driver core: core: move to use class_to_subsys()

There are a number of places in core.c that need access to the private
subsystem structure of struct class, so move them to use
class_to_subsys() instead of accessing it directly.

This requires exporting class_to_subsys() out of class.c, but keeping it
local to the driver core.

Reviewed-by: Rafael J. Wysocki <rafael@kernel.org>
Link: https://lore.kernel.org/r/20230331093318.82288-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/base/class.c b/drivers/base/class.c
index 1f12bd5d56d9..68a6f9b56d19 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -39,7 +39,7 @@ static struct kset *class_kset;
  * NULL.  A call to subsys_put() must be done when finished with the pointer in
  * order for it to be properly freed.
  */
-static struct subsys_private *class_to_subsys(const struct class *class)
+struct subsys_private *class_to_subsys(const struct class *class)
 {
 	struct subsys_private *sp = NULL;
 	struct kobject *kobj;