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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED 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 B5416C6778C for ; Thu, 5 Jul 2018 05:24:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6CE632086E for ; Thu, 5 Jul 2018 05:24:20 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6CE632086E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=davemloft.net Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753401AbeGEFYR (ORCPT ); Thu, 5 Jul 2018 01:24:17 -0400 Received: from shards.monkeyblade.net ([23.128.96.9]:50740 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751746AbeGEFYP (ORCPT ); Thu, 5 Jul 2018 01:24:15 -0400 Received: from localhost (unknown [211.196.191.92]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 10A8C108CE7DA; Wed, 4 Jul 2018 22:24:13 -0700 (PDT) Date: Thu, 05 Jul 2018 14:24:12 +0900 (KST) Message-Id: <20180705.142412.238281898262839575.davem@davemloft.net> To: treeze.taeung@gmail.com Cc: ast@kernel.org, daniel@iogearbox.net, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, qinteng@fb.com Subject: Re: [PATCH v2 2/4] samples/bpf: Check the result of system() From: David Miller In-Reply-To: <20180704133639.11855-3-treeze.taeung@gmail.com> References: <20180704133639.11855-1-treeze.taeung@gmail.com> <20180704133639.11855-3-treeze.taeung@gmail.com> X-Mailer: Mew version 6.7 on Emacs 26 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=iso-8859-7 Content-Transfer-Encoding: base64 X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Wed, 04 Jul 2018 22:24:15 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogVGFldW5nIFNvbmcgPHRyZWV6ZS50YWV1bmdAZ21haWwuY29tPg0KRGF0ZTogV2VkLCAg NCBKdWwgMjAxOCAyMjozNjozNyArMDkwMA0KDQo+IFRvIGF2b2lkIHRoZSBiZWxvdyBidWlsZCB3 YXJuaW5nIG1lc3NhZ2UsDQo+IHVzZSBuZXcgZ2VuZXJhdGVfbG9hZCgpIGNoZWNraW5nIHRoZSBy ZXR1cm4gdmFsdWUuDQo+IA0KPiAgIGlnbm9yaW5nIHJldHVybiB2YWx1ZSBvZiChc3lzdGVtoiwg ZGVjbGFyZWQgd2l0aCBhdHRyaWJ1dGUgd2Fybl91bnVzZWRfcmVzdWx0DQo+IA0KPiBBbmQgaXQg YWxzbyByZWZhY3RvcnMgdGhlIGR1cGxpY2F0ZSBjb2RlIG9mIGJvdGgNCj4gdGVzdF9wZXJmX2V2 ZW50X2FsbF9jcHUoKSBhbmQgdGVzdF9wZXJmX2V2ZW50X3Rhc2soKQ0KPiANCj4gQ2M6IFRlbmcg UWluIDxxaW50ZW5nQGZiLmNvbT4NCj4gU2lnbmVkLW9mZi1ieTogVGFldW5nIFNvbmcgPHRyZWV6 ZS50YWV1bmdAZ21haWwuY29tPg0KDQpBY2tlZC1ieTogRGF2aWQgUy4gTWlsbGVyIDxkYXZlbUBk YXZlbWxvZnQubmV0Pg0K