s390/cio: use kobj_to_dev() API

Use kobj_to_dev() API instead of container_of().

Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: chenqiwu <chenqiwu@xiaomi.com>
Signed-off-by: chenqiwu <qiwuchen55@gmail.com>
Message-Id: <1581688293-17283-1-git-send-email-qiwuchen55@gmail.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
chenqiwu 2020-02-14 21:51:33 +08:00 committed by Vasily Gorbik
parent b16c3724dd
commit 0d730b57b9

View File

@ -135,7 +135,7 @@ static ssize_t chp_measurement_chars_read(struct file *filp,
struct channel_path *chp;
struct device *device;
device = container_of(kobj, struct device, kobj);
device = kobj_to_dev(kobj);
chp = to_channelpath(device);
if (chp->cmg == -1)
return 0;
@ -184,7 +184,7 @@ static ssize_t chp_measurement_read(struct file *filp, struct kobject *kobj,
struct device *device;
unsigned int size;
device = container_of(kobj, struct device, kobj);
device = kobj_to_dev(kobj);
chp = to_channelpath(device);
css = to_css(chp->dev.parent);