Commit 9fd2eb9e authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
Browse files

cdx: make cdx_bus_type constant 



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

Cc: Nipun Gupta <nipun.gupta@amd.com>
Cc: Nikhil Agarwal <nikhil.agarwal@amd.com>
Acked-by: default avatarNipun Gupta <nipun.gupta@amd.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://patch.msgid.link/2025091439-sustained-acorn-4af4@gregkh


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 69cddd82

drivers/cdx/cdx.c

+2 −2
Original line number Diff line number Diff line
@@ -170,7 +170,7 @@ static int cdx_unregister_device(struct device *dev, 
	return 0;

}



static void cdx_unregister_devices(struct bus_type *bus)

static void cdx_unregister_devices(const struct bus_type *bus)

{

	/* Reset all the devices attached to cdx bus */

	bus_for_each_dev(bus, NULL, NULL, cdx_unregister_device);
@@ -651,7 +651,7 @@ static struct attribute *cdx_bus_attrs[] = { 
};

ATTRIBUTE_GROUPS(cdx_bus);



struct bus_type cdx_bus_type = {

const struct bus_type cdx_bus_type = {

	.name		= "cdx",

	.match		= cdx_bus_match,

	.probe		= cdx_probe,

include/linux/cdx/cdx_bus.h

+1 −1
Original line number Diff line number Diff line
@@ -234,7 +234,7 @@ int __must_check __cdx_driver_register(struct cdx_driver *cdx_driver, 
 */

void cdx_driver_unregister(struct cdx_driver *cdx_driver);



extern struct bus_type cdx_bus_type;

extern const struct bus_type cdx_bus_type;



/**

 * cdx_dev_reset - Reset CDX device