From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751297AbaLPLto (ORCPT ); Tue, 16 Dec 2014 06:49:44 -0500 Received: from mail-la0-f43.google.com ([209.85.215.43]:57560 "EHLO mail-la0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750916AbaLPLtm (ORCPT ); Tue, 16 Dec 2014 06:49:42 -0500 Date: Tue, 16 Dec 2014 12:49:40 +0100 From: Johan Hovold To: Jeremiah Mahler Cc: Johan Hovold , Greg Kroah-Hartman , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/2] usb: serial: handle -ENODEV quietly in generic_submit_read_urb Message-ID: <20141216114940.GJ6778@localhost> References: <1418340594-30469-1-git-send-email-jmmahler@gmail.com> <1418340594-30469-3-git-send-email-jmmahler@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1418340594-30469-3-git-send-email-jmmahler@gmail.com> User-Agent: Mutt/1.5.22 (2013-10-16) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Dec 11, 2014 at 03:29:54PM -0800, Jeremiah Mahler wrote: > If a USB serial device (e.g. /dev/ttyUSB0) with an active program is > unplugged, an -ENODEV (19) error will be produced after it gives up > trying to resubmit a read. > > usb_serial_generic_submit_read_urb - usb_submit_urb failed: -19 > > Add -ENODEV as one of the permanent errors along with -EPERM that > usb_serial_generic_submit_read_urb() handles quietly without an error. > > Signed-off-by: Jeremiah Mahler I'll apply this one once v3.19-rc1 is out. Thanks, Johan