From patchwork Mon Apr 5 08:54:45 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 415615 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=-18.8 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=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 E753EC43460 for ; Mon, 5 Apr 2021 09:17:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B47D46139D for ; Mon, 5 Apr 2021 09:17:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239798AbhDEJRo (ORCPT ); Mon, 5 Apr 2021 05:17:44 -0400 Received: from mail.kernel.org ([198.145.29.99]:39474 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239717AbhDEJRb (ORCPT ); Mon, 5 Apr 2021 05:17:31 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id B61BE613B3; Mon, 5 Apr 2021 09:17:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1617614245; bh=HpnAhgzZCOA6IMX6Z22MbDgI/Ts+cQ2D3fEGu+/PpGU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Lmc7tUG+Xs7YFh33Ju0IAWQaxXVCUvClSsN3jmolgSCQFg5Tp2EWwkmnOO2CDp5AV m7rVUEK5ReX711k6SAn5hFJCVp1Q8Su/xTNRPz4hPGvh4EXv0nb7B61edBWESJ2/wi aLm6tUC/4gQlx2LK974k768F2X9GtfLyyrCHpR0Y= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Bruno Thomsen , Oliver Neukum Subject: [PATCH 5.11 136/152] USB: cdc-acm: downgrade message to debug Date: Mon, 5 Apr 2021 10:54:45 +0200 Message-Id: <20210405085038.640609576@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210405085034.233917714@linuxfoundation.org> References: <20210405085034.233917714@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Oliver Neukum commit e4c77070ad45fc940af1d7fb1e637c349e848951 upstream. This failure is so common that logging an error here amounts to spamming log files. Reviewed-by: Bruno Thomsen Signed-off-by: Oliver Neukum Cc: stable Link: https://lore.kernel.org/r/20210311130126.15972-2-oneukum@suse.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/class/cdc-acm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -659,7 +659,8 @@ static void acm_port_dtr_rts(struct tty_ res = acm_set_control(acm, val); if (res && (acm->ctrl_caps & USB_CDC_CAP_LINE)) - dev_err(&acm->control->dev, "failed to set dtr/rts\n"); + /* This is broken in too many devices to spam the logs */ + dev_dbg(&acm->control->dev, "failed to set dtr/rts\n"); } static int acm_port_activate(struct tty_port *port, struct tty_struct *tty)