From patchwork Tue Feb 7 13:16:51 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Carpenter X-Patchwork-Id: 9560031 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 1F600602B1 for ; Tue, 7 Feb 2017 13:17:08 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 10712204C2 for ; Tue, 7 Feb 2017 13:17:08 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0354028173; Tue, 7 Feb 2017 13:17:08 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 9AD42204C2 for ; Tue, 7 Feb 2017 13:17:07 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 901596E037; Tue, 7 Feb 2017 13:17:06 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by gabe.freedesktop.org (Postfix) with ESMTPS id E57A06E054; Tue, 7 Feb 2017 13:17:04 +0000 (UTC) Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id v17DH15T020019 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 7 Feb 2017 13:17:01 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0022.oracle.com (8.14.4/8.14.4) with ESMTP id v17DH04j020719 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 7 Feb 2017 13:17:01 GMT Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id v17DH0wh025295; Tue, 7 Feb 2017 13:17:00 GMT Received: from mwanda (/154.0.138.2) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 07 Feb 2017 05:16:59 -0800 Date: Tue, 7 Feb 2017 16:16:51 +0300 From: Dan Carpenter To: Alex Deucher , Monk Liu Subject: [patch] drm/amdgpu/virt: double free in amdgpu_map_static_csa() Message-ID: <20170207131651.GB27416@mwanda> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.6.0 (2016-04-01) X-Source-IP: aserv0022.oracle.com [141.146.126.234] Cc: kernel-janitors@vger.kernel.org, dri-devel@lists.freedesktop.org, Xiangliang Yu , amd-gfx@lists.freedesktop.org, Christian =?iso-8859-1?Q?K=F6nig?= X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP The amdgpu_vm_bo_rmv() function frees "bo_va" so we shouldn't free it a second time. Fixes: 4e4bbe7343a6 ("drm/amdgpu:add new file for SRIOV") Signed-off-by: Dan Carpenter diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c index 3fd951c71d1b..dcfb7df3caf4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c @@ -83,7 +83,6 @@ int amdgpu_map_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm) DRM_ERROR("failed to do bo_map on static CSA, err=%d\n", r); amdgpu_vm_bo_rmv(adev, bo_va); ttm_eu_backoff_reservation(&ticket, &list); - kfree(bo_va); return r; }