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 X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 39844C43603 for ; Thu, 19 Dec 2019 18:46:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 102A8222C2 for ; Thu, 19 Dec 2019 18:46:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576781176; bh=gcRN+plUkj/17L0gJkhJvw1+5gnLjltL8IUZsDlUStg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=n2JxbZo0s9xaVgZMoNTP26JgmULJtfxmky6nMNulTVTgtrZ8HIFf/ihH8qZbiXs2T tT+OIPbWbvgE8pGVCE7/gFupbm1zTBrwnEcQSd0jqgZfGeTu0Teqzb9uaAxo6vzy3G 4/GJmFFnR4WiW0TR3WtgcgVb52IHtWVeciZ2hONw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728611AbfLSSqP (ORCPT ); Thu, 19 Dec 2019 13:46:15 -0500 Received: from mail.kernel.org ([198.145.29.99]:38824 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728265AbfLSSqN (ORCPT ); Thu, 19 Dec 2019 13:46:13 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 34A0C2465E; Thu, 19 Dec 2019 18:46:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576781172; bh=gcRN+plUkj/17L0gJkhJvw1+5gnLjltL8IUZsDlUStg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=zk1dwT6n8WULoNS0p5aF04fMCkEjXMtIJU4tYt0NkuVvBzS/tCYrNSb3U0+DwQ8IG UeS0VxGKeWe1fTq7u0XiSXGX/LXnbT7ieJI4skunVCK8K9wiqixW3qiXGw6XYwW/11 xshEw/B+wvUT/SgouwcUGZHTg6HmqWODqBKaNFaU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Johan Hovold Subject: [PATCH 4.9 111/199] USB: adutux: fix interface sanity check Date: Thu, 19 Dec 2019 19:33:13 +0100 Message-Id: <20191219183221.017081077@linuxfoundation.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20191219183214.629503389@linuxfoundation.org> References: <20191219183214.629503389@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Johan Hovold commit 3c11c4bed02b202e278c0f5c319ae435d7fb9815 upstream. Make sure to use the current alternate setting when verifying the interface descriptors to avoid binding to an invalid interface. Failing to do so could cause the driver to misbehave or trigger a WARN() in usb_submit_urb() that kernels with panic_on_warn set would choke on. Fixes: 03270634e242 ("USB: Add ADU support for Ontrak ADU devices") Cc: stable # 2.6.19 Signed-off-by: Johan Hovold Link: https://lore.kernel.org/r/20191210112601.3561-3-johan@kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/usb/misc/adutux.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/usb/misc/adutux.c +++ b/drivers/usb/misc/adutux.c @@ -685,7 +685,7 @@ static int adu_probe(struct usb_interfac init_waitqueue_head(&dev->read_wait); init_waitqueue_head(&dev->write_wait); - iface_desc = &interface->altsetting[0]; + iface_desc = &interface->cur_altsetting[0]; /* set up the endpoint information */ for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) {