[PATCH] ata: pata_parport: make pata_parport_bus_type const

Ricardo B. Marliere
2024-02-04T15:23:04Z

Now that the driver core can properly handle constant struct bus_type,
move the pata_parport_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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
---
drivers/ata/pata_parport/pata_parport.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/ata/pata_parport/pata_parport.c b/drivers/ata/pata_parport/pata_parport.c
index a7adfdcb5e27..9a2cb9ca9d1d 100644
--- a/drivers/ata/pata_parport/pata_parport.c
+++ b/drivers/ata/pata_parport/pata_parport.c
@@ -464,7 +464,7 @@ static void pata_parport_bus_release(struct device *dev)
/* nothing to do here but required to avoid warning on device removal */
}

-static struct bus_type pata_parport_bus_type = {
+static const struct bus_type pata_parport_bus_type = {
.name = DRV_NAME,
};

---
base-commit: c8474c7273ac3bad718c33118aa82efb7b374f6e
change-id: 20240204-bus_cleanup-ata-bd1625fdab09

Best regards,
--
Ricardo B. Marliere <ricardo@marliere.net>