Commit dedb8689 authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
Browse files

driver core: container: make container_subsys const 

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

Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Link: https://lore.kernel.org/r/2023121919-chatter-grumbling-9ef3@gregkh


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 32f78abe

drivers/base/container.c

+1 −1
Original line number Diff line number Diff line
@@ -24,7 +24,7 @@ static int container_offline(struct device *dev) 
	return cdev->offline ? cdev->offline(cdev) : 0;

}



struct bus_type container_subsys = {

const struct bus_type container_subsys = {

	.name = CONTAINER_BUS_NAME,

	.dev_name = CONTAINER_BUS_NAME,

	.online = trivial_online,

include/linux/container.h

+1 −1
Original line number Diff line number Diff line
@@ -12,7 +12,7 @@ 
#include <linux/device.h>



/* drivers/base/power/container.c */

extern struct bus_type container_subsys;

extern const struct bus_type container_subsys;



struct container_dev {

	struct device dev;