[PATCH] scsi: lpfc: Switch to using the new API kobj_to_dev()

[Yang Li]

fixed the following coccicheck:
./drivers/scsi/lpfc/lpfc_attr.c:4389:6-7: WARNING opportunity for
kobj_to_dev()
./drivers/scsi/lpfc/lpfc_attr.c:6326:60-61: WARNING opportunity for
kobj_to_dev()
./drivers/scsi/lpfc/lpfc_attr.c:6386:60-61: WARNING opportunity for
kobj_to_dev()

Reported-by: Abaci Robot <ab...@linux.alibaba.com>
Signed-off-by: Yang Li <yang....@linux.alibaba.com>
---
 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 4528166..a3bde0e 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -4385,8 +4385,7 @@ static DEVICE_ATTR(txcmplq_hw, S_IRUGO,
                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;
@@ -6323,7 +6322,7 @@ struct device_attribute *lpfc_vport_attrs[] = {
                   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;
@@ -6383,7 +6382,7 @@ struct device_attribute *lpfc_vport_attrs[] = {
 {
        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;
-- 
1.8.3.1