From nobody Fri Nov 29 00:57:12 2024 Received: from mail-ot1-f45.google.com (mail-ot1-f45.google.com [209.85.210.45]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B95EE185B55; Thu, 26 Sep 2024 07:26:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.45 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727335603; cv=none; b=syUn1AOBZAcEk9zRdlkusLrr7167HQ9VgOZnHKotSObioQIunfGy1M7CpZb88NwWs0SuPtZPFoxuDPQDMWUEB5WP3YCu+kQo+rTBebnK3zdMZEotgMJ6J8ukoZGpsJV5wvRcdO4xTqcpDpksSY6OqJAtbrtu0Vb6M4mLYQezEZI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727335603; c=relaxed/simple; bh=juqhsBDgk/qJ2OoFwalVGkUMzZ8OxYXE80kYUkcez+s=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=T7qUlsmx06j1m2U+UH5ULGQUqWqtNVOdAHluV0m+zTV0v7y4bTZzLYKtiNmyE1R2/t7ps0NDn46U3HBQz5nmZDDRrKfPcIoUVhScRnk+tNM/G4eCz9XSTuQAYiM0zMYJg/TVj43eavsz0T1KeSFVlO/bzChshAC8hKxRG1iBHEU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=LykKmUkC; arc=none smtp.client-ip=209.85.210.45 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="LykKmUkC" Received: by mail-ot1-f45.google.com with SMTP id 46e09a7af769-710e910dd7dso408554a34.2; Thu, 26 Sep 2024 00:26:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1727335600; x=1727940400; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=BCku12FFLOCaOziMj0MbSv/94Oa74+TUIaChEUsPCYg=; b=LykKmUkCF8y3RHYYlbVFNTuIxXHzlDWr1+xDQ2wExGDDMM7QnogX8zgQs/GNZpNruC Vk8D5uPPX+q7mlVaaRX+9Ipm2+F46LCeQHX2LDQIP7lRcZG8GLWpQ2kjCjYAAUbZeQoh brfmaghMaI/1x88bP+d9b8GGcJsdBtCd4phc3ZHjDcVSfRQzsktIFZWNL3fyZ5fW0MNE Kpnn7H71r9xDZXOyebpynzrOqHo+OldBQtOHfQ7dZ3BM0FBmquO6jw/dE5Vy0D/CweOq 0jVknt8v90FxGFEpzkGJe96Dd/k1PFKLKgKgrd4SJIu1e1cbRwhIHdGbxN+66pvY2E7L DgaQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1727335600; x=1727940400; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=BCku12FFLOCaOziMj0MbSv/94Oa74+TUIaChEUsPCYg=; b=hOq+EKRBeWrls62Jv/0iWGVigdNlI7YfV6NQp0uozMWJYlHIohBJTV9k8wWu9VPxEs 79vFW/fvEzSbiHWdq09NQadtjH20tHtPwaaAZT5pALYI6KKbt1Nzx7u70rtqnsmgPJ4z S23I98voBsAPFpu+nti98+qsn/Pfyj1efU7KJaW5+9x3QYzOt0AP7jrDCpPe1CNViOt2 RyqxG5btUpit/Gj7Hhs/Ub/AajqOpqx5+2BtxYSUjaSKb6OOm3IxOTqcDxjxVXrBN9jA KxR0XlpsFuNsq6xPk0G1IKEnB8AuSsiyvGw1NNe3JAkPebzyetDg7j7qN5T3XNBwP6xz tQVA== X-Forwarded-Encrypted: i=1; AJvYcCVqc3UKVXaRKh3Ht4BGdGc4u/33XCvRv4p9hlMpQiEw3Z1K+sjVArCZ2hYfEgX4eLk2oVfGQ2+t5fTBZGXH@vger.kernel.org, AJvYcCWgnB3zfEXpBK3UJ27eDCZAKSGzk7U80JtejCh/SdPNKik+325NO1avrbVSSDECNa4M6MQdqoXVH3lvZg==@vger.kernel.org X-Gm-Message-State: AOJu0Yz5U7sao1EmYHHMqJac/JYh1ek7D0W897rdzabo7M4wCk6gbXLb 05/P5Bii4HGmvuzCPaNwK0cwDrbnEW/DXvu4Xn5fcMYSHtoNdXSQ X-Google-Smtp-Source: AGHT+IFpp0aO2P1B8GMYF8tHd6ozNiC6/E6EZFKELYRx2rZeoWtrD+VyBcOu2IxWQF2JR5BsSDHgCQ== X-Received: by 2002:a05:6830:6206:b0:710:e61c:7a4c with SMTP id 46e09a7af769-713c7f344ffmr5085007a34.29.1727335600670; Thu, 26 Sep 2024 00:26:40 -0700 (PDT) Received: from localhost.localdomain ([240d:1a:13a:f00:4b94:68e0:2d8b:3983]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-71afc9c78eesm3708899b3a.210.2024.09.26.00.26.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 26 Sep 2024 00:26:40 -0700 (PDT) From: Tatsuya S To: Jiri Kosina , Benjamin Tissoires Cc: Tatsuya S , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] HID: Add reserved item tag for main items Date: Thu, 26 Sep 2024 16:25:40 +0900 Message-ID: <20240926072541.109493-1-tatsuya.s2862@gmail.com> X-Mailer: git-send-email 2.46.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" For main items, separate warning of reserved item tag from warning of unknown item tag. --- drivers/hid/hid-core.c | 6 +++++- include/linux/hid.h | 2 ++ 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 30de92d0bf0f..1793edb6239d 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -629,7 +629,11 @@ static int hid_parser_main(struct hid_parser *parser, = struct hid_item *item) ret =3D hid_add_field(parser, HID_FEATURE_REPORT, data); break; default: - hid_warn(parser->device, "unknown main item tag 0x%x\n", item->tag); + if (item->tag >=3D HID_MAIN_ITEM_TAG_RESERVED_MIN && + item->tag <=3D HID_MAIN_ITEM_TAG_RESERVED_MAX) + hid_warn(parser->device, "reserved main item tag 0x%x\n", item->tag); + else + hid_warn(parser->device, "unknown main item tag 0x%x\n", item->tag); ret =3D 0; } =20 diff --git a/include/linux/hid.h b/include/linux/hid.h index 121d5b8bc867..e3894f38bd96 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -81,6 +81,8 @@ struct hid_item { #define HID_MAIN_ITEM_TAG_FEATURE 11 #define HID_MAIN_ITEM_TAG_BEGIN_COLLECTION 10 #define HID_MAIN_ITEM_TAG_END_COLLECTION 12 +#define HID_MAIN_ITEM_TAG_RESERVED_MIN 13 +#define HID_MAIN_ITEM_TAG_RESERVED_MAX 15 =20 /* * HID report descriptor main item contents --=20 2.46.1