intel_th: make intel_th_bus_type constant

Now that the driver core can properly handle constant struct bus_type,
move the intel_th_bus_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.

Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://patch.msgid.link/2025091412-machine-despair-248e@gregkh
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/hwtracing/intel_th/core.c b/drivers/hwtracing/intel_th/core.c
index 47d9e6c3bac0415336d3293494e58307ef9a27a7..ba7c8b184cbcb6f34cf48570a8cc8bbeb1b26e96 100644 (file)
--- 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,