linux-kernel - [PATCH] staging: fieldbus: make fieldbus

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Message-Id: <20240301-class_cleanup-staging-v1-1-34db2a5b0eb0@marliere.net>
Date: Fri, 01 Mar 2024 18:24:05 -0300
From: "Ricardo B. Marliere" <ricardo@...liere.net>
To: Sven Van Asbroeck <TheSven73@...il.com>, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org, 
 "Ricardo B. Marliere" <ricardo@...liere.net>
Subject: [PATCH] staging: fieldbus: make fieldbus_class constant

Since commit 43a7206b0963 ("driver core: class: make class_register() take
a const *"), the driver core allows for struct class to be in read-only
memory, so move the fieldbus_class structure to be declared at build time
placing it into read-only memory, instead of having to be dynamically
allocated at boot time.

Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@...liere.net>
---
 drivers/staging/fieldbus/dev_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/fieldbus/dev_core.c b/drivers/staging/fieldbus/dev_core.c
index 370a229443a1..0053ebd91442 100644
--- a/drivers/staging/fieldbus/dev_core.c
+++ b/drivers/staging/fieldbus/dev_core.c
@@ -152,7 +152,7 @@ static const struct attribute_group fieldbus_group = {
 };
 __ATTRIBUTE_GROUPS(fieldbus);

-static struct class fieldbus_class = {
+static const struct class fieldbus_class = {
 	.name =		"fieldbus_dev",
 	.dev_groups =	fieldbus_groups,
 };

---
base-commit: 455c5e12a3b7d08c2ab47b7dd54944901c69cdcd
change-id: 20240301-class_cleanup-staging-7bbbff72a7cb

Best regards,
-- 
Ricardo B. Marliere <ricardo@...liere.net>