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=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 630DFC4151A for ; Fri, 8 Feb 2019 18:12:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3E94921B68 for ; Fri, 8 Feb 2019 18:12:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727115AbfBHSMl (ORCPT ); Fri, 8 Feb 2019 13:12:41 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:36982 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727700AbfBHSMl (ORCPT ); Fri, 8 Feb 2019 13:12:41 -0500 Received: from pps.filterd (m0098409.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x18I3rn7006135 for ; Fri, 8 Feb 2019 13:12:40 -0500 Received: from e17.ny.us.ibm.com (e17.ny.us.ibm.com [129.33.205.207]) by mx0a-001b2d01.pphosted.com with ESMTP id 2qhe1w22jw-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Fri, 08 Feb 2019 13:12:40 -0500 Received: from localhost by e17.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 8 Feb 2019 18:12:39 -0000 Received: from b01cxnp22034.gho.pok.ibm.com (9.57.198.24) by e17.ny.us.ibm.com (146.89.104.204) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Fri, 8 Feb 2019 18:12:35 -0000 Received: from b01ledav006.gho.pok.ibm.com (b01ledav006.gho.pok.ibm.com [9.57.199.111]) by b01cxnp22034.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x18ICYNL17039366 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 8 Feb 2019 18:12:35 GMT Received: from b01ledav006.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id AF49DAC062; Fri, 8 Feb 2019 18:12:34 +0000 (GMT) Received: from b01ledav006.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9E52AAC05F; Fri, 8 Feb 2019 18:12:34 +0000 (GMT) Received: from sbct-3.pok.ibm.com (unknown [9.47.158.153]) by b01ledav006.gho.pok.ibm.com (Postfix) with ESMTP; Fri, 8 Feb 2019 18:12:34 +0000 (GMT) Subject: Re: [PATCH v4 1/2] tpm: Unify the send callback behaviour To: Jarkko Sakkinen , linux-integrity@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, Peter Huewe , Jason Gunthorpe , Stefan Berger , Alexander Steffen , stable@vger.kernel.org References: <20190208180857.12330-1-jarkko.sakkinen@linux.intel.com> <20190208180857.12330-2-jarkko.sakkinen@linux.intel.com> From: Stefan Berger Date: Fri, 8 Feb 2019 13:12:34 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.3.1 MIME-Version: 1.0 In-Reply-To: <20190208180857.12330-2-jarkko.sakkinen@linux.intel.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-MW X-TM-AS-GCONF: 00 x-cbid: 19020818-0040-0000-0000-000004BED44C X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00010560; HX=3.00000242; KW=3.00000007; PH=3.00000004; SC=3.00000279; SDB=6.01158182; UDB=6.00604226; IPR=6.00938714; MB=3.00025496; MTD=3.00000008; XFM=3.00000015; UTC=2019-02-08 18:12:38 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19020818-0041-0000-0000-000008C9F0C1 Message-Id: <4072b2b6-0f95-be50-0772-7e2869c2c24e@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-02-08_09:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=789 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1902080124 Sender: owner-linux-security-module@vger.kernel.org Precedence: bulk List-ID: On 2/8/19 1:08 PM, Jarkko Sakkinen wrote: > The send() callback should never return length as it does not in every > driver except tpm_crb in the success case. The reason is that the main > transmit functionality only cares about whether the transmit was > successful or not and ignores the count completely. > > Cc: stable@vger.kernel.org > Signed-off-by: Jarkko Sakkinen Reviewed-by: Stefan Berger Let me know when you put it into your tree, I'll give it a spin while I am at it. :-)