linux-kernel - [PATCH v2 7/7] HID: cmedia: constify fixed up report descriptor

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Message-Id: <20240803-hid-const-fixup-v2-7-f53d7a7b29d8@weissschuh.net>
Date: Sat, 03 Aug 2024 14:34:23 +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 7/7] HID: cmedia: constify fixed up report descriptor

The HID core now allows static report descriptors to be read-only,
make use of it.

Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
---
 drivers/hid/hid-cmedia.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/hid/hid-cmedia.c b/drivers/hid/hid-cmedia.c
index 01009c95613c..528d7f361215 100644
--- a/drivers/hid/hid-cmedia.c
+++ b/drivers/hid/hid-cmedia.c
@@ -26,7 +26,7 @@ MODULE_LICENSE("GPL");
 /* Fixed report descriptor of HS-100B audio chip
  * Bit 4 is an abolute Microphone mute usage instead of being unassigned.
  */
-static __u8 hs100b_rdesc_fixed[] = {
+static const __u8 hs100b_rdesc_fixed[] = {
 	0x05, 0x0C,         /*  Usage Page (Consumer),          */
 	0x09, 0x01,         /*  Usage (Consumer Control),       */
 	0xA1, 0x01,         /*  Collection (Application),       */
@@ -204,8 +204,8 @@ static const __u8 *cmhid_hs100b_report_fixup(struct hid_device *hid, __u8 *rdesc
 {
 	if (*rsize == HS100B_RDESC_ORIG_SIZE) {
 		hid_info(hid, "Fixing CMedia HS-100B report descriptor\n");
-		rdesc = hs100b_rdesc_fixed;
 		*rsize = sizeof(hs100b_rdesc_fixed);
+		return hs100b_rdesc_fixed;
 	}
 	return rdesc;
 }

-- 
2.46.0