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 X-Spam-Level: X-Spam-Status: No, score=-26.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, 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,USER_IN_DEF_DKIM_WL 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 F2F8DC4332E for ; Fri, 5 Feb 2021 22:44:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C640064FFC for ; Fri, 5 Feb 2021 22:44:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231348AbhBEWoB (ORCPT ); Fri, 5 Feb 2021 17:44:01 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43414 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231376AbhBENng (ORCPT ); Fri, 5 Feb 2021 08:43:36 -0500 Received: from mail-yb1-xb4a.google.com (mail-yb1-xb4a.google.com [IPv6:2607:f8b0:4864:20::b4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CE12AC06121F for ; Fri, 5 Feb 2021 05:42:43 -0800 (PST) Received: by mail-yb1-xb4a.google.com with SMTP id m7so7028465ybm.19 for ; Fri, 05 Feb 2021 05:42:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:in-reply-to:message-id:mime-version:references:subject :from:to:cc; bh=IfrsKiM9qTPCm/mu8IvDda9E8qIyarKKAm3lIwYPM20=; b=kw2tnKgzpXRLq/FqFTSuKJnVTUwBFoe6uff7J2jbvTcndve02E6mDJ8rCruNugyAts rlS8Kvjxzr6gfSq1DDmlFxih48bdx0gJhhwGihjxmfB1Q5YxUPbFzCFxjFX2rCuhzUaw WNGY8moTkd6Nhlq313HeCqdYi/orDKDKiQgJo558nRTYgkCjdOOF/TRrJ7rp519idd9e yyS855aB5dsK2wBQl8jaqrqJvGjIsXVFrHvKdDbbw3BUW9pdT4LQ2b6iLx2m9lIA19Vq Gylnftm4KHwIJsQHEWQtTyI4lq4eUmQN21aLMT7Cg3D+O4KZCxipK2Z2wktGENEIZusN ieag== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=IfrsKiM9qTPCm/mu8IvDda9E8qIyarKKAm3lIwYPM20=; b=JOzaeUXhAhO+Z8FRiu2NTnYcymlhvkBtTGDidTzMgpDS3sC2QzJWljs7qa6/LXFF4S SwC93U/psGkOJo+m57Io/i7hFVYbOOCZtJSLfnqpc+ks9WRFqMeKRUZcc6buOL4eRVIJ Rqwawch0SwcEZNWB8jO6MEkExk3cqz+ZjiqliFV9uqW/ljlrT4529ghJ7wl7WkUZzWKu oZYhcGOgsCW7K00pHnuHeWRxVZqjaApPGUm2FXqfREeYNSOfS/J2Zu2msMR1pvBu+mYs qfPr4+7kQht/5HT7P42DOj9r+WvIOshXw/yubrk7Fro64vDLgTzk+HucXAJRM724PFP7 +xxQ== X-Gm-Message-State: AOAM531G/8Nd31q4x02mqdkHwZ7hNjPBuecMcSC3N3LHZq+npEkagvcy Lz8lpx9i4VBqXG7VHcbIWFXpyNFNEqGpn03GKhroTdTwyhTQlUi4pFFT5U8DcrauLrpUnIhh+4Z Jk6wVLH9pRreyZ0V2PfqRDQXvIoiTBm9U8xN2ciuJ9fTYmCQaa78scKfy+0OPmyZsUwN/ X-Google-Smtp-Source: ABdhPJyI1NCzzeWtf0SgohHDK9KQ1fbnKF8fZb+IoqC/+CQBb5mfhvDAQak9cwHQ8DFF/jncptcNKBvQNRZEkA== Sender: "gprocida via sendgmr" X-Received: from tef.lon.corp.google.com ([2a00:79e0:d:110:656b:9716:1ea:3de6]) (user=gprocida job=sendgmr) by 2002:a25:3610:: with SMTP id d16mr6573081yba.454.1612532563011; Fri, 05 Feb 2021 05:42:43 -0800 (PST) Date: Fri, 5 Feb 2021 13:42:19 +0000 In-Reply-To: <20210205134221.2953163-1-gprocida@google.com> Message-Id: <20210205134221.2953163-4-gprocida@google.com> Mime-Version: 1.0 References: <20210201172530.1141087-1-gprocida@google.com> <20210205134221.2953163-1-gprocida@google.com> X-Mailer: git-send-email 2.30.0.478.g8a0d178c01-goog Subject: [PATCH dwarves v3 3/5] btf_encoder: Traverse sections using a for-loop From: Giuliano Procida To: dwarves@vger.kernel.org Cc: acme@kernel.org, andrii@kernel.org, ast@kernel.org, gprocida@google.com, maennich@google.com, kernel-team@android.com, kernel-team@fb.com, bpf@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: dwarves@vger.kernel.org The pointer (iterator) scn can be made local to the loop and a more general while-loop is not needed. Signed-off-by: Giuliano Procida --- libbtf.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/libbtf.c b/libbtf.c index ace8896..4ae7150 100644 --- a/libbtf.c +++ b/libbtf.c @@ -700,7 +700,6 @@ static int btf_elf__write(const char *filename, struct btf *btf) { GElf_Ehdr ehdr; Elf_Data *btf_data = NULL; - Elf_Scn *scn = NULL; Elf *elf = NULL; const void *raw_btf_data; uint32_t raw_btf_size; @@ -748,7 +747,7 @@ static int btf_elf__write(const char *filename, struct btf *btf) */ elf_getshdrstrndx(elf, &strndx); - while ((scn = elf_nextscn(elf, scn)) != NULL) { + for (Elf_Scn *scn = elf_nextscn(elf, NULL); scn; scn = elf_nextscn(elf, scn)) { GElf_Shdr shdr; if (!gelf_getshdr(scn, &shdr)) continue; -- 2.30.0.478.g8a0d178c01-goog