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

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

[-- Attachment #1: Type: text/plain, Size: 2081 bytes --]

CC: kbuild-all(a)lists.01.org
TO: Denis Efremov <efremov@linux.com>
CC: Julia Lawall <Julia.Lawall@lip6.fr>
CC: Keith Busch <kbusch@kernel.org>
CC: Jens Axboe <axboe@kernel.dk>
CC: Christoph Hellwig <hch@lst.de>
CC: Sagi Grimberg <sagi@grimberg.me>
CC: linux-nvme(a)lists.infradead.org
CC: linux-kernel(a)vger.kernel.org

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

drivers/nvme/host/core.c:3646:60-61: WARNING opportunity for kobj_to_dev()
drivers/nvme/host/core.c:3403:60-61: 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:   44d8870f21529cfa8f50b503b5d949c6d46e6fc1
commit: a2fc3718bc22e85378085568ecc5765fb28cabce [3/10] coccinelle: api: add kobj_to_dev.cocci script
:::::: branch date: 19 hours ago
:::::: commit date: 6 weeks ago

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

 core.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -3400,7 +3400,7 @@ static struct attribute *nvme_ns_id_attr
 static umode_t nvme_ns_id_attrs_are_visible(struct kobject *kobj,
 		struct attribute *a, int n)
 {
-	struct device *dev = container_of(kobj, struct device, kobj);
+	struct device *dev = kobj_to_dev(kobj);
 	struct nvme_ns_ids *ids = &dev_to_ns_head(dev)->ids;
 
 	if (a == &dev_attr_uuid.attr) {
@@ -3643,7 +3643,7 @@ static struct attribute *nvme_dev_attrs[
 static umode_t nvme_dev_attrs_are_visible(struct kobject *kobj,
 		struct attribute *a, int n)
 {
-	struct device *dev = container_of(kobj, struct device, kobj);
+	struct device *dev = kobj_to_dev(kobj);
 	struct nvme_ctrl *ctrl = dev_get_drvdata(dev);
 
 	if (a == &dev_attr_delete_controller.attr && !ctrl->ops->delete_ctrl)