From patchwork Thu Jun 2 08:14:57 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Satoru Takeuchi X-Patchwork-Id: 9149495 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 6227D60467 for ; Thu, 2 Jun 2016 08:15:25 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5231D20120 for ; Thu, 2 Jun 2016 08:15:25 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 474782665D; Thu, 2 Jun 2016 08:15:25 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D9FFC20120 for ; Thu, 2 Jun 2016 08:15:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932349AbcFBIPU (ORCPT ); Thu, 2 Jun 2016 04:15:20 -0400 Received: from mgwym04.jp.fujitsu.com ([211.128.242.43]:17488 "EHLO mgwym04.jp.fujitsu.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932157AbcFBIPR (ORCPT ); Thu, 2 Jun 2016 04:15:17 -0400 Received: from yt-mxq.gw.nic.fujitsu.com (unknown [192.168.229.66]) by mgwym04.jp.fujitsu.com with smtp id 127f_4ab8_6ee5ce16_c1e7_460e_8dbf_27a331b97733; Thu, 02 Jun 2016 17:15:11 +0900 Received: from m3051.s.css.fujitsu.com (m3051.s.css.fujitsu.com [10.134.21.209]) by yt-mxq.gw.nic.fujitsu.com (Postfix) with ESMTP id 0C6D9AC01FC for ; Thu, 2 Jun 2016 17:15:10 +0900 (JST) X-SecurityPolicyCheck: OK by SHieldMailChecker v2.4.6 X-SHieldMailCheckerPolicyVersion: FJ-ISEC-20160122 X-SHieldMailCheckerMailID: 90c05475eee54a85a272bb0ae97d0b57 Subject: [PATCH 5/5] btrfs-progs: btrfs-crc: make argc check more strict To: "linux-btrfs@vger.kernel.org" References: <08faf8d3-0cc4-5164-b583-f69c8c3eb5bc@jp.fujitsu.com> From: Satoru Takeuchi Message-ID: <9919499d-5ffe-e7b2-1e08-922f33edeb23@jp.fujitsu.com> Date: Thu, 2 Jun 2016 17:14:57 +0900 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.1.0 MIME-Version: 1.0 In-Reply-To: <08faf8d3-0cc4-5164-b583-f69c8c3eb5bc@jp.fujitsu.com> X-TM-AS-MML: disable Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Satoru Takeuchi --- btrfs-crc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/btrfs-crc.c b/btrfs-crc.c index c2b5f00..d433ff3 100644 --- a/btrfs-crc.c +++ b/btrfs-crc.c @@ -69,12 +69,14 @@ int main(int argc, char **argv) str = argv[optind]; if (!loop) { - if (check_argc_min(argc - optind, 1)) + if (check_argc_exact(argc - optind, 1)) print_usage(255); printf("%12u - %s\n", crc32c(~1, str, strlen(str)), str); return 0; } + if (check_argc_exact(argc - optind, 0)) + print_usage(255); buf = malloc(length); if (!buf)