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=-18.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,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 66345C48BE8 for ; Mon, 14 Jun 2021 10:39:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 56DB461468 for ; Mon, 14 Jun 2021 10:39:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233116AbhFNKk7 (ORCPT ); Mon, 14 Jun 2021 06:40:59 -0400 Received: from mail.kernel.org ([198.145.29.99]:40438 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233301AbhFNKgZ (ORCPT ); Mon, 14 Jun 2021 06:36:25 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 6068361408; Mon, 14 Jun 2021 10:33:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1623666796; bh=iCb/FEzRAyUBTSv8nKglHrE0uJlyUl2D0IIh9LF2Qt0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ER8y5+VT0AVrgOcV/jEu8XUcyoIrULcP/8rgnvx3WNLOIf2fnOsfJgmcmWHHy/4N+ CgyE8Uy3VPmFzjmgIIis0CdQ51bQYIjkNumZwEIEQzbOTl3RPAoADuNoYRCviLiycE 2pmJbJQ0ac7dLsV9nJYDQGt6+1oM/fMUfMoMOPZI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Johan Hovold Subject: [PATCH 4.14 33/49] USB: serial: quatech2: fix control-request directions Date: Mon, 14 Jun 2021 12:27:26 +0200 Message-Id: <20210614102642.953824817@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210614102641.857724541@linuxfoundation.org> References: <20210614102641.857724541@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Johan Hovold commit eb8dbe80326c3d44c1e38ee4f40e0d8d3e06f2d0 upstream. The direction of the pipe argument must match the request-type direction bit or control requests may fail depending on the host-controller-driver implementation. Fix the three requests which erroneously used usb_rcvctrlpipe(). Fixes: f7a33e608d9a ("USB: serial: add quatech2 usb to serial driver") Cc: stable@vger.kernel.org # 3.5 Signed-off-by: Johan Hovold Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/quatech2.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) --- a/drivers/usb/serial/quatech2.c +++ b/drivers/usb/serial/quatech2.c @@ -420,7 +420,7 @@ static void qt2_close(struct usb_serial_ /* flush the port transmit buffer */ i = usb_control_msg(serial->dev, - usb_rcvctrlpipe(serial->dev, 0), + usb_sndctrlpipe(serial->dev, 0), QT2_FLUSH_DEVICE, 0x40, 1, port_priv->device_port, NULL, 0, QT2_USB_TIMEOUT); @@ -430,7 +430,7 @@ static void qt2_close(struct usb_serial_ /* flush the port receive buffer */ i = usb_control_msg(serial->dev, - usb_rcvctrlpipe(serial->dev, 0), + usb_sndctrlpipe(serial->dev, 0), QT2_FLUSH_DEVICE, 0x40, 0, port_priv->device_port, NULL, 0, QT2_USB_TIMEOUT); @@ -696,7 +696,7 @@ static int qt2_attach(struct usb_serial int status; /* power on unit */ - status = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), + status = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), 0xc2, 0x40, 0x8000, 0, NULL, 0, QT2_USB_TIMEOUT); if (status < 0) {