linux-kernel - [PATCH] w1: Use kobj_to

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Message-Id: <1615877987-32163-1-git-send-email-dj0227@163.com>
Date:   Tue, 16 Mar 2021 14:59:47 +0800
From:   Jian Dong <dj0227@....com>
To:     zbr@...emap.net, rikard.falkeborn@...il.com,
        gregkh@...uxfoundation.org
Cc:     linux-kernel@...r.kernel.org, huyue2@...ong.com,
        dongjian <dongjian@...ong.com>
Subject: [PATCH] w1: Use kobj_to_dev()[RESEND]

From: dongjian <dongjian@...ong.com>

Use kobj_to_dev() instead of open-coding it

Signed-off-by: dongjian <dongjian@...ong.com>
---
 drivers/w1/slaves/w1_ds2780.c | 2 +-
 drivers/w1/slaves/w1_ds2781.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/w1/slaves/w1_ds2780.c b/drivers/w1/slaves/w1_ds2780.c
index c281fe5..9dcb5a5 100644
--- a/drivers/w1/slaves/w1_ds2780.c
+++ b/drivers/w1/slaves/w1_ds2780.c
@@ -90,7 +90,7 @@ static ssize_t w1_slave_read(struct file *filp, struct kobject *kobj,
 			     struct bin_attribute *bin_attr, char *buf,
 			     loff_t off, size_t count)
 {
-	struct device *dev = container_of(kobj, struct device, kobj);
+	struct device *dev = kobj_to_dev(kobj);
 	return w1_ds2780_io(dev, buf, off, count, 0);
 }
 
diff --git a/drivers/w1/slaves/w1_ds2781.c b/drivers/w1/slaves/w1_ds2781.c
index f0d393a..2cb7c02 100644
--- a/drivers/w1/slaves/w1_ds2781.c
+++ b/drivers/w1/slaves/w1_ds2781.c
@@ -87,7 +87,7 @@ static ssize_t w1_slave_read(struct file *filp, struct kobject *kobj,
 			     struct bin_attribute *bin_attr, char *buf,
 			     loff_t off, size_t count)
 {
-	struct device *dev = container_of(kobj, struct device, kobj);
+	struct device *dev = kobj_to_dev(kobj);
 	return w1_ds2781_io(dev, buf, off, count, 0);
 }
 
-- 
1.9.1