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=-19.1 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 B5FE3C47082 for ; Mon, 31 May 2021 13:25:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 96E9C6144F for ; Mon, 31 May 2021 13:25:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231803AbhEaN1Y (ORCPT ); Mon, 31 May 2021 09:27:24 -0400 Received: from mail.kernel.org ([198.145.29.99]:33136 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232083AbhEaNZY (ORCPT ); Mon, 31 May 2021 09:25:24 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 4B95861403; Mon, 31 May 2021 13:20:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1622467244; bh=9a9iaiV63/wiT6B2pMGE1okVLsfoGw+0M6nvDi8azsI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JMtwwiUqpWYEOZPIuInNNtoWkjBKQBMehoHm8uyYJdGcB1WmlA48HWSSbYtsTVMfq S7neIGseNL+8vKsCnVT9oqveCT7SUvfKN0sHF6LpHvuTKxbuV6qEs/LDh8ugX7gZLK kudxa9Ucyh9XM5gMPiG2S2hJGDkm0l1taHfN5eMI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Dan Carpenter , Sasha Levin Subject: [PATCH 4.9 59/66] staging: emxx_udc: fix loop in _nbu2ss_nuke() Date: Mon, 31 May 2021 15:14:32 +0200 Message-Id: <20210531130638.125113398@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210531130636.254683895@linuxfoundation.org> References: <20210531130636.254683895@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: stable@vger.kernel.org From: Dan Carpenter [ Upstream commit e0112a7c9e847ada15a631b88e279d547e8f26a7 ] The _nbu2ss_ep_done() function calls: list_del_init(&req->queue); which means that the loop will never exit. Fixes: ca3d253eb967 ("Staging: emxx_udc: Iterate list using list_for_each_entry") Signed-off-by: Dan Carpenter Link: https://lore.kernel.org/r/YKUd0sDyjm/lkJfJ@mwanda Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/staging/emxx_udc/emxx_udc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/staging/emxx_udc/emxx_udc.c b/drivers/staging/emxx_udc/emxx_udc.c index 1055649f034c..59266650e071 100644 --- a/drivers/staging/emxx_udc/emxx_udc.c +++ b/drivers/staging/emxx_udc/emxx_udc.c @@ -2173,7 +2173,7 @@ static int _nbu2ss_nuke(struct nbu2ss_udc *udc, struct nbu2ss_ep *ep, int status) { - struct nbu2ss_req *req; + struct nbu2ss_req *req, *n; /* Endpoint Disable */ _nbu2ss_epn_exit(udc, ep); @@ -2185,7 +2185,7 @@ static int _nbu2ss_nuke(struct nbu2ss_udc *udc, return 0; /* called with irqs blocked */ - list_for_each_entry(req, &ep->queue, queue) { + list_for_each_entry_safe(req, n, &ep->queue, queue) { _nbu2ss_ep_done(ep, req, status); } -- 2.30.2