linux-kernel - [PATCH] drivers/dax: Use kobj_to

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Message-Id: <1624025577-56565-1-git-send-email-zhouchuangao@vivo.com>
Date:   Fri, 18 Jun 2021 07:12:57 -0700
From:   zhouchuangao <zhouchuangao@...o.com>
To:     Dan Williams <dan.j.williams@...el.com>,
        Vishal Verma <vishal.l.verma@...el.com>,
        Dave Jiang <dave.jiang@...el.com>, nvdimm@...ts.linux.dev,
        linux-kernel@...r.kernel.org
Cc:     zhouchuangao <zhouchuangao@...o.com>
Subject: [PATCH] drivers/dax: Use kobj_to_dev() API

Use kobj_to_dev() API instead of container_of().

Signed-off-by: zhouchuangao <zhouchuangao@...o.com>
---
 drivers/dax/bus.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c
index 5aee26e..eb7260a 100644
--- a/drivers/dax/bus.c
+++ b/drivers/dax/bus.c
@@ -484,7 +484,7 @@ static DEVICE_ATTR_WO(delete);
 static umode_t dax_region_visible(struct kobject *kobj, struct attribute *a,
 		int n)
 {
-	struct device *dev = container_of(kobj, struct device, kobj);
+	struct device *dev = kobj_to_dev(kobj);
 	struct dax_region *dax_region = dev_get_drvdata(dev);
 
 	if (is_static(dax_region))
@@ -1213,7 +1213,7 @@ static DEVICE_ATTR_RO(numa_node);
 
 static umode_t dev_dax_visible(struct kobject *kobj, struct attribute *a, int n)
 {
-	struct device *dev = container_of(kobj, struct device, kobj);
+	struct device *dev = kobj_to_dev(kobj);
 	struct dev_dax *dev_dax = to_dev_dax(dev);
 	struct dax_region *dax_region = dev_dax->region;
 
-- 
2.7.4