linux-kernel - [PATCH v2 5/7] HID: constify hid_device::dev

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Message-Id: <20240803-hid-const-fixup-v2-5-f53d7a7b29d8@weissschuh.net>
Date: Sat, 03 Aug 2024 14:34:21 +0200
From: Thomas Weißschuh <linux@...ssschuh.net>
To: Jiri Kosina <jikos@...nel.org>, Benjamin Tissoires <bentiss@...nel.org>
Cc: linux-input@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Thomas Weißschuh <linux@...ssschuh.net>
Subject: [PATCH v2 5/7] HID: constify hid_device::dev_rdesc

Once a report descriptor has been created by the HID core it is not
supposed to be modified anymore.
Enforce this invariant through the type system.

Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
---
 include/linux/hid.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/hid.h b/include/linux/hid.h
index 502bbc6f078c..c5fb43db0f2e 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -600,7 +600,7 @@ struct hid_driver;
 struct hid_ll_driver;
 
 struct hid_device {							/* device report descriptor */
-	__u8 *dev_rdesc;
+	const __u8 *dev_rdesc;
 	unsigned dev_rsize;
 	const __u8 *rdesc;
 	unsigned rsize;

-- 
2.46.0