linux-kernel - [PATCH] nvdimm: use kobj_to_dev instead of container

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Date:   Mon, 15 Nov 2021 22:44:11 -0800
From:   Bernard Zhao <bernard@...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>, nvdimm@...ts.linux.dev,
        linux-kernel@...r.kernel.org
Cc:     Bernard Zhao <bernard@...o.com>
Subject: [PATCH] nvdimm: use kobj_to_dev instead of container_of

This change is to cleanup the code a bit.

Signed-off-by: Bernard Zhao <bernard@...o.com>
---
 drivers/nvdimm/dimm_devs.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/nvdimm/dimm_devs.c b/drivers/nvdimm/dimm_devs.c
index dc7449a40003..bea41bb5f830 100644
--- a/drivers/nvdimm/dimm_devs.c
+++ b/drivers/nvdimm/dimm_devs.c
@@ -430,7 +430,7 @@ static struct attribute *nvdimm_attributes[] = {
 
 static umode_t nvdimm_visible(struct kobject *kobj, struct attribute *a, int n)
 {
-	struct device *dev = container_of(kobj, typeof(*dev), kobj);
+	struct device *dev = kobj_to_dev(kobj);
 	struct nvdimm *nvdimm = to_nvdimm(dev);
 
 	if (a != &dev_attr_security.attr && a != &dev_attr_frozen.attr)
@@ -546,7 +546,7 @@ static struct attribute *nvdimm_firmware_attributes[] = {
 
 static umode_t nvdimm_firmware_visible(struct kobject *kobj, struct attribute *a, int n)
 {
-	struct device *dev = container_of(kobj, typeof(*dev), kobj);
+	struct device *dev = kobj_to_dev(kobj);
 	struct nvdimm_bus *nvdimm_bus = walk_to_nvdimm_bus(dev);
 	struct nvdimm_bus_descriptor *nd_desc = nvdimm_bus->nd_desc;
 	struct nvdimm *nvdimm = to_nvdimm(dev);
-- 
2.33.1