linux-kernel - [PATCH] scsi: use kobj_to

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Message-Id: <1604889781-29715-1-git-send-email-wangqing@vivo.com>
Date:   Mon,  9 Nov 2020 10:43:01 +0800
From:   Wang Qing <wangqing@...o.com>
To:     Adam Radford <aradford@...il.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Wang Qing <wangqing@...o.com>
Subject: [PATCH] scsi: use kobj_to_dev() instead

Use kobj_to_dev() instead of container_of().

Signed-off-by: Wang Qing <wangqing@...o.com>
---
 drivers/scsi/3w-sas.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/3w-sas.c b/drivers/scsi/3w-sas.c
index dda6fa8..7cde82e
--- a/drivers/scsi/3w-sas.c
+++ b/drivers/scsi/3w-sas.c
@@ -99,7 +99,7 @@ static ssize_t twl_sysfs_aen_read(struct file *filp, struct kobject *kobj,
 				  struct bin_attribute *bin_attr,
 				  char *outbuf, loff_t offset, size_t count)
 {
-	struct device *dev = container_of(kobj, struct device, kobj);
+	struct device *dev = kobj_to_dev(kobj);
 	struct Scsi_Host *shost = class_to_shost(dev);
 	TW_Device_Extension *tw_dev = (TW_Device_Extension *)shost->hostdata;
 	unsigned long flags = 0;
@@ -130,7 +130,7 @@ static ssize_t twl_sysfs_compat_info(struct file *filp, struct kobject *kobj,
 				     struct bin_attribute *bin_attr,
 				     char *outbuf, loff_t offset, size_t count)
 {
-	struct device *dev = container_of(kobj, struct device, kobj);
+	struct device *dev = kobj_to_dev(kobj);
 	struct Scsi_Host *shost = class_to_shost(dev);
 	TW_Device_Extension *tw_dev = (TW_Device_Extension *)shost->hostdata;
 	unsigned long flags = 0;
-- 
2.7.4