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| author |   Ricardo B. Marliere <ricardo@marliere.net> | 2024-02-08 17:02:04 -0300 |
|---|---|---|
| committer |   Alex Williamson <alex.williamson@redhat.com> | 2024-02-22 12:19:33 -0700 |
| commit | 77943f4d2de0c5fa284013b97967e6c271c04310 (patch) | |
| tree | cccef9c8572f861d118062365c2658a38bb3bb03 /drivers/vfio | |
| parent | MAINTAINERS: Re-alphabetize VFIO (diff) | |
| download | wireguard-linux-77943f4d2de0c5fa284013b97967e6c271c04310.tar.xz wireguard-linux-77943f4d2de0c5fa284013b97967e6c271c04310.zip | |
vfio: mdev: make mdev_bus_type const
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@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kirti Wankhede <kwankhede@nvidia.com>
Link: https://lore.kernel.org/r/20240208-bus_cleanup-vfio-v1-1-ed5da3019949@marliere.net
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'drivers/vfio')
| -rw-r--r-- | drivers/vfio/mdev/mdev_driver.c | 2 | ||||
| -rw-r--r-- | 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) \ |