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

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Message-Id: <1613980365-34562-1-git-send-email-yang.lee@linux.alibaba.com>
Date:   Mon, 22 Feb 2021 15:52:45 +0800
From:   Yang Li <yang.lee@...ux.alibaba.com>
To:     brking@...ibm.com
Cc:     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: ipr: Switch to using the new API kobj_to_dev()

fixed the following coccicheck:
./drivers/scsi/ipr.c:4209:61-62: WARNING opportunity for kobj_to_dev()
./drivers/scsi/ipr.c:4268:61-62: WARNING opportunity for kobj_to_dev()
./drivers/scsi/ipr.c:4457:61-62: 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/ipr.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index e451102..4d8a975 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -4206,7 +4206,7 @@ static ssize_t ipr_next_async_err_log(struct file *filep, struct kobject *kobj,
 				struct bin_attribute *bin_attr, char *buf,
 				loff_t off, size_t count)
 {
-	struct device *cdev = container_of(kobj, struct device, kobj);
+	struct device *cdev = kobj_to_dev(kobj);
 	struct Scsi_Host *shost = class_to_shost(cdev);
 	struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata;
 	struct ipr_hostrcb *hostrcb;
@@ -4265,7 +4265,7 @@ static ssize_t ipr_read_dump(struct file *filp, struct kobject *kobj,
 			     struct bin_attribute *bin_attr,
 			     char *buf, loff_t off, size_t count)
 {
-	struct device *cdev = container_of(kobj, struct device, kobj);
+	struct device *cdev = kobj_to_dev(kobj);
 	struct Scsi_Host *shost = class_to_shost(cdev);
 	struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata;
 	struct ipr_dump *dump;
@@ -4454,7 +4454,7 @@ static ssize_t ipr_write_dump(struct file *filp, struct kobject *kobj,
 			      struct bin_attribute *bin_attr,
 			      char *buf, loff_t off, size_t count)
 {
-	struct device *cdev = container_of(kobj, struct device, kobj);
+	struct device *cdev = kobj_to_dev(kobj);
 	struct Scsi_Host *shost = class_to_shost(cdev);
 	struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata;
 	int rc;
-- 
1.8.3.1