[PATCH 04/13] vfio/mdev: remove mdev_{create,remove}_sysfs_files

[Christoph Hellwig <hch@xxxxxx>]

Just fold these two trivial helpers into their only callers.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>
---
 drivers/vfio/mdev/mdev_core.c    | 12 ++++++++++--
 drivers/vfio/mdev/mdev_private.h |  3 ---
 drivers/vfio/mdev/mdev_sysfs.c   | 28 ----------------------------
 3 files changed, 10 insertions(+), 33 deletions(-)

diff --git a/drivers/vfio/mdev/mdev_core.c b/drivers/vfio/mdev/mdev_core.c
index 71c7f4e521a74..fe4230b21993d 100644
--- a/drivers/vfio/mdev/mdev_core.c
+++ b/drivers/vfio/mdev/mdev_core.c
@@ -44,7 +44,8 @@ static void mdev_device_remove_common(struct mdev_device *mdev)
 {
 	struct mdev_parent *parent = mdev->type->parent;
 
-	mdev_remove_sysfs_files(mdev);
+	sysfs_remove_link(&mdev->dev.kobj, "mdev_type");
+	sysfs_remove_link(mdev->type->devices_kobj, dev_name(&mdev->dev));
 	device_del(&mdev->dev);
 	lockdep_assert_held(&parent->unreg_sem);
 	/* Balances with device_initialize() */
@@ -212,16 +213,23 @@ int mdev_device_create(struct mdev_type *type, const guid_t *uuid)
 	if (ret)
 		goto out_del;
 
-	ret = mdev_create_sysfs_files(mdev);
+	ret = sysfs_create_link(type->devices_kobj, &mdev->dev.kobj,
+				dev_name(&mdev->dev));
 	if (ret)
 		goto out_del;
 
+	ret = sysfs_create_link(&mdev->dev.kobj, &type->kobj, "mdev_type");
+	if (ret)
+		goto out_remove_type_link;
+
 	mdev->active = true;
 	dev_dbg(&mdev->dev, "MDEV: created\n");
 	up_read(&parent->unreg_sem);
 
 	return 0;
 
+out_remove_type_link:
+	sysfs_remove_link(mdev->type->devices_kobj, dev_name(&mdev->dev));
 out_del:
 	device_del(&mdev->dev);
 out_unlock:
diff --git a/drivers/vfio/mdev/mdev_private.h b/drivers/vfio/mdev/mdev_private.h
index 6980f504018f3..346b9ec320466 100644
--- a/drivers/vfio/mdev/mdev_private.h
+++ b/drivers/vfio/mdev/mdev_private.h
@@ -20,9 +20,6 @@ extern const struct attribute_group *mdev_device_groups[];
 #define to_mdev_type(_kobj)		\
 	container_of(_kobj, struct mdev_type, kobj)
 
-int  mdev_create_sysfs_files(struct mdev_device *mdev);
-void mdev_remove_sysfs_files(struct mdev_device *mdev);
-
 int mdev_type_add(struct mdev_parent *parent, struct mdev_type *type);
 void mdev_type_remove(struct mdev_type *type);
 
diff --git a/drivers/vfio/mdev/mdev_sysfs.c b/drivers/vfio/mdev/mdev_sysfs.c
index 09745e8e120f9..dd81b91afcf7d 100644
--- a/drivers/vfio/mdev/mdev_sysfs.c
+++ b/drivers/vfio/mdev/mdev_sysfs.c
@@ -170,31 +170,3 @@ const struct attribute_group *mdev_device_groups[] = {
 	&mdev_device_group,
 	NULL
 };
-
-int mdev_create_sysfs_files(struct mdev_device *mdev)
-{
-	struct mdev_type *type = mdev->type;
-	struct kobject *kobj = &mdev->dev.kobj;
-	int ret;
-
-	ret = sysfs_create_link(type->devices_kobj, kobj, dev_name(&mdev->dev));
-	if (ret)
-		return ret;
-
-	ret = sysfs_create_link(kobj, &type->kobj, "mdev_type");
-	if (ret)
-		goto type_link_failed;
-	return ret;
-
-type_link_failed:
-	sysfs_remove_link(mdev->type->devices_kobj, dev_name(&mdev->dev));
-	return ret;
-}
-
-void mdev_remove_sysfs_files(struct mdev_device *mdev)
-{
-	struct kobject *kobj = &mdev->dev.kobj;
-
-	sysfs_remove_link(kobj, "mdev_type");
-	sysfs_remove_link(mdev->type->devices_kobj, dev_name(&mdev->dev));
-}
-- 
2.30.2