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

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Message-Id: <1613979553-18399-1-git-send-email-yang.lee@linux.alibaba.com>
Date:   Mon, 22 Feb 2021 15:39:13 +0800
From:   Yang Li <yang.lee@...ux.alibaba.com>
To:     james.smart@...adcom.com
Cc:     dick.kennedy@...adcom.com, jejb@...ux.ibm.com,
        martin.petersen@...cle.com, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org, Yang Li <yang.lee@...ux.alibaba.com>
Subject: [PATCH] scsi: lpfc: Switch to using the new API kobj_to_dev()

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 <abaci@...ux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@...ux.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