From patchwork Mon Mar 1 16:09:31 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 389969 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=-18.8 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=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 6D7FEC433E0 for ; Mon, 1 Mar 2021 17:26:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 34EC665242 for ; Mon, 1 Mar 2021 17:26:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238386AbhCARZp (ORCPT ); Mon, 1 Mar 2021 12:25:45 -0500 Received: from mail.kernel.org ([198.145.29.99]:37350 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238001AbhCARVU (ORCPT ); Mon, 1 Mar 2021 12:21:20 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id F143D6506C; Mon, 1 Mar 2021 16:48:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1614617306; bh=IpDIgWNGkJ0goNqxYNcvb3yFA4egf0cjREbBvDHkjsM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=C245ew6cUcflqA30/AGaf8PRah3s2RFrJEAHO+lRi7SuAN4+1i1KzsfR/qFKPHakf 9GWn/aCj/V/iB86YugyJGWgiL0HNMU5/Rh35sy47E3Yfc/z8F4/b4GNitU23l/J/so W0tji+Cfuz0rWPg5DDCNGFJZWDCF2shfe001Wp9k= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, kernel test robot , Andrii Nakryiko , Alexei Starovoitov , Yonghong Song , Sasha Levin Subject: [PATCH 5.4 027/340] bpf: Avoid warning when re-casting __bpf_call_base into __bpf_call_base_args Date: Mon, 1 Mar 2021 17:09:31 +0100 Message-Id: <20210301161049.663426139@linuxfoundation.org> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210301161048.294656001@linuxfoundation.org> References: <20210301161048.294656001@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Andrii Nakryiko [ Upstream commit 6943c2b05bf09fd5c5729f7d7d803bf3f126cb9a ] BPF interpreter uses extra input argument, so re-casts __bpf_call_base into __bpf_call_base_args. Avoid compiler warning about incompatible function prototypes by casting to void * first. Fixes: 1ea47e01ad6e ("bpf: add support for bpf_call to interpreter") Reported-by: kernel test robot Signed-off-by: Andrii Nakryiko Signed-off-by: Alexei Starovoitov Acked-by: Yonghong Song Link: https://lore.kernel.org/bpf/20210112075520.4103414-3-andrii@kernel.org Signed-off-by: Sasha Levin --- include/linux/filter.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/filter.h b/include/linux/filter.h index 79830bc9e45cf..c53e2fe3c8f7f 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -846,7 +846,7 @@ void sk_filter_uncharge(struct sock *sk, struct sk_filter *fp); u64 __bpf_call_base(u64 r1, u64 r2, u64 r3, u64 r4, u64 r5); #define __bpf_call_base_args \ ((u64 (*)(u64, u64, u64, u64, u64, const struct bpf_insn *)) \ - __bpf_call_base) + (void *)__bpf_call_base) struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog); void bpf_jit_compile(struct bpf_prog *prog);