Commit 8be0c877 authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
Browse files

thunderbolt: make tb_bus_type const 



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

Cc: Andreas Noever <andreas.noever@gmail.com>
Cc: Michael Jamet <michael.jamet@intel.com>
Cc: Yehezkel Bernat <YehezkelShB@gmail.com>
Cc:  <linux-usb@vger.kernel.org>
Acked-by: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
Link: https://lore.kernel.org/r/2023121904-utopia-broadcast-06d1@gregkh


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent e9158c7e

drivers/thunderbolt/domain.c

+1 −1
Original line number Diff line number Diff line
@@ -307,7 +307,7 @@ static const struct attribute_group *domain_attr_groups[] = { 
	NULL,

};



struct bus_type tb_bus_type = {

const struct bus_type tb_bus_type = {

	.name = "thunderbolt",

	.match = tb_service_match,

	.probe = tb_service_probe,

include/linux/thunderbolt.h

+1 −1
Original line number Diff line number Diff line
@@ -86,7 +86,7 @@ struct tb { 
	unsigned long privdata[];

};



extern struct bus_type tb_bus_type;

extern const struct bus_type tb_bus_type;

extern struct device_type tb_service_type;

extern struct device_type tb_xdomain_type;