2024-02-04 20:50:27

by Ricardo B. Marliere

Subject: [PATCH] vdpa: make vdpa_bus const

Now that the driver core can properly handle constant struct bus_type,
move the vdpa_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 <[email protected]>
Suggested-by: Greg Kroah-Hartman <[email protected]>
Signed-off-by: Ricardo B. Marliere <[email protected]>
---
drivers/vdpa/vdpa.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/vdpa/vdpa.c b/drivers/vdpa/vdpa.c
index d0695680b282..c73c06102e7e 100644
--- a/drivers/vdpa/vdpa.c
+++ b/drivers/vdpa/vdpa.c
@@ -115,7 +115,7 @@ static const struct attribute_group vdpa_dev_group = {
};
__ATTRIBUTE_GROUPS(vdpa_dev);

-static struct bus_type vdpa_bus = {
+static const struct bus_type vdpa_bus = {
.name = "vdpa",
.dev_groups = vdpa_dev_groups,
.match = vdpa_dev_match,

---
base-commit: 41b9fb381a486360b2daaec0c7480f8e3ff72bc7
change-id: 20240204-bus_cleanup-vdpa-8e19b86329f6

Best regards,
--
Ricardo B. Marliere <[email protected]>

2024-02-05 19:09:28

by Greg Kroah-Hartman

Subject: Re: [PATCH] vdpa: make vdpa_bus const

On Sun, Feb 04, 2024 at 05:50:45PM -0300, Ricardo B. Marliere wrote:
> Now that the driver core can properly handle constant struct bus_type,
> move the vdpa_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 <[email protected]>
> Suggested-by: Greg Kroah-Hartman <[email protected]>
> Signed-off-by: Ricardo B. Marliere <[email protected]>

Reviewed-by: Greg Kroah-Hartman <[email protected]>