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drivers: eisa: make eisa_bus_type const 

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

Signed-off-by: Adrian Barnaś <abarnas@google.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://patch.msgid.link/20250919065327.672924-1-abarnas@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
pull/1354/merge
Adrian Barnaś 2025-09-19 06:53:27 +00:00 committed by Greg Kroah-Hartman
parent b93606c51b
commit 61e6063056
2 changed files with 2 additions and 2 deletions
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2
drivers/eisa/eisa-bus.c
View File

@ -135,7 +135,7 @@ static int eisa_bus_uevent(const struct device *dev, struct kobj_uevent_env *env
return 0;
}
struct bus_type eisa_bus_type = {
const struct bus_type eisa_bus_type = {
.name = "eisa",
.match = eisa_bus_match,
.uevent = eisa_bus_uevent,

2
include/linux/eisa.h
View File

@ -68,7 +68,7 @@ struct eisa_driver {
/* These external functions are only available when EISA support is enabled. */
#ifdef CONFIG_EISA
extern struct bus_type eisa_bus_type;
extern const struct bus_type eisa_bus_type;
int eisa_driver_register (struct eisa_driver *edrv);
void eisa_driver_unregister (struct eisa_driver *edrv);