Commit 37d158d0 authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman Committed by Jiri Kosina
Browse files

HID: make hid_bus_type const 



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

Cc: Jiri Kosina <jikos@kernel.org>
Cc: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Cc: linux-input@vger.kernel.org
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.com>
parent 3f10e214

drivers/hid/hid-core.c

+1 −1
Original line number Diff line number Diff line
@@ -2749,7 +2749,7 @@ static int hid_uevent(const struct device *dev, struct kobj_uevent_env *env) 
	return 0;

}



struct bus_type hid_bus_type = {

const struct bus_type hid_bus_type = {

	.name		= "hid",

	.dev_groups	= hid_dev_groups,

	.drv_groups	= hid_drv_groups,

include/linux/hid.h

+1 −1
Original line number Diff line number Diff line
@@ -912,7 +912,7 @@ extern bool hid_ignore(struct hid_device *); 
extern int hid_add_device(struct hid_device *);

extern void hid_destroy_device(struct hid_device *);



extern struct bus_type hid_bus_type;

extern const struct bus_type hid_bus_type;



extern int __must_check __hid_register_driver(struct hid_driver *,

		struct module *, const char *mod_name);