[PATCH] dibs: change dibs_class to a const struct
From: Jori Koolstra <jkoolstra@xs4all.nl>
Date: 2026-03-02 16:31:44
Also in:
lkml
Subsystem:
dibs (direct internal buffer sharing), the rest · Maintainers:
Alexandra Winter, Linus Torvalds
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. Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Jori Koolstra <jkoolstra@xs4all.nl> --- drivers/dibs/dibs_main.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-)
diff --git a/drivers/dibs/dibs_main.c b/drivers/dibs/dibs_main.c
index f1816361b74d..14c3e2d84902 100644
--- a/drivers/dibs/dibs_main.c
+++ b/drivers/dibs/dibs_main.c@@ -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);
base-commit: d466c332e106fe666d1e2f5a24d08e308bebbfa1 -- 2.53.0