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=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,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 1ED2CC2D0EC for ; Fri, 10 Apr 2020 19:36:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id ECC0820801 for ; Fri, 10 Apr 2020 19:36:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726716AbgDJTgQ (ORCPT ); Fri, 10 Apr 2020 15:36:16 -0400 Received: from ex13-edg-ou-002.vmware.com ([208.91.0.190]:37087 "EHLO EX13-EDG-OU-002.vmware.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726203AbgDJTgQ (ORCPT ); Fri, 10 Apr 2020 15:36:16 -0400 Received: from sc9-mailhost3.vmware.com (10.113.161.73) by EX13-EDG-OU-002.vmware.com (10.113.208.156) with Microsoft SMTP Server id 15.0.1156.6; Fri, 10 Apr 2020 12:36:11 -0700 Received: from sc9-mailhost3.vmware.com (unknown [10.166.69.226]) by sc9-mailhost3.vmware.com (Postfix) with ESMTP id 8A89D40BB1; Fri, 10 Apr 2020 12:36:15 -0700 (PDT) From: Matt Helsley To: CC: Josh Poimboeuf , Peter Zijlstra , Julien Thierry , Ingo Molnar , Steven Rostedt , Miroslav Benes , Matt Helsley Subject: [RFC][PATCH 01/36] objtool: Exit successfully when requesting help Date: Fri, 10 Apr 2020 12:35:24 -0700 Message-ID: <91239ed2f7b4d40fc4ffaff6457550ef49618830.1586468801.git.mhelsley@vmware.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII Received-SPF: None (EX13-EDG-OU-002.vmware.com: mhelsley@vmware.com does not designate permitted sender hosts) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When the user requests help it's not an error so do not exit with a non-zero exit code. This is not especially useful for a user but any script that might wish to check that objtool --help is at least available can't rely on the exit code to crudely check that, for example building an objtool executable succeeds. Signed-off-by: Matt Helsley --- tools/objtool/objtool.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/tools/objtool/objtool.c b/tools/objtool/objtool.c index 0b3528f05053..593ec85915a9 100644 --- a/tools/objtool/objtool.c +++ b/tools/objtool/objtool.c @@ -58,7 +58,10 @@ static void cmd_usage(void) printf("\n"); - exit(129); + if (!help) + exit(129); + else + exit(0); } static void handle_options(int *argc, const char ***argv) -- 2.20.1