Commit 42c4c8fd authored by Ricardo B. Marliere's avatar Ricardo B. Marliere Committed by Heiko Carstens
Browse files

s390/cio: make css_bus_type const 



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

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatar"Ricardo B. Marliere" <ricardo@marliere.net>
Reviewed-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20240203-bus_cleanup-s390-v1-2-ac891afc7282@marliere.net


Signed-off-by: default avatarHeiko Carstens <hca@linux.ibm.com>
parent 0d78df87

drivers/s390/cio/css.c

+2 −2
Original line number Diff line number Diff line
@@ -39,7 +39,7 @@ int max_ssid; 


#define MAX_CSS_IDX 0

struct channel_subsystem *channel_subsystems[MAX_CSS_IDX + 1];

static struct bus_type css_bus_type;

static const struct bus_type css_bus_type;



int

for_each_subchannel(int(*fn)(struct subchannel_id, void *), void *data)
@@ -1409,7 +1409,7 @@ static int css_uevent(const struct device *dev, struct kobj_uevent_env *env) 
	return ret;

}



static struct bus_type css_bus_type = {

static const struct bus_type css_bus_type = {

	.name     = "css",

	.match    = css_bus_match,

	.probe    = css_probe,