Now that the driver core can properly handle constant struct bus_type,
move the serio_bus 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@xxxxxxxxxxxxxxxxxxx>
Suggested-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Ricardo B. Marliere <ricardo@xxxxxxxxxxxx>
---
drivers/input/serio/serio.c | 2 +-
include/linux/serio.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c
index 767fc9efb4a8..a8838b522627 100644
--- a/drivers/input/serio/serio.c
+++ b/drivers/input/serio/serio.c
@@ -1007,7 +1007,7 @@ irqreturn_t serio_interrupt(struct serio *serio,
}
EXPORT_SYMBOL(serio_interrupt);
-struct bus_type serio_bus = {
+const struct bus_type serio_bus = {
.name = "serio",
.drv_groups = serio_driver_groups,
.match = serio_bus_match,
diff --git a/include/linux/serio.h b/include/linux/serio.h
index 6c27d413da92..7ca41af93b37 100644
--- a/include/linux/serio.h
+++ b/include/linux/serio.h
@@ -15,7 +15,7 @@
#include <linux/mod_devicetable.h>
#include <uapi/linux/serio.h>
-extern struct bus_type serio_bus;
+extern const struct bus_type serio_bus;
struct serio {
void *port_data;
--
2.43.0
