From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752304AbdBCUZP (ORCPT ); Fri, 3 Feb 2017 15:25:15 -0500 Received: from youngberry.canonical.com ([91.189.89.112]:43398 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752270AbdBCUZO (ORCPT ); Fri, 3 Feb 2017 15:25:14 -0500 From: Colin King To: Alex Deucher , =?UTF-8?q?Christian=20K=C3=B6nig?= , David Airlie , Monk Liu , Xiangliang Yu , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] drm/amdgpu/virt: fix double kfree on bo_va Date: Fri, 3 Feb 2017 20:23:42 +0000 Message-Id: <20170203202342.13128-1-colin.king@canonical.com> X-Mailer: git-send-email 2.10.2 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Colin Ian King bo_va is being kfree'd twice, once in the call to amdgpu_vm_bo_rmv and then a short while later. Fix this double free by removing the 2nd kfree. Detected by CoverityScan, CID#1399524 ("Double Free") Signed-off-by: Colin Ian King --- drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c index 3fd951c..dcfb7df 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; } -- 2.10.2