linux-kernel - [PATCH] arcmsr: Switch to using the new API kobj_to

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Date:   Thu,  4 Mar 2021 14:13:57 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     jejb@...ux.ibm.com
Cc:     martin.petersen@...cle.com, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Subject: [PATCH] arcmsr: Switch to using the new API kobj_to_dev()

Fix the following coccicheck warnings:

./drivers/scsi/arcmsr/arcmsr_attr.c:164:58-59: WARNING opportunity for
kobj_to_dev().

./drivers/scsi/arcmsr/arcmsr_attr.c:116:58-59: WARNING opportunity for
kobj_to_dev().

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 drivers/scsi/arcmsr/arcmsr_attr.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/arcmsr/arcmsr_attr.c b/drivers/scsi/arcmsr/arcmsr_attr.c
index 57be960..e03326e 100644
--- a/drivers/scsi/arcmsr/arcmsr_attr.c
+++ b/drivers/scsi/arcmsr/arcmsr_attr.c
@@ -113,7 +113,7 @@ static ssize_t arcmsr_sysfs_iop_message_write(struct file *filp,
 					      char *buf, loff_t off,
 					      size_t count)
 {
-	struct device *dev = container_of(kobj,struct device,kobj);
+	struct device *dev = kobj_to_dev(kobj);
 	struct Scsi_Host *host = class_to_shost(dev);
 	struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata;
 	int32_t user_len, cnt2end;
@@ -161,7 +161,7 @@ static ssize_t arcmsr_sysfs_iop_message_clear(struct file *filp,
 					      char *buf, loff_t off,
 					      size_t count)
 {
-	struct device *dev = container_of(kobj,struct device,kobj);
+	struct device *dev = kobj_to_dev(kobj);
 	struct Scsi_Host *host = class_to_shost(dev);
 	struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata;
 	uint8_t *pQbuffer;
-- 
1.8.3.1