[PATCH] lpfc: 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/lpfc/lpfc_attr.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 3caaa7c4af48..97f87155c1bd 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -4376,8 +4376,7 @@ sysfs_drvr_stat_data_read(struct file *filp, struct kobject *kobj,
 		struct bin_attribute *bin_attr,
 		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  *shost = class_to_shost(dev);
 	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
 	struct lpfc_hba   *phba = vport->phba;
@@ -6396,7 +6395,7 @@ sysfs_ctlreg_write(struct file *filp, struct kobject *kobj,
 		   char *buf, loff_t off, size_t count)
 {
 	size_t buf_off;
-	struct device *dev = container_of(kobj, struct device, kobj);
+	struct device *dev = kobj_to_dev(kobj);
 	struct Scsi_Host  *shost = class_to_shost(dev);
 	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
 	struct lpfc_hba   *phba = vport->phba;
@@ -6456,7 +6455,7 @@ sysfs_ctlreg_read(struct file *filp, struct kobject *kobj,
 {
 	size_t buf_off;
 	uint32_t * tmp_ptr;
-	struct device *dev = container_of(kobj, struct device, kobj);
+	struct device *dev = kobj_to_dev(kobj);
 	struct Scsi_Host  *shost = class_to_shost(dev);
 	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
 	struct lpfc_hba   *phba = vport->phba;
-- 
2.25.1