Since commit
aed65af1cc2f ("drivers: make device_type const"), the driver
core can properly handle constant struct device_type. Move the
sdw_master_type and sdw_slave_type variables to be constant structures as
well, placing it into read-only memory which can not be modified at
runtime.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Ricardo B. Marliere" <ricardo@marliere.net>
Link: https://lore.kernel.org/r/20240219-device_cleanup-soundwire-v1-1-9edd51767611@marliere.net
Signed-off-by: Vinod Koul <vkoul@kernel.org>
pm_generic_runtime_resume, NULL)
};
-struct device_type sdw_master_type = {
+const struct device_type sdw_master_type = {
.name = "soundwire_master",
.release = sdw_master_device_release,
.pm = &master_dev_pm,
kfree(slave);
}
-struct device_type sdw_slave_type = {
+const struct device_type sdw_slave_type = {
.name = "sdw_slave",
.release = sdw_slave_release,
.uevent = sdw_slave_uevent,
#define __SOUNDWIRE_TYPES_H
extern const struct bus_type sdw_bus_type;
-extern struct device_type sdw_slave_type;
-extern struct device_type sdw_master_type;
+extern const struct device_type sdw_slave_type;
+extern const struct device_type sdw_master_type;
static inline int is_sdw_slave(const struct device *dev)
{