From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-585387-1524656252-2-17072869398231370305 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.25, MAILING_LIST_MULTI -1, ME_NOAUTH 0.01, RCVD_IN_DNSWL_HI -5, LANGUAGES enda, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='US', FromHeader='org', MailFrom='org' X-Spam-charsets: plain='UTF-8' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: stable-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=fm2; t= 1524656252; b=rqeu4tkchS3YDDbenb4hF6P8sksQ4bF6XpZImTpwqC/Qt79n8H MJPelFzfUAuck87OsavM8oojEuRaBODnKUdfSGTo1LLnFGxpednEGmQHS8H+oOIX HTRIS1iXyvTXBbdvP7HbGPIju5wsWI6fc4eKzwX+l+0WWLW6Q1kbidVct0fTPEkI //3kBaEYPqTul3mpC3QJ0xzvqqE/SfVp9AczjohU594bCfIWs8JQ2HqfXG9jkuyj esgOl/DoV9jpgQqo+deLDfkh5l+QfMikRWOSOVTZxe4dgjvPmQLvjT4K/n2hLw4J +0yUB8somMtXusNL7Xr57OO7UEPdxGJYUOqA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-type:sender :list-id; s=fm2; t=1524656252; bh=NynLDIBlHidOzHUyyXGHd2zKt4Qcx+ PO9AfQUV6Z/r8=; b=gZbHlGHrYHwe3JxYHfiXVE7SgHxTat2gqpT8NrDfF6D268 SXnVdbK7m/nFWOcW6qpB7jj56xto2lHw+8D5cso1A5Ud9msfFtoFy525JmckHPBq Z1/6K4w6KCe4LnPVncafB2uFVfsyYiM1UqKRXblc2WGIGG1SnP2RV/wlzBwmWB7T YZGSLQAhfgNE91rWJK5IkZswv8GwkcmrrblrJZ6oky3MN/9X6AoqVhyGlJ6R43og st9N4V36UksYv7h35Xp9exuJjILrYc3sS6ZCH46Urvy7G1QxzvMD5MQDlyy53tz+ WuwJ+jZZY6TUWZZM1b39/aQ3R0ho9Nsog3Jl+2kQ== ARC-Authentication-Results: i=1; mx4.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-cm=none score=0; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes; x-vs=clean score=-100 state=0 Authentication-Results: mx4.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-cm=none score=0; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes; x-vs=clean score=-100 state=0 X-ME-VSCategory: clean X-CM-Envelope: MS4wfPr9g+Vya4K6v6l4JXKXJQXJMJUEnsWZ8nBLuFzWSnMx6qwudCUuY9Ftn+S7k5c6yCHHBbLUw39ooWQrBmaK+w5RdALYmq8e+qXiWZnOMzSSTKF+SNck JatS74rWyDXThyiylSpr4iWj6T/PB0+UUv7YrbCvW3fwE/UCrsMOHKj7iZiO3aX/0TweF3FJ8NUQbrYzlM5ReaKyas32ZFfX9MpT+syLH5mbhSVR+i1x1o05 X-CM-Analysis: v=2.3 cv=JLoVTfCb c=1 sm=1 tr=0 a=UK1r566ZdBxH71SXbqIOeA==:117 a=UK1r566ZdBxH71SXbqIOeA==:17 a=IkcTkHD0fZMA:10 a=Kd1tUaAdevIA:10 a=20KFwNOVAAAA:8 a=VwQbUJbxAAAA:8 a=QyXUC8HyAAAA:8 a=ag1SF4gXAAAA:8 a=bGqfTJUBWilyF4UDXlYA:9 a=QEXdDO2ut3YA:10 a=AjGcO6oz07-iQ99wixmX:22 a=Yupwre4RP9_Eg_Bd0iYG:22 X-ME-CMScore: 0 X-ME-CMCategory: none Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753046AbeDYLge (ORCPT ); Wed, 25 Apr 2018 07:36:34 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:50732 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752075AbeDYKdy (ORCPT ); Wed, 25 Apr 2018 06:33:54 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Gerd Hoffmann , Alex Williamson , Zhenyu Wang Subject: [PATCH 4.16 10/26] drm/i915/gvt: throw error on unhandled vfio ioctls Date: Wed, 25 Apr 2018 12:33:19 +0200 Message-Id: <20180425103315.261058445@linuxfoundation.org> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180425103314.842517924@linuxfoundation.org> References: <20180425103314.842517924@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.16-stable review patch. If anyone has any objections, please let me know. ------------------ From: Gerd Hoffmann commit 9f591ae60e1be026901398ef99eede91237aa3a1 upstream. On unknown/unhandled ioctls the driver should return an error, so userspace knows it tried to use something unsupported. Cc: stable@vger.kernel.org Signed-off-by: Gerd Hoffmann Reviewed-by: Alex Williamson Signed-off-by: Zhenyu Wang Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/i915/gvt/kvmgt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/i915/gvt/kvmgt.c +++ b/drivers/gpu/drm/i915/gvt/kvmgt.c @@ -1284,7 +1284,7 @@ static long intel_vgpu_ioctl(struct mdev } - return 0; + return -ENOTTY; } static ssize_t