2024-02-04 19:52:00

by Ricardo B. Marliere

Subject: [PATCH] intel_th: make intel_th_bus const

Now that the driver core can properly handle constant struct bus_type,
move the intel_th_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/hwtracing/intel_th/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hwtracing/intel_th/core.c b/drivers/hwtracing/intel_th/core.c
index cc7f879bb175..7df56b4093f8 100644
--- a/drivers/hwtracing/intel_th/core.c
+++ b/drivers/hwtracing/intel_th/core.c
@@ -166,7 +166,7 @@ static void intel_th_remove(struct device *dev)
pm_runtime_enable(dev);
}

-static struct bus_type intel_th_bus = {
+static const struct bus_type intel_th_bus = {
.name = "intel_th",
.match = intel_th_match,
.probe = intel_th_probe,

---
base-commit: 41b9fb381a486360b2daaec0c7480f8e3ff72bc7
change-id: 20240204-bus_cleanup-hwtracing-49f176bf033e

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

2024-02-05 19:54:58

by Greg Kroah-Hartman

Subject: Re: [PATCH] intel_th: make intel_th_bus const

On Sun, Feb 04, 2024 at 04:52:18PM -0300, Ricardo B. Marliere wrote:
> Now that the driver core can properly handle constant struct bus_type,
> move the intel_th_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]>