misc: c2port: use kobj_to_dev()

Use kobj_to_dev() instead of open-coding it.

Signed-off-by: Geliang Tang <geliangtang@163.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Geliang Tang 2016-01-13 23:30:08 +08:00 committed by Greg Kroah-Hartman
parent 85016ff33f
commit 47679cde60
1 changed files with 2 additions and 6 deletions

View File

@ -721,9 +721,7 @@ static ssize_t c2port_read_flash_data(struct file *filp, struct kobject *kobj,
struct bin_attribute *attr,
char *buffer, loff_t offset, size_t count)
{
struct c2port_device *c2dev =
dev_get_drvdata(container_of(kobj,
struct device, kobj));
struct c2port_device *c2dev = dev_get_drvdata(kobj_to_dev(kobj));
ssize_t ret;
/* Check the device and flash access status */
@ -838,9 +836,7 @@ static ssize_t c2port_write_flash_data(struct file *filp, struct kobject *kobj,
struct bin_attribute *attr,
char *buffer, loff_t offset, size_t count)
{
struct c2port_device *c2dev =
dev_get_drvdata(container_of(kobj,
struct device, kobj));
struct c2port_device *c2dev = dev_get_drvdata(kobj_to_dev(kobj));
int ret;
/* Check the device access status */