From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-2948269-1517591180-2-14524955444446183143 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.001, ME_NOAUTH 0.01, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='US', FromHeader='org', MailFrom='org' X-Spam-charsets: plain='UTF-8' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: stable-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1517591179; b=DUOKqQjvjA++CJ8nA2Fv/xIOE7O9YZGfEeo1bntTG0qOtS2 PI3V2QEWfJFO99ZUlFct7nriqIzvIuXgafl50LQVwEK2EWqZ+JO2avVKP0xdGuMJ hwXv+LhQd6cSag3mR7H3Bk6/VJVgQuds0Rw6YZeWT/sNMy8Q5Wo3kURbdTdRVxqp gqbXiKL4DigTVfap2ghS2YnZmIvxuuixXIwPBn9Kgo3Dlhzbldn4vC3SjxPd1rnJ 6v8OM5ltv1Pgwo9GI73SqbG1ZbOVvm5BJtJN7THoD/KiPyO2IXzMr+ODdYDBXHK+ MKU9xe6+xZosTXRDigWaEEviGYxDSxqPlJCjgUQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-type:sender :list-id; s=arctest; t=1517591179; bh=EfcsOHrkboi69+FMChtRL9PH4T UiWbG4BYwgYvy4BNI=; b=POeMmm/Btt8aSnG8S3ronYHJSiEkq1QovkD4xqOPKW Ih3/V6hhth1h2O5Tlpenxyhqn2WEt9gWy5ysIBz788pDhfnW/RLC2+lVoZkRBMLI HqvjS8ONkxdnTQNj33RahjyL6HT02s8fjkDGSd1LwWmyY1pO1q+9c4Msb2vQxYYK BzGrTt68j6MVEuoZRz6EgX3j2ZZURl4xLMRTgf2PRn2fQk4u7UWsSFx/zrfOqlYz cQUEQo0TqoOWt5QX/EO8Lp9vDG2Mzrx4JR04YhUrjO+6QNXXVH+sYS5D8xQvSiXQ H2zvcIS/iG1L4BSpzeCf+oKu8aAD+8IgHSPaYcB13EWQ== ARC-Authentication-Results: i=1; mx6.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes Authentication-Results: mx6.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753064AbeBBRGP (ORCPT ); Fri, 2 Feb 2018 12:06:15 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:36702 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752449AbeBBRGJ (ORCPT ); Fri, 2 Feb 2018 12:06:09 -0500 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Hans de Goede , Oliver Neukum Subject: [PATCH 4.9 75/86] USB: cdc-acm: Do not log urb submission errors on disconnect Date: Fri, 2 Feb 2018 17:58:35 +0100 Message-Id: <20180202140829.578778512@linuxfoundation.org> X-Mailer: git-send-email 2.16.1 In-Reply-To: <20180202140822.679101338@linuxfoundation.org> References: <20180202140822.679101338@linuxfoundation.org> User-Agent: quilt/0.65 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Hans de Goede commit f0386c083c2ce85284dc0b419d7b89c8e567c09f upstream. When disconnected sometimes the cdc-acm driver logs errors like these: [20278.039417] cdc_acm 2-2:2.1: urb 9 failed submission with -19 [20278.042924] cdc_acm 2-2:2.1: urb 10 failed submission with -19 [20278.046449] cdc_acm 2-2:2.1: urb 11 failed submission with -19 [20278.049920] cdc_acm 2-2:2.1: urb 12 failed submission with -19 [20278.053442] cdc_acm 2-2:2.1: urb 13 failed submission with -19 [20278.056915] cdc_acm 2-2:2.1: urb 14 failed submission with -19 [20278.060418] cdc_acm 2-2:2.1: urb 15 failed submission with -19 Silence these by not logging errors when the result is -ENODEV. Signed-off-by: Hans de Goede Acked-by: Oliver Neukum Signed-off-by: Greg Kroah-Hartman --- drivers/usb/class/cdc-acm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -375,7 +375,7 @@ static int acm_submit_read_urb(struct ac res = usb_submit_urb(acm->read_urbs[index], mem_flags); if (res) { - if (res != -EPERM) { + if (res != -EPERM && res != -ENODEV) { dev_err(&acm->data->dev, "urb %d failed submission with %d\n", index, res);