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From: Armin Wolf <W_Armin@gmx.de>
To: Dell.Client.Kernel@dell.com, pali@kernel.org, mjg59@srcf.ucam.org
Cc: hansg@kernel.org, ilpo.jarvinen@linux.intel.com,
	platform-driver-x86@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux@roeck-us.net,
	linux-hwmon@vger.kernel.org
Subject: [PATCH 7/9] platform/wmi: Make wmi_bus_class const
Date: Sun,  8 Mar 2026 01:25:20 +0100	[thread overview]
Message-ID: <20260308002522.4185-8-W_Armin@gmx.de> (raw)
In-Reply-To: <20260308002522.4185-1-W_Armin@gmx.de>

The functions class_register()/_unregister() and device_create()
both support taking a const pointer to the class struct. Use this
to mark wmi_bus_class as const so that it can be placed into
read-only memory for better security.

Signed-off-by: Armin Wolf <W_Armin@gmx.de>
---
 drivers/platform/wmi/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/platform/wmi/core.c b/drivers/platform/wmi/core.c
index b8e6b9a421c6..082c85625878 100644
--- a/drivers/platform/wmi/core.c
+++ b/drivers/platform/wmi/core.c
@@ -1069,7 +1069,7 @@ static void wmi_dev_shutdown(struct device *dev)
 	}
 }
 
-static struct class wmi_bus_class = {
+static const struct class wmi_bus_class = {
 	.name = "wmi_bus",
 };
 
-- 
2.39.5


  parent reply	other threads:[~2026-03-08  0:25 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-08  0:25 [PATCH 0/9] Convert most Dell WMI drivers to use the new buffer-based API Armin Wolf
2026-03-08  0:25 ` [PATCH 1/9] platform/x86: dell-descriptor: Use new buffer-based WMI API Armin Wolf
2026-03-09 15:41   ` Mario Limonciello
2026-03-09 17:23     ` Pali Rohár
2026-03-09 19:45       ` Armin Wolf
2026-03-10  1:53         ` Mario Limonciello
2026-03-10 10:46         ` Gergo Koteles
2026-03-14 17:55           ` Armin Wolf
2026-03-08  0:25 ` [PATCH 2/9] platform/x86: dell-privacy: " Armin Wolf
2026-03-08  0:25 ` [PATCH 3/9] platform/x86: dell-smbios-wmi: " Armin Wolf
2026-03-08  0:25 ` [PATCH 4/9] platform/x86: dell-wmi-base: " Armin Wolf
2026-03-08  0:25 ` [PATCH 5/9] platform/x86: dell-ddv: " Armin Wolf
2026-03-08  0:25 ` [PATCH 6/9] hwmon: (dell-smm) " Armin Wolf
2026-03-08 14:52   ` Guenter Roeck
2026-03-08 20:03     ` Armin Wolf
2026-03-08  0:25 ` Armin Wolf [this message]
2026-03-08  0:25 ` [PATCH 8/9] platform/wmi: Make sysfs attributes const Armin Wolf
2026-03-08  0:25 ` [PATCH 9/9] modpost: Handle malformed WMI GUID strings Armin Wolf
2026-03-09 16:07   ` Mario Limonciello
2026-03-14 17:56     ` Armin Wolf

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