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 59E8EC4321E for ; Thu, 17 Nov 2022 19:28:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235038AbiKQT2s convert rfc822-to-8bit (ORCPT ); Thu, 17 Nov 2022 14:28:48 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39066 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239948AbiKQT2q (ORCPT ); Thu, 17 Nov 2022 14:28:46 -0500 Received: from mx0a-00082601.pphosted.com (mx0b-00082601.pphosted.com [67.231.153.30]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0C0C356D49 for ; Thu, 17 Nov 2022 11:28:41 -0800 (PST) Received: from pps.filterd (m0001303.ppops.net [127.0.0.1]) by m0001303.ppops.net (8.17.1.19/8.17.1.19) with ESMTP id 2AHGgmgn014544 for ; Thu, 17 Nov 2022 11:28:40 -0800 Received: from maileast.thefacebook.com ([163.114.130.8]) by m0001303.ppops.net (PPS) with ESMTPS id 3kwnf4b794-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Thu, 17 Nov 2022 11:28:40 -0800 Received: from twshared18648.14.prn3.facebook.com (2620:10d:c0a8:1b::d) by mail.thefacebook.com (2620:10d:c0a8:83::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Thu, 17 Nov 2022 11:28:39 -0800 Received: by devbig019.vll3.facebook.com (Postfix, from userid 137359) id 9989921F092FD; Thu, 17 Nov 2022 11:28:26 -0800 (PST) From: Andrii Nakryiko To: , , CC: , Subject: [PATCH bpf-next] libbpf: ignore hashmap__find() result explicitly in btf_dump Date: Thu, 17 Nov 2022 11:28:24 -0800 Message-ID: <20221117192824.4093553-1-andrii@kernel.org> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8BIT X-FB-Internal: Safe Content-Type: text/plain X-Proofpoint-GUID: EVCWU_JzKR04Cjv3yYqL1Q8EBXrf9yXR X-Proofpoint-ORIG-GUID: EVCWU_JzKR04Cjv3yYqL1Q8EBXrf9yXR X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.895,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-11-17_06,2022-11-17_01,2022-06-22_01 Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Coverity is reporting that btf_dump_name_dups() doesn't check return result of hashmap__find() call. This is intentional, so make it explicit with (void) cast. Signed-off-by: Andrii Nakryiko --- tools/lib/bpf/btf_dump.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/lib/bpf/btf_dump.c b/tools/lib/bpf/btf_dump.c index e9f849d82124..deb2bc9a0a7b 100644 --- a/tools/lib/bpf/btf_dump.c +++ b/tools/lib/bpf/btf_dump.c @@ -1543,7 +1543,7 @@ static size_t btf_dump_name_dups(struct btf_dump *d, struct hashmap *name_map, if (!new_name) return 1; - hashmap__find(name_map, orig_name, &dup_cnt); + (void)hashmap__find(name_map, orig_name, &dup_cnt); dup_cnt++; err = hashmap__set(name_map, new_name, dup_cnt, &old_name, NULL); -- 2.30.2