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 720A1C3527E for ; Tue, 5 Apr 2022 13:41:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1390235AbiDENhp (ORCPT ); Tue, 5 Apr 2022 09:37:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43082 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343970AbiDEJQn (ORCPT ); Tue, 5 Apr 2022 05:16:43 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 43E36D64C3; Tue, 5 Apr 2022 02:02:13 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id B9850B81C19; Tue, 5 Apr 2022 09:02:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0A94DC385A1; Tue, 5 Apr 2022 09:02:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1649149330; bh=VqwssBKFB7BIuRryYFttzTjepDcNzvs/enI6/vnlK6g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lx8+R5IEkj1fDM7FV7E9VeSO8zE1B0pm1hxzIE15oqblUjpTw5JGuzo1nt1aGOL+K oDW6eHVroQYJJ1jBX5/j3U9YngPutOy2C/KIhU+FPZBtZipNEYafAnkGRiDu6OXRmB rdfUnhYBgIxLj8u/JAw72lndP7j3OKI0TmzIz4ro= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Yafang Shao , Daniel Borkmann , Sasha Levin Subject: [PATCH 5.16 0629/1017] bpftool: Fix print error when show bpf map Date: Tue, 5 Apr 2022 09:25:42 +0200 Message-Id: <20220405070412.954688301@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220405070354.155796697@linuxfoundation.org> References: <20220405070354.155796697@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Yafang Shao [ Upstream commit 1824d8ea75f275a5e69e5f6bc0ffe122ea9b938c ] If there is no btf_id or frozen, it will not show the pids, but the pids don't depend on any one of them. Below is the result after this change: $ ./bpftool map show 2: lpm_trie flags 0x1 key 8B value 8B max_entries 1 memlock 4096B pids systemd(1) 3: lpm_trie flags 0x1 key 20B value 8B max_entries 1 memlock 4096B pids systemd(1) While before this change, the 'pids systemd(1)' can't be displayed. Fixes: 9330986c0300 ("bpf: Add bloom filter map implementation") Signed-off-by: Yafang Shao Signed-off-by: Daniel Borkmann Link: https://lore.kernel.org/bpf/20220320060815.7716-1-laoar.shao@gmail.com Signed-off-by: Sasha Levin --- tools/bpf/bpftool/map.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/tools/bpf/bpftool/map.c b/tools/bpf/bpftool/map.c index 285fb2cbaef6..59d8e72851da 100644 --- a/tools/bpf/bpftool/map.c +++ b/tools/bpf/bpftool/map.c @@ -619,17 +619,14 @@ static int show_map_close_plain(int fd, struct bpf_map_info *info) u32_as_hash_field(info->id)) printf("\n\tpinned %s", (char *)entry->value); } - printf("\n"); if (frozen_str) { frozen = atoi(frozen_str); free(frozen_str); } - if (!info->btf_id && !frozen) - return 0; - - printf("\t"); + if (info->btf_id || frozen) + printf("\n\t"); if (info->btf_id) printf("btf_id %d", info->btf_id); -- 2.34.1