[PATCH] [SCSI] arcmsr: Use kobj_to_dev()

[cgel . zte]

From: Minghao Chi <chi.minghao@xxxxxxxxxx>

Use kobj_to_dev() instead of open-coding it.

Reported-by: Zeal Robot <zealci@xxxxxxxxxx>
Signed-off-by: Minghao Chi <chi.minghao@xxxxxxxxxx>
---
 drivers/scsi/arcmsr/arcmsr_attr.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/arcmsr/arcmsr_attr.c b/drivers/scsi/arcmsr/arcmsr_attr.c
index baeb5e795690..041e15929cd3 100644
--- a/drivers/scsi/arcmsr/arcmsr_attr.c
+++ b/drivers/scsi/arcmsr/arcmsr_attr.c
@@ -64,7 +64,7 @@ static ssize_t arcmsr_sysfs_iop_message_read(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 *ptmpQbuffer;
@@ -111,7 +111,7 @@ 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;
@@ -159,7 +159,7 @@ 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;
--
2.25.1