From patchwork Wed Aug 11 08:48:59 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pablo Neira Ayuso X-Patchwork-Id: 495621 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, 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 B957DC4320A for ; Wed, 11 Aug 2021 08:49:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8FE4661008 for ; Wed, 11 Aug 2021 08:49:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235282AbhHKItk (ORCPT ); Wed, 11 Aug 2021 04:49:40 -0400 Received: from mail.netfilter.org ([217.70.188.207]:44028 "EHLO mail.netfilter.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235902AbhHKItj (ORCPT ); Wed, 11 Aug 2021 04:49:39 -0400 Received: from salvia.lan (bl11-146-165.dsl.telepac.pt [85.244.146.165]) by mail.netfilter.org (Postfix) with ESMTPSA id B075460056; Wed, 11 Aug 2021 10:48:32 +0200 (CEST) From: Pablo Neira Ayuso To: netfilter-devel@vger.kernel.org Cc: davem@davemloft.net, netdev@vger.kernel.org, kuba@kernel.org Subject: [PATCH net-next 01/10] netfilter: nft_compat: use nfnetlink_unicast() Date: Wed, 11 Aug 2021 10:48:59 +0200 Message-Id: <20210811084908.14744-2-pablo@netfilter.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210811084908.14744-1-pablo@netfilter.org> References: <20210811084908.14744-1-pablo@netfilter.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Use nfnetlink_unicast() which already translates EAGAIN to ENOBUFS, since EAGAIN is reserved to report missing module dependencies to the nfnetlink core. e0241ae6ac59 ("netfilter: use nfnetlink_unicast() forgot to update this spot. Reported-by: Yajun Deng Signed-off-by: Pablo Neira Ayuso --- net/netfilter/nft_compat.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/net/netfilter/nft_compat.c b/net/netfilter/nft_compat.c index 639c337c885b..272bcdb1392d 100644 --- a/net/netfilter/nft_compat.c +++ b/net/netfilter/nft_compat.c @@ -683,14 +683,12 @@ static int nfnl_compat_get_rcu(struct sk_buff *skb, goto out_put; } - ret = netlink_unicast(info->sk, skb2, NETLINK_CB(skb).portid, - MSG_DONTWAIT); - if (ret > 0) - ret = 0; + ret = nfnetlink_unicast(skb2, info->net, NETLINK_CB(skb).portid); out_put: rcu_read_lock(); module_put(THIS_MODULE); - return ret == -EAGAIN ? -ENOBUFS : ret; + + return ret; } static const struct nla_policy nfnl_compat_policy_get[NFTA_COMPAT_MAX+1] = {