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=-20.2 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, USER_AGENT_GIT autolearn=unavailable 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 A869CC07E9D for ; Mon, 19 Jul 2021 15:08:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 92A8061279 for ; Mon, 19 Jul 2021 15:08:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243218AbhGSO2M (ORCPT ); Mon, 19 Jul 2021 10:28:12 -0400 Received: from mail.kernel.org ([198.145.29.99]:55504 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243359AbhGSOXi (ORCPT ); Mon, 19 Jul 2021 10:23:38 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id D359C611ED; Mon, 19 Jul 2021 15:03:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1626706992; bh=ppW35qgSusQj6wBIpMSCIYMQAiPVAwVu0i48L2F97tA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=1fqyab8/ERpgQKAfEuTtdJCLIrgHtoTNaL8TAJlGrhWKRCLxkfDTVIp5gq0JR6WC8 sHhq1Y5xoG50LVlCY0kS+1PMlO3a+YCmnEMIaf6YOYUOw3/rT36lbMqBcAc4ik986R ceLoYffOrnZblwQ6eBeqwSKEush4UuMIM1w68k4Y= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Hulk Robot , Zhen Lei , anton.ivanov@cambridgegreys.com, Richard Weinberger , Sasha Levin Subject: [PATCH 4.4 177/188] um: fix error return code in slip_open() Date: Mon, 19 Jul 2021 16:52:41 +0200 Message-Id: <20210719144942.278748365@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210719144913.076563739@linuxfoundation.org> References: <20210719144913.076563739@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: linux-kernel@vger.kernel.org From: Zhen Lei [ Upstream commit b77e81fbe5f5fb4ad9a61ec80f6d1e30b6da093a ] Fix to return a negative error code from the error handling case instead of 0, as done elsewhere in this function. Fixes: a3c77c67a443 ("[PATCH] uml: slirp and slip driver cleanups and fixes") Reported-by: Hulk Robot Signed-off-by: Zhen Lei Acked-By: anton.ivanov@cambridgegreys.com Signed-off-by: Richard Weinberger Signed-off-by: Sasha Levin --- arch/um/drivers/slip_user.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/um/drivers/slip_user.c b/arch/um/drivers/slip_user.c index 0d6b66c64a81..76d155631c5d 100644 --- a/arch/um/drivers/slip_user.c +++ b/arch/um/drivers/slip_user.c @@ -145,7 +145,8 @@ static int slip_open(void *data) } sfd = err; - if (set_up_tty(sfd)) + err = set_up_tty(sfd); + if (err) goto out_close2; pri->slave = sfd; -- 2.30.2