From 2cf83833fc9cff04c50e402260b724b3f001d737 Mon Sep 17 00:00:00 2001 From: Geliang Tang Date: Sun, 27 Dec 2015 17:25:24 +0800 Subject: HID: use kobj_to_dev() Use kobj_to_dev() instead of open-coding it. Signed-off-by: Geliang Tang Signed-off-by: Jiri Kosina --- drivers/hid/hid-roccat-pyra.c | 15 +++++---------- 1 file changed, 5 insertions(+), 10 deletions(-) (limited to 'drivers/hid/hid-roccat-pyra.c') diff --git a/drivers/hid/hid-roccat-pyra.c b/drivers/hid/hid-roccat-pyra.c index 47d7e74231e5..b30aa7b82bf8 100644 --- a/drivers/hid/hid-roccat-pyra.c +++ b/drivers/hid/hid-roccat-pyra.c @@ -90,8 +90,7 @@ static ssize_t pyra_sysfs_read(struct file *fp, struct kobject *kobj, 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 pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); int retval; @@ -116,8 +115,7 @@ static ssize_t pyra_sysfs_write(struct file *fp, struct kobject *kobj, 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 pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); int retval; @@ -191,8 +189,7 @@ static ssize_t pyra_sysfs_read_profilex_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 usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); ssize_t retval; @@ -210,8 +207,7 @@ static ssize_t pyra_sysfs_read_profilex_buttons(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 usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); ssize_t retval; @@ -248,8 +244,7 @@ static ssize_t pyra_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 pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); int retval = 0; -- cgit v1.2.3