From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966146AbcBDTXS (ORCPT ); Thu, 4 Feb 2016 14:23:18 -0500 Received: from gabe.freedesktop.org ([131.252.210.177]:46213 "EHLO gabe.freedesktop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934004AbcBDTXN (ORCPT ); Thu, 4 Feb 2016 14:23:13 -0500 From: Eric Anholt To: dri-devel@lists.freedesktop.org Cc: linux-kernel@vger.kernel.org, David Airlie , Eric Anholt Subject: [PATCH 1/5] drm/vc4: Validate that WAIT_BO padding is cleared. Date: Thu, 4 Feb 2016 11:23:07 -0800 Message-Id: <1454613791-29049-2-git-send-email-eric@anholt.net> X-Mailer: git-send-email 2.7.0 In-Reply-To: <1454613791-29049-1-git-send-email-eric@anholt.net> References: <1454613791-29049-1-git-send-email-eric@anholt.net> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is ABI future-proofing if we ever want to extend the pad to mean something. Signed-off-by: Eric Anholt --- drivers/gpu/drm/vc4/vc4_gem.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/vc4/vc4_gem.c b/drivers/gpu/drm/vc4/vc4_gem.c index 48ce30a..cc89ffc 100644 --- a/drivers/gpu/drm/vc4/vc4_gem.c +++ b/drivers/gpu/drm/vc4/vc4_gem.c @@ -746,6 +746,9 @@ vc4_wait_bo_ioctl(struct drm_device *dev, void *data, struct drm_gem_object *gem_obj; struct vc4_bo *bo; + if (args->pad != 0) + return -EINVAL; + gem_obj = drm_gem_object_lookup(dev, file_priv, args->handle); if (!gem_obj) { DRM_ERROR("Failed to look up GEM BO %d\n", args->handle); -- 2.7.0