From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 77F17C6FD1D for ; Mon, 20 Mar 2023 13:10:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231478AbjCTNKK (ORCPT ); Mon, 20 Mar 2023 09:10:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60436 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231725AbjCTNKJ (ORCPT ); Mon, 20 Mar 2023 09:10:09 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 55F07F940 for ; Mon, 20 Mar 2023 06:10:07 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id DA704614B7 for ; Mon, 20 Mar 2023 13:10:06 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4D1E0C4339B; Mon, 20 Mar 2023 13:10:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1679317806; bh=4rYgkxH8BJV5bVVdjI7x23fvRfhzItRe0BnhZEr0R+s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=G6Bdr7wj6KQqktCvaRXfYIzaPIZ+LXdFn4lVRyYERnG5izF1uIkfXQwLZf41FABAl 7Y0XiddKCQATBN5/fWgdYohE74aiIyjOBdYxok0nF84yNLGi12esvw/oLKFm6M1taU bdq2NOeeHl/tBDOyEIFVTeTNSRGDPcCi/DhjZOfqHhTXBG6l/Ybt0X6MvnpzWoYk0l VUoEgKOnD4mywUj5U6YZxc4xdL+wXwRemIGzJpNYuGbY/byQG5duWFdN3lq1SJGd+I XudWYuKpvxrTTbwV+ueOa1GTc+lBBYLi1z8FIShyiW4ch0J9s9Oua4l+L2fMJP0fMf Evo1xkW9zwvqg== From: Lee Jones To: lee@kernel.org Cc: stable@vger.kernel.org, Jiri Kosina , Greg Kroah-Hartman Subject: [PATCH v4.9.y 2/2] HID: uhid: Over-ride the default maximum data buffer value with our own Date: Mon, 20 Mar 2023 13:09:57 +0000 Message-Id: <20230320130957.2772257-2-lee@kernel.org> X-Mailer: git-send-email 2.40.0.rc1.284.g88254d51c5-goog In-Reply-To: <20230320130957.2772257-1-lee@kernel.org> References: <20230320130957.2772257-1-lee@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org commit 1c5d4221240a233df2440fe75c881465cdf8da07 upstream. The default maximum data buffer size for this interface is UHID_DATA_MAX (4k). When data buffers are being processed, ensure this value is used when ensuring the sanity, rather than a value between the user provided value and HID_MAX_BUFFER_SIZE (16k). Signed-off-by: Lee Jones Signed-off-by: Jiri Kosina Signed-off-by: Greg Kroah-Hartman Signed-off-by: Lee Jones --- drivers/hid/uhid.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c index f7705a057f0f4..ff13dbbdf675b 100644 --- a/drivers/hid/uhid.c +++ b/drivers/hid/uhid.c @@ -400,6 +400,7 @@ struct hid_ll_driver uhid_hid_driver = { .parse = uhid_hid_parse, .raw_request = uhid_hid_raw_request, .output_report = uhid_hid_output_report, + .max_buffer_size = UHID_DATA_MAX, }; EXPORT_SYMBOL_GPL(uhid_hid_driver); -- 2.40.0.rc1.284.g88254d51c5-goog