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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3CD49C4332F for ; Sun, 11 Dec 2022 10:12:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229710AbiLKKMP (ORCPT ); Sun, 11 Dec 2022 05:12:15 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39850 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229568AbiLKKMN (ORCPT ); Sun, 11 Dec 2022 05:12:13 -0500 Received: from mail.netfilter.org (mail.netfilter.org [217.70.188.207]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id A4EE5CE08; Sun, 11 Dec 2022 02:12:09 -0800 (PST) From: Pablo Neira Ayuso To: netfilter-devel@vger.kernel.org Cc: davem@davemloft.net, netdev@vger.kernel.org, kuba@kernel.org, pabeni@redhat.com, edumazet@google.com Subject: [PATCH net-next 01/12] netfilter: nft_inner: fix IS_ERR() vs NULL check Date: Sun, 11 Dec 2022 11:11:53 +0100 Message-Id: <20221211101204.1751-2-pablo@netfilter.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20221211101204.1751-1-pablo@netfilter.org> References: <20221211101204.1751-1-pablo@netfilter.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netfilter-devel@vger.kernel.org From: Dan Carpenter The __nft_expr_type_get() function returns NULL on error. It never returns error pointers. Fixes: 3a07327d10a0 ("netfilter: nft_inner: support for inner tunnel header matching") Signed-off-by: Dan Carpenter Signed-off-by: Pablo Neira Ayuso --- net/netfilter/nf_tables_api.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 2fa52b8d5ce1..833850a4780f 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -2873,8 +2873,8 @@ int nft_expr_inner_parse(const struct nft_ctx *ctx, const struct nlattr *nla, return -EINVAL; type = __nft_expr_type_get(ctx->family, tb[NFTA_EXPR_NAME]); - if (IS_ERR(type)) - return PTR_ERR(type); + if (!type) + return -ENOENT; if (!type->inner_ops) return -EOPNOTSUPP; -- 2.30.2