count) {
-       struct device *dev =
-                       container_of(kobj, struct device, kobj)->parent->parent;
+       struct device *dev = kobj_to_dev(kobj)->parent->parent;
        struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev));
        struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
        struct kone_profile *profile;