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,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 5272FC35247 for ; Mon, 3 Feb 2020 16:26:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1EB732086A for ; Mon, 3 Feb 2020 16:26:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1580747206; bh=SYaKm53L2/I72Tnwsrj7k4qz91HsmQhZdl1JkzVKpWc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=d9DhXJJxXgkHopVSjyxRuYDcGBR678E2e7XbN9AoDZ/IjUzEW1XEm+nawbDmlS9TX HYlX9JpGq5z2s/k6REMpkLdtgp+9sMN4Qg2XM71g51hIsQlTn0nezVr82GaSSw+jqI IpBeItqTLLk2IIer9BwIbOyB9rWKVm+YrPTYruC4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729274AbgBCQ0p (ORCPT ); Mon, 3 Feb 2020 11:26:45 -0500 Received: from mail.kernel.org ([198.145.29.99]:37716 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729245AbgBCQ0l (ORCPT ); Mon, 3 Feb 2020 11:26:41 -0500 Received: from localhost (unknown [104.132.45.99]) (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 65A8C2051A; Mon, 3 Feb 2020 16:26:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1580747200; bh=SYaKm53L2/I72Tnwsrj7k4qz91HsmQhZdl1JkzVKpWc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ncLtot7DL9GWslSWDLZpAAm6BOES20dEYoDTyk3jzbKz/DJpBtHVDeRkkeTiawdHT NESGYBQmhSWzi+LGmHFnsWBOYchv9YyBqeW0OlIQPMyiluiTjp1S/C/E/kJaY4miN4 3zA0q1LL36KhURigWgoNKw23FlePzgZ42FcDFFE8= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Johan Hovold , Kalle Valo Subject: [PATCH 4.9 02/68] orinoco_usb: fix interface sanity check Date: Mon, 3 Feb 2020 16:18:58 +0000 Message-Id: <20200203161905.061964573@linuxfoundation.org> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200203161904.705434837@linuxfoundation.org> References: <20200203161904.705434837@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Johan Hovold commit b73e05aa543cf8db4f4927e36952360d71291d41 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: 9afac70a7305 ("orinoco: add orinoco_usb driver") Cc: stable # 2.6.35 Signed-off-by: Johan Hovold Signed-off-by: Kalle Valo Signed-off-by: Greg Kroah-Hartman --- drivers/net/wireless/intersil/orinoco/orinoco_usb.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/net/wireless/intersil/orinoco/orinoco_usb.c +++ b/drivers/net/wireless/intersil/orinoco/orinoco_usb.c @@ -1601,9 +1601,9 @@ static int ezusb_probe(struct usb_interf /* set up the endpoint information */ /* check out the endpoints */ - iface_desc = &interface->altsetting[0].desc; + iface_desc = &interface->cur_altsetting->desc; for (i = 0; i < iface_desc->bNumEndpoints; ++i) { - ep = &interface->altsetting[0].endpoint[i].desc; + ep = &interface->cur_altsetting->endpoint[i].desc; if (usb_endpoint_is_bulk_in(ep)) { /* we found a bulk in endpoint */