From patchwork Thu Aug 22 09:36:54 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 11108961 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 76BC6912 for ; Thu, 22 Aug 2019 09:37:09 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5F894233FE for ; Thu, 22 Aug 2019 09:37:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5F894233FE Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A6A496EAEA; Thu, 22 Aug 2019 09:37:08 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by gabe.freedesktop.org (Postfix) with ESMTPS id 35D006EAD3 for ; Thu, 22 Aug 2019 09:36:58 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id BFA71C08C33E; Thu, 22 Aug 2019 09:36:57 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-116-60.ams2.redhat.com [10.36.116.60]) by smtp.corp.redhat.com (Postfix) with ESMTP id 1B1BD5D712; Thu, 22 Aug 2019 09:36:55 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 6A16297A1; Thu, 22 Aug 2019 11:36:54 +0200 (CEST) From: Gerd Hoffmann To: dri-devel@lists.freedesktop.org Subject: [PATCH 3/3] udmabuf: check that flags has no unsupported bits set Date: Thu, 22 Aug 2019 11:36:54 +0200 Message-Id: <20190822093654.23752-4-kraxel@redhat.com> In-Reply-To: <20190822093654.23752-1-kraxel@redhat.com> References: <20190822093654.23752-1-kraxel@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Thu, 22 Aug 2019 09:36:57 +0000 (UTC) X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Gerd Hoffmann , open list , "moderated list:DMA BUFFER SHARING FRAMEWORK" , laurent.pinchart@ideasonboard.com, "open list:DMA BUFFER SHARING FRAMEWORK" MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Signed-off-by: Gerd Hoffmann Reported-by: Yann Droneaud --- drivers/dma-buf/udmabuf.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/dma-buf/udmabuf.c b/drivers/dma-buf/udmabuf.c index 6c3ec8fcef01..ca1364102b18 100644 --- a/drivers/dma-buf/udmabuf.c +++ b/drivers/dma-buf/udmabuf.c @@ -131,6 +131,9 @@ static long udmabuf_create(const struct udmabuf_create_list *head, int seals, ret = -EINVAL; u32 i, flags; + if (head->flags & ~UDMABUF_FLAGS_CLOEXEC) + return -EINVAL; + ubuf = kzalloc(sizeof(*ubuf), GFP_KERNEL); if (!ubuf) return -ENOMEM;