From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763965AbbA2DQu (ORCPT ); Wed, 28 Jan 2015 22:16:50 -0500 Received: from youngberry.canonical.com ([91.189.89.112]:46958 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762155AbbA2CgR (ORCPT ); Wed, 28 Jan 2015 21:36:17 -0500 From: Kamal Mostafa To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Cc: Thomas Hellstrom , Kamal Mostafa Subject: [PATCH 3.13.y-ckt 077/139] drm/vmwgfx: Fix fence event code Date: Wed, 28 Jan 2015 14:20:20 -0800 Message-Id: <1422483682-15393-78-git-send-email-kamal@canonical.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1422483682-15393-1-git-send-email-kamal@canonical.com> References: <1422483682-15393-1-git-send-email-kamal@canonical.com> X-Extended-Stable: 3.13 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.13.11-ckt15 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Thomas Hellstrom commit 89669e7a7f96be3ee8d9a22a071d7c0d3b4428fc upstream. The commit "vmwgfx: Rework fence event action" introduced a number of bugs that are fixed with this commit: a) A forgotten return stateemnt. b) An if statement with identical branches. Reported-by: Rob Clark Signed-off-by: Thomas Hellstrom Reviewed-by: Jakob Bornecrantz Reviewed-by: Sinclair Yeh Signed-off-by: Kamal Mostafa --- drivers/gpu/drm/vmwgfx/vmwgfx_fence.c | 17 ++++++----------- 1 file changed, 6 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c index dc338fe..425a81b 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c @@ -1032,6 +1032,8 @@ int vmw_event_fence_action_create(struct drm_file *file_priv, if (ret != 0) goto out_no_queue; + return 0; + out_no_queue: event->base.destroy(&event->base); out_no_event: @@ -1106,17 +1108,10 @@ int vmw_fence_event_ioctl(struct drm_device *dev, void *data, BUG_ON(fence == NULL); - if (arg->flags & DRM_VMW_FE_FLAG_REQ_TIME) - ret = vmw_event_fence_action_create(file_priv, fence, - arg->flags, - arg->user_data, - true); - else - ret = vmw_event_fence_action_create(file_priv, fence, - arg->flags, - arg->user_data, - true); - + ret = vmw_event_fence_action_create(file_priv, fence, + arg->flags, + arg->user_data, + true); if (unlikely(ret != 0)) { if (ret != -ERESTARTSYS) DRM_ERROR("Failed to attach event to fence.\n"); -- 1.9.1