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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 C5A92C388F2 for ; Tue, 20 Oct 2020 15:49:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7B2DE22244 for ; Tue, 20 Oct 2020 15:49:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2436798AbgJTPtB (ORCPT ); Tue, 20 Oct 2020 11:49:01 -0400 Received: from mga18.intel.com ([134.134.136.126]:32368 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728506AbgJTPtB (ORCPT ); Tue, 20 Oct 2020 11:49:01 -0400 IronPort-SDR: itw46L9F+aq+ZEb/oJ2iYjjG+4W0HL9LNz9o8aKKosIz+mRWBB2f5syAmAX4vC+BgQLhOCTdtO YIfzQ3xlqsDg== X-IronPort-AV: E=McAfee;i="6000,8403,9779"; a="155014925" X-IronPort-AV: E=Sophos;i="5.77,397,1596524400"; d="scan'208";a="155014925" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Oct 2020 08:48:55 -0700 IronPort-SDR: Gh+XBK5oxzwAcfqGGNh3U4p6RFy1RLZkcgwi1pOImGREShle7jDBdRvOl+M2RKvppisjK8jtfo uqKDfbhENF3A== X-IronPort-AV: E=Sophos;i="5.77,397,1596524400"; d="scan'208";a="522421669" Received: from pnaik-mobl.amr.corp.intel.com (HELO [10.213.163.220]) ([10.213.163.220]) by fmsmga006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Oct 2020 08:48:55 -0700 Subject: Re: [PATCH v39 15/24] x86/sgx: Add SGX_IOC_ENCLAVE_PROVISION To: Jarkko Sakkinen , x86@kernel.org, linux-sgx@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, Jethro Beekman , Darren Kenny , Andy Lutomirski , akpm@linux-foundation.org, andriy.shevchenko@linux.intel.com, asapek@google.com, bp@alien8.de, cedric.xing@intel.com, chenalexchen@google.com, conradparker@google.com, cyhanish@google.com, haitao.huang@intel.com, kai.huang@intel.com, kai.svahn@intel.com, kmoy@google.com, ludloff@google.com, nhorman@redhat.com, npmccallum@redhat.com, puiterwijk@redhat.com, rientjes@google.com, sean.j.christopherson@intel.com, tglx@linutronix.de, yaozhangx@google.com, mikko.ylinen@intel.com References: <20201003045059.665934-1-jarkko.sakkinen@linux.intel.com> <20201003045059.665934-16-jarkko.sakkinen@linux.intel.com> From: Dave Hansen Autocrypt: addr=dave.hansen@intel.com; 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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20201003045059.665934-16-jarkko.sakkinen@linux.intel.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > int __init sgx_drv_init(void) > { > unsigned int eax, ebx, ecx, edx; > @@ -181,5 +192,12 @@ int __init sgx_drv_init(void) > return ret; > } > > + ret = misc_register(&sgx_dev_provision); > + if (ret) { > + pr_err("Creating /dev/sgx/provision failed with %d.\n", ret); > + misc_deregister(&sgx_dev_enclave); > + return ret; > + } > + Isn't it a *bit* too specific to say that a device file failed to be created? Do other misc devices use this kind of message?