Received: by 2002:ac0:a591:0:0:0:0:0 with SMTP id m17-v6csp237306imm; Wed, 4 Jul 2018 22:39:29 -0700 (PDT) X-Google-Smtp-Source: AAOMgpfMTTj0dDyB7/fbDVZOb3Q+aRc2wvCFmPIGpz3/zrHDzDngen34gdgWWDZAcjvWlbziw4ut X-Received: by 2002:a62:bd03:: with SMTP id a3-v6mr4871156pff.138.1530769169865; Wed, 04 Jul 2018 22:39:29 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1530769169; cv=none; d=google.com; s=arc-20160816; b=m7YPIvaY3CRG7QE3+5O/ndE9LS/roCc/jW5G8LVzzXcq2KzAV5HoWnhWEa19oNcUOt IszXQnwj08DJ08C9szi8H2zbTvK7SP0dIecUfUz0qtm8rsqtZBtPYZXRn9NSRC1BCpzd 6+e5f1GPaIu5rFJeewvtOZGEobYYMrknA4fM1r+T4dSgooEYxVXAeQX9csAuQ3m4cMSr 5N/7LtVvNPqLKGAZ1y6SiFx9JVyg2Sff7dE3N4TXb+Yyek3eskN+kdRxFCVl14+v3p0R ++5bEXT/ua5YrdqYSl5TXuGM6YGhTOUapFFyZln3LNNZy86Ab+aKiPNE5OoY3/tlO9Bi xdbg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:from:subject:cc:to:message-id:date :arc-authentication-results; bh=19PTXnv1JoQigb/uWVv4TRRkZbiSKlsWAtKExcsOm/A=; b=Npq2YzbctCvmoaEmyKL5e/JQBq//y54bltsoHO2zdOd9+TmEbF9gJDmfxqozU9a/1l 5ykbSWrAyjtZiueH749xr82uuxNbfKH6iTegj4AeFAUV93o2g2VEoyCRKnub8iAVVBi9 8K+kULfT8Hj3NEGUCXsBKUKadaOYtapdS0vglug7rnRyiyPJWTSZ2agTpJP9vl6lZcah niy0PrW9lHX3e4e8DLAFBuERxOO7bzUMeT1/N9WZNZ+4C4JcNydQbMmLVeGEGfcf9O1l YIL01L0shHG+GbmVnhtA6wIp7w4bSjI7CrB7OpmD058N9LLLIo2hCkwothW87+3mKrZ5 bOWw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id w16-v6si5597753pfj.144.2018.07.04.22.39.15; Wed, 04 Jul 2018 22:39:29 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753430AbeGEFY0 (ORCPT + 99 others); Thu, 5 Jul 2018 01:24:26 -0400 Received: from shards.monkeyblade.net ([23.128.96.9]:50748 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751746AbeGEFYY (ORCPT ); Thu, 5 Jul 2018 01:24:24 -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 0CE71108CE7DB; Wed, 4 Jul 2018 22:24:22 -0700 (PDT) Date: Thu, 05 Jul 2018 14:24:21 +0900 (KST) Message-Id: <20180705.142421.1450664932148995979.davem@davemloft.net> To: treeze.taeung@gmail.com Cc: ast@kernel.org, daniel@iogearbox.net, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 3/4] samples/bpf: Check the error of write() and read() From: David Miller In-Reply-To: <20180704133639.11855-4-treeze.taeung@gmail.com> References: <20180704133639.11855-1-treeze.taeung@gmail.com> <20180704133639.11855-4-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=us-ascii Content-Transfer-Encoding: 7bit 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 22:24:24 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Taeung Song Date: Wed, 4 Jul 2018 22:36:38 +0900 > test_task_rename() and test_urandom_read() > can be failed during write() and read(), > So check the result of them. > > Reviewed-by: David Laight > Signed-off-by: Taeung Song Acked-by: David S. Miller