Now that the driver core can properly handle constant struct bus_type,
move the mdev_bus_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Suggested-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Ricardo B. Marliere <ricardo@xxxxxxxxxxxx>
---
drivers/vfio/mdev/mdev_driver.c | 2 +-
drivers/vfio/mdev/mdev_private.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/vfio/mdev/mdev_driver.c b/drivers/vfio/mdev/mdev_driver.c
index 7825d83a55f8..b98322966b3e 100644
--- a/drivers/vfio/mdev/mdev_driver.c
+++ b/drivers/vfio/mdev/mdev_driver.c
@@ -40,7 +40,7 @@ static int mdev_match(struct device *dev, struct device_driver *drv)
return 0;
}
-struct bus_type mdev_bus_type = {
+const struct bus_type mdev_bus_type = {
.name = "mdev",
.probe = mdev_probe,
.remove = mdev_remove,
diff --git a/drivers/vfio/mdev/mdev_private.h b/drivers/vfio/mdev/mdev_private.h
index af457b27f607..63a1316b08b7 100644
--- a/drivers/vfio/mdev/mdev_private.h
+++ b/drivers/vfio/mdev/mdev_private.h
@@ -13,7 +13,7 @@
int mdev_bus_register(void);
void mdev_bus_unregister(void);
-extern struct bus_type mdev_bus_type;
+extern const struct bus_type mdev_bus_type;
extern const struct attribute_group *mdev_device_groups[];
#define to_mdev_type_attr(_attr) \
---
base-commit: 78f70c02bdbccb5e9b0b0c728185d4aeb7044ace
change-id: 20240208-bus_cleanup-vfio-75a6180b5efe
Best regards,
--
Ricardo B. Marliere <ricardo@xxxxxxxxxxxx>
