Since commit d492cc2573a0 ("driver core: device.h: make struct
bus_type a const *"), the driver core can properly handle constant
struct bus_type, move the tc_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@xxxxxxxxxxxxxxxxxxx>
Suggested-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Ricardo B. Marliere <ricardo@xxxxxxxxxxxx>
---
drivers/tc/tc-driver.c | 2 +-
include/linux/tc.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/tc/tc-driver.c b/drivers/tc/tc-driver.c
index d45f2c1ff341..1c9d983a5a1f 100644
--- a/drivers/tc/tc-driver.c
+++ b/drivers/tc/tc-driver.c
@@ -95,7 +95,7 @@ static int tc_bus_match(struct device *dev, struct device_driver *drv)
return 0;
}
-struct bus_type tc_bus_type = {
+const struct bus_type tc_bus_type = {
.name = "tc",
.match = tc_bus_match,
};
diff --git a/include/linux/tc.h b/include/linux/tc.h
index a60639f37963..1638660abf5e 100644
--- a/include/linux/tc.h
+++ b/include/linux/tc.h
@@ -120,7 +120,7 @@ static inline unsigned long tc_get_speed(struct tc_bus *tbus)
#ifdef CONFIG_TC
-extern struct bus_type tc_bus_type;
+extern const struct bus_type tc_bus_type;
extern int tc_register_driver(struct tc_driver *tdrv);
extern void tc_unregister_driver(struct tc_driver *tdrv);
---
base-commit: 716f4aaa7b48a55c73d632d0657b35342b1fefd7
change-id: 20240213-bus_cleanup-tc-57a088fbfb73
Best regards,
--
Ricardo B. Marliere <ricardo@xxxxxxxxxxxx>
