From patchwork Tue Aug 18 08:20:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xu Wang X-Patchwork-Id: 1346707 X-Patchwork-Delegate: bpf@iogearbox.net Return-Path: X-Original-To: incoming-bpf@patchwork.ozlabs.org Delivered-To: patchwork-incoming-bpf@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=bpf-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BW3kb6Q8fz9sR4 for ; Tue, 18 Aug 2020 18:20:23 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726473AbgHRIUX (ORCPT ); Tue, 18 Aug 2020 04:20:23 -0400 Received: from smtp23.cstnet.cn ([159.226.251.23]:42334 "EHLO cstnet.cn" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726043AbgHRIUW (ORCPT ); Tue, 18 Aug 2020 04:20:22 -0400 Received: from localhost (unknown [159.226.5.99]) by APP-03 (Coremail) with SMTP id rQCowACHjxs5jztfmH8kAw--.22912S2; Tue, 18 Aug 2020 16:20:09 +0800 (CST) From: Xu Wang To: ast@kernel.org, daniel@iogearbox.net, kafai@fb.com, songliubraving@fb.com, yhs@fb.com, andriin@fb.com, john.fastabend@gmail.com, kpsingh@chromium.org, netdev@vger.kernel.org, bpf@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Xu Wang Subject: [PATCH] libbpf: simplify the return expression of build_map_pin_path() Date: Tue, 18 Aug 2020 08:20:08 +0000 Message-Id: <20200818082008.12143-1-vulab@iscas.ac.cn> X-Mailer: git-send-email 2.17.1 X-CM-TRANSID: rQCowACHjxs5jztfmH8kAw--.22912S2 X-Coremail-Antispam: 1UD129KBjvdXoWrGr48AFykWr43Zr4DJF1DJrb_yoWxXrc_A3 W8XF4xGrZ8GFWay3yrCrZ0vryxAas5Grs5uFs2qrsxJF1jkFW5ArZrCF95JFyYgw4xKFy7 AF93Ary7Ar43ujkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbg8YjsxI4VWDJwAYFVCjjxCrM7AC8VAFwI0_Gr0_Xr1l1xkIjI8I 6I8E6xAIw20EY4v20xvaj40_Wr0E3s1l1IIY67AEw4v_Jr0_Jr4l8cAvFVAK0II2c7xJM2 8CjxkF64kEwVA0rcxSw2x7M28EF7xvwVC0I7IYx2IY67AKxVW7JVWDJwA2z4x0Y4vE2Ix0 cI8IcVCY1x0267AKxVWxJVW8Jr1l84ACjcxK6I8E87Iv67AKxVWxJr0_GcWl84ACjcxK6I 8E87Iv6xkF7I0E14v26rxl6s0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI 64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r1q6rW5McIj6I8E87Iv67AKxVWxJr0_Gc WlOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcxkI7VAKI48JM4x0Y40E4IxF1VCIxcxG6Fyj 6r4UJwACjI8F5VA0II8E6IAqYI8I648v4I1lFIxGxcIEc7CjxVA2Y2ka0xkIwI1lc2xSY4 AK67AK6r43MxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8C rVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8Zw CIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x02 67AKxVW8JVWxJwCI42IY6xAIw20EY4v20xvaj40_Wr1j6rW3Jr1lIxAIcVC2z280aVAFwI 0_Jr0_Gr1lIxAIcVC2z280aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7x RM4E_DUUUUU== X-Originating-IP: [159.226.5.99] X-CM-SenderInfo: pyxotu46lvutnvoduhdfq/1tbiCQUMA102ZgiJnQAAsS Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Simplify the return expression. Signed-off-by: Xu Wang --- tools/lib/bpf/libbpf.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index 5055e1531e43..b423fdaae0b6 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -1935,11 +1935,7 @@ static int build_map_pin_path(struct bpf_map *map, const char *path) else if (len >= PATH_MAX) return -ENAMETOOLONG; - err = bpf_map__set_pin_path(map, buf); - if (err) - return err; - - return 0; + return bpf_map__set_pin_path(map, buf); }