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dibs: change dibs_class to a const struct

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The class_create() call has been deprecated in favor of class_register()
as the driver core now allows for a struct class to be in read-only
memory. Change dibs_class to be a const struct class and drop the
class_create() call.

Link: https://lore.kernel.org/all/2023040244-duffel-pushpin-f738@gregkh/

Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Jori Koolstra <jkoolstra@xs4all.nl>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Alexandra Winter <wintera@linux.ibm.com>
Link: https://patch.msgid.link/20260303163104.3749311-1-jkoolstra@xs4all.nl
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jori Koolstra
2026-03-03 17:31:04 +01:00
committed by Jakub Kicinski
parent d37f53822c
commit ad3dfa80be
1 changed files with 8 additions and 6 deletions
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14
drivers/dibs/dibs_main.c
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@@ -19,7 +19,9 @@
MODULE_DESCRIPTION("Direct Internal Buffer Sharing class");
MODULE_LICENSE("GPL");
static struct class *dibs_class;
static const struct class dibs_class = {
.name = "dibs",
};
/* use an array rather a list for fast mapping: */
static struct dibs_client *clients[MAX_DIBS_CLIENTS];
@@ -137,7 +139,7 @@ struct dibs_dev *dibs_dev_alloc(void)
if (!dibs)
return dibs;
dibs->dev.release = dibs_dev_release;
dibs->dev.class = dibs_class;
dibs->dev.class = &dibs_class;
device_initialize(&dibs->dev);
return dibs;
@@ -253,9 +255,9 @@ static int __init dibs_init(void)
{
int rc;
dibs_class = class_create("dibs");
if (IS_ERR(dibs_class))
return PTR_ERR(dibs_class);
rc = class_register(&dibs_class);
if (rc)
return rc;
rc = dibs_loopback_init();
if (rc)
@@ -267,7 +269,7 @@ static int __init dibs_init(void)
static void __exit dibs_exit(void)
{
dibs_loopback_exit();
class_destroy(dibs_class);
class_unregister(&dibs_class);
}
subsys_initcall(dibs_init);