[PATCH] coccinelle: api: fix kobj_to_dev.cocci warnings

[kernel test robot <lkp@intel.com>]

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CC: kbuild-all(a)lists.01.org
TO: Denis Efremov <efremov@linux.com>
CC: Julia Lawall <Julia.Lawall@lip6.fr>
CC: "James E.J. Bottomley" <jejb@linux.ibm.com>
CC: "Martin K. Petersen" <martin.petersen@oracle.com>
CC: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: linux-media(a)vger.kernel.org
CC: linux-scsi(a)vger.kernel.org
CC: linux-kernel(a)vger.kernel.org

From: kernel test robot <lkp@intel.com>

drivers/scsi/arcmsr/arcmsr_attr.c:164:58-59: WARNING opportunity for kobj_to_dev()
drivers/scsi/arcmsr/arcmsr_attr.c:69:58-59: WARNING opportunity for kobj_to_dev()
drivers/scsi/arcmsr/arcmsr_attr.c:116:58-59: WARNING opportunity for kobj_to_dev()


 Use kobj_to_dev() instead of container_of()

Generated by: scripts/coccinelle/api/kobj_to_dev.cocci

Fixes: a2fc3718bc22 ("coccinelle: api: add kobj_to_dev.cocci script")
CC: Denis Efremov <efremov@linux.com>
Signed-off-by: kernel test robot <lkp@intel.com>
---

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linux.git for-5.10
head:   a2fc3718bc22e85378085568ecc5765fb28cabce
commit: a2fc3718bc22e85378085568ecc5765fb28cabce [3/3] coccinelle: api: add kobj_to_dev.cocci script
:::::: branch date: 5 days ago
:::::: commit date: 5 days ago

Please take the patch only if it's a positive warning. Thanks!

 arcmsr_attr.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/drivers/scsi/arcmsr/arcmsr_attr.c
+++ b/drivers/scsi/arcmsr/arcmsr_attr.c
@@ -66,7 +66,7 @@ static ssize_t arcmsr_sysfs_iop_message_
 					     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;
@@ -113,7 +113,7 @@ static ssize_t arcmsr_sysfs_iop_message_
 					      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;
@@ -161,7 +161,7 @@ static ssize_t arcmsr_sysfs_iop_message_
 					      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;