[PATCH 06/14] vfio/mdev: remove mdev_from_dev

[Christoph Hellwig]

Just open code it in the only caller.

Signed-off-by: Christoph Hellwig <hch at lst.de>
Reviewed-by: Jason Gunthorpe <jgg at nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian at intel.com>
Reviewed By: Kirti Wankhede <kwankhede at nvidia.com>
---
 drivers/vfio/mdev/mdev_core.c | 6 ++----
 include/linux/mdev.h          | 4 ----
 2 files changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/vfio/mdev/mdev_core.c b/drivers/vfio/mdev/mdev_core.c
index 2d95a497fd3b2..bde7ce620dae0 100644
--- a/drivers/vfio/mdev/mdev_core.c
+++ b/drivers/vfio/mdev/mdev_core.c
@@ -53,10 +53,8 @@ static void mdev_device_remove_common(struct mdev_device *mdev)
 
 static int mdev_device_remove_cb(struct device *dev, void *data)
 {
-	struct mdev_device *mdev = mdev_from_dev(dev);
-
-	if (mdev)
-		mdev_device_remove_common(mdev);
+	if (dev->bus == &mdev_bus_type)
+		mdev_device_remove_common(to_mdev_device(dev));
 	return 0;
 }
 
diff --git a/include/linux/mdev.h b/include/linux/mdev.h
index 19bc93c10e8c7..4f558de52fd94 100644
--- a/include/linux/mdev.h
+++ b/include/linux/mdev.h
@@ -102,9 +102,5 @@ static inline struct device *mdev_dev(struct mdev_device *mdev)
 {
 	return &mdev->dev;
 }
-static inline struct mdev_device *mdev_from_dev(struct device *dev)
-{
-	return dev->bus == &mdev_bus_type ? to_mdev_device(dev) : NULL;
-}
 
 #endif /* MDEV_H */
-- 
2.30.2