parport: make parport_bus_type const

Now that the driver core can properly handle constant struct bus_type,
move the parport_bus_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.

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>
Link: https://lore.kernel.org/r/20240204-bus_cleanup-parport-v1-1-e6a0f756bbb8@marliere.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ricardo B. Marliere 2024-02-04 17:25:51 -03:00 committed by Greg Kroah-Hartman
parent b5dd424181
commit fca3eff7d3

View File

@ -130,7 +130,7 @@ static int parport_probe(struct device *dev)
return drv->probe(to_pardevice(dev));
}
static struct bus_type parport_bus_type = {
static const struct bus_type parport_bus_type = {
.name = "parport",
.probe = parport_probe,
};