From patchwork Sat Sep 4 15:32:58 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Florian Faber X-Patchwork-Id: 507303 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=-15.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_SANE_1 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 441FDC433EF for ; Sat, 4 Sep 2021 15:39:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0F5F860F21 for ; Sat, 4 Sep 2021 15:39:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236810AbhIDPkm (ORCPT ); Sat, 4 Sep 2021 11:40:42 -0400 Received: from informare.org ([217.11.52.70]:40642 "EHLO informare.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230312AbhIDPkm (ORCPT ); Sat, 4 Sep 2021 11:40:42 -0400 X-Greylist: delayed 400 seconds by postgrey-1.27 at vger.kernel.org; Sat, 04 Sep 2021 11:40:41 EDT Received: (qmail 13445 invoked from network); 4 Sep 2021 15:32:58 -0000 Received: from unknown (HELO ?192.168.2.105?) (faber@faberman.de@87.133.154.214) by 0 with ESMTPA; 4 Sep 2021 15:32:58 -0000 To: gregkh@linuxfoundation.org, linux-usb@vger.kernel.org From: Florian Faber Subject: [PATCH] usb: gadget: f_mass_storage: Shut down mass storage device when USB connection is shut, down. Message-ID: <5f9fbabd-2e2c-9389-446d-3bd1dd954a82@faberman.de> Date: Sat, 4 Sep 2021 17:32:58 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 Content-Language: en-US Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org f_mass_storage continues to send out packets after the connection to the USB host has been terminated, ignoring the error status. Signed-off-by: Florian Faber --- drivers/usb/gadget/function/f_mass_storage.c | 4 ++++ 1 file changed, 4 insertions(+) * submissions if DMA is enabled. diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c index 6ad669dde41c..1e73ba629e43 100644 --- a/drivers/usb/gadget/function/f_mass_storage.c +++ b/drivers/usb/gadget/function/f_mass_storage.c @@ -529,6 +529,10 @@ static int start_transfer(struct fsg_dev *fsg, struct usb_ep *ep, /* We can't do much more than wait for a reset */ req->status = rc; + if (rc==-ESHUTDOWN) { + fsg->common->running = 0; + } + /* * Note: currently the net2280 driver fails zero-length