linux-kernel - [PATCH] w1: ds2708 and ds2781 use the new API kobj_to

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Message-ID: <1614603535-24046-1-git-send-email-tiantao6@hisilicon.com>
Date:   Mon, 1 Mar 2021 20:58:55 +0800
From:   Tian Tao <tiantao6@...ilicon.com>
To:     <zbr@...emap.net>, <rikard.falkeborn@...il.com>,
        <gregkh@...uxfoundation.org>
CC:     <linux-kernel@...r.kernel.org>
Subject: [PATCH] w1: ds2708 and ds2781 use the new API kobj_to_dev()

fix the below warnning:
/drivers/w1/slaves/w1_ds2780.c:93:60-61: WARNING opportunity for
kobj_to_dev()

Signed-off-by: Tian Tao <tiantao6@...ilicon.com>
---
 drivers/w1/slaves/w1_ds2780.c | 3 ++-
 drivers/w1/slaves/w1_ds2781.c | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/w1/slaves/w1_ds2780.c b/drivers/w1/slaves/w1_ds2780.c
index c281fe5..3cde1bb 100644
--- a/drivers/w1/slaves/w1_ds2780.c
+++ b/drivers/w1/slaves/w1_ds2780.c
@@ -90,7 +90,8 @@ 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);
 }
 
-- 
2.7.4