linux-kernel - [PATCH] acpi/nfit: Use kobj_to

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Date:   Thu, 13 Aug 2020 10:49:10 +0800
From:   Wang Qing <wangqing@...o.com>
To:     Dan Williams <dan.j.williams@...el.com>,
        Vishal Verma <vishal.l.verma@...el.com>,
        Dave Jiang <dave.jiang@...el.com>,
        Ira Weiny <ira.weiny@...el.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>, linux-nvdimm@...ts.01.org,
        linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Wang Qing <wangqing@...o.com>
Subject: [PATCH] acpi/nfit: Use kobj_to_dev() instead

Use kobj_to_dev() instead of container_of()

Signed-off-by: Wang Qing <wangqing@...o.com>
---
 drivers/acpi/nfit/core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
index fa4500f..3bb350b
--- a/drivers/acpi/nfit/core.c
+++ b/drivers/acpi/nfit/core.c
@@ -1382,7 +1382,7 @@ static bool ars_supported(struct nvdimm_bus *nvdimm_bus)
 
 static umode_t nfit_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 nvdimm_bus *nvdimm_bus = to_nvdimm_bus(dev);
 
 	if (a == &dev_attr_scrub.attr && !ars_supported(nvdimm_bus))
@@ -1667,7 +1667,7 @@ static struct attribute *acpi_nfit_dimm_attributes[] = {
 static umode_t acpi_nfit_dimm_attr_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 nvdimm *nvdimm = to_nvdimm(dev);
 	struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
 
-- 
2.7.4