From patchwork Fri May 8 12:34:14 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 226136 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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, 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 92DA2C38A2A for ; Fri, 8 May 2020 13:14:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6A245206B8 for ; Fri, 8 May 2020 13:14:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588943673; bh=1wPHcZd42Izy7oPaYRtvpTeCVchX9V3qJyeUrcKZb5U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=GoT2mMH+gExpZUmoVpuq4dDlORcnrL+lGOC208qERIDF/PxQegW/yyB0AYRyJByZb WUMcrPRTVm66+54O1vYJvdTtQz64L1nwfL6HtE0gsogC4B1uNq7tgaFK5UgUXS40Oz /ObvRjMlzBb0mCPDEBcU0b8qur3bRXeylZwJjLzo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728117AbgEHNOc (ORCPT ); Fri, 8 May 2020 09:14:32 -0400 Received: from mail.kernel.org ([198.145.29.99]:48906 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729498AbgEHMq7 (ORCPT ); Fri, 8 May 2020 08:46:59 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 80D4B221F7; Fri, 8 May 2020 12:46:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588942019; bh=1wPHcZd42Izy7oPaYRtvpTeCVchX9V3qJyeUrcKZb5U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mzpzXF1Tzkj1ZHWN1Nt6FZwhMea51t0ZQY/yBM4+8o0z1M0LX6LOUHqSPh10FU26E NidWLoVHYWLT4JkcwXU8tu+92dC3laFsL0yc7JUym8Ceoib1tOPOO/t3CGP2bmA4OF eshavLEiuGFSXVzz5tT0A9pl5zDe4SkXGFUpppWE= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Wei Yongjun , "David S. Miller" Subject: [PATCH 4.4 263/312] tipc: fix the error handling in tipc_udp_enable() Date: Fri, 8 May 2020 14:34:14 +0200 Message-Id: <20200508123142.920990708@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200508123124.574959822@linuxfoundation.org> References: <20200508123124.574959822@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Wei Yongjun commit a5de125dd46c851fc962806135953c1bd0a0f0df upstream. Fix to return a negative error code in enable_mcast() error handling case, and release udp socket when necessary. Fixes: d0f91938bede ("tipc: add ip/udp media type") Signed-off-by: Wei Yongjun Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- net/tipc/udp_media.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) --- a/net/tipc/udp_media.c +++ b/net/tipc/udp_media.c @@ -405,10 +405,13 @@ static int tipc_udp_enable(struct net *n tuncfg.encap_destroy = NULL; setup_udp_tunnel_sock(net, ub->ubsock, &tuncfg); - if (enable_mcast(ub, remote)) + err = enable_mcast(ub, remote); + if (err) goto err; return 0; err: + if (ub->ubsock) + udp_tunnel_sock_release(ub->ubsock); kfree(ub); return err; }