[PATCH 6/6] s390: vfio-ap: make matrix_bus const

[Ricardo B. Marliere]

Now that the driver core can properly handle constant struct bus_type,
move the matrix_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/s390/crypto/vfio_ap_drv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/s390/crypto/vfio_ap_drv.c b/drivers/s390/crypto/vfio_ap_drv.c
index a5ab03e42ff1..4aeb3e1213c7 100644
--- a/drivers/s390/crypto/vfio_ap_drv.c
+++ b/drivers/s390/crypto/vfio_ap_drv.c
@@ -60,7 +60,7 @@ static void vfio_ap_matrix_dev_release(struct device *dev)
 	kfree(matrix_dev);
 }
 
-static struct bus_type matrix_bus = {
+static const struct bus_type matrix_bus = {
 	.name = "matrix",
 };
 

-- 
2.43.0