diff options
| author | Adrian Barnaś <abarnas@google.com> | 2025-09-19 06:53:27 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-10-22 07:55:00 +0200 |
| commit | 61e606305672342858a647af3629d9dfcc4e4265 (patch) | |
| tree | 99b827eec6e57a20cf8d38920e901a5eef051932 | |
| parent | b93606c51b5463766c4cf250072df219f20f49bb (diff) | |
| download | lwn-61e606305672342858a647af3629d9dfcc4e4265.tar.gz lwn-61e606305672342858a647af3629d9dfcc4e4265.zip | |
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>
| -rw-r--r-- | drivers/eisa/eisa-bus.c | 2 | ||||
| -rw-r--r-- | include/linux/eisa.h | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/eisa/eisa-bus.c b/drivers/eisa/eisa-bus.c index edceea083b98..bd76d599109c 100644 --- a/drivers/eisa/eisa-bus.c +++ b/drivers/eisa/eisa-bus.c @@ -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, diff --git a/include/linux/eisa.h b/include/linux/eisa.h index 21a2ecc1e538..cf55630b595b 100644 --- a/include/linux/eisa.h +++ b/include/linux/eisa.h @@ -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); |