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From: qiwuchen55@gmail.com
To: sebott@linux.ibm.com, oberpar@linux.ibm.com,
	heiko.carstens@de.ibm.com, gor@linux.ibm.com,
	borntraeger@de.ibm.com
Cc: linux-s390@vger.kernel.org, chenqiwu <chenqiwu@xiaomi.com>,
	chenqiwu <qiwuchen55@gmail.com>
Subject: [PATCH v2] s390/cio: use kobj_to_dev() API
Date: Fri, 14 Feb 2020 21:51:33 +0800	[thread overview]
Message-ID: <1581688293-17283-1-git-send-email-qiwuchen55@gmail.com> (raw)

From: chenqiwu <chenqiwu@xiaomi.com>

Use kobj_to_dev() API instead of container_of().

Signed-off-by: chenqiwu <chenqiwu@xiaomi.com>
Signed-off-by: chenqiwu <qiwuchen55@gmail.com>
---
changes in v2:
 - add signed off for my gmail adderss.
--- 
 drivers/s390/cio/chp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/s390/cio/chp.c b/drivers/s390/cio/chp.c
index 51038ec..dfcbe54 100644
--- a/drivers/s390/cio/chp.c
+++ b/drivers/s390/cio/chp.c
@@ -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);
 
-- 
1.9.1

             reply	other threads:[~2020-02-14 13:51 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-14 13:51 qiwuchen55 [this message]
2020-02-14 15:32 ` [PATCH v2] s390/cio: use kobj_to_dev() API Cornelia Huck
2020-02-17 17:08 ` Vasily Gorbik

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