Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933229AbdIHNXO (ORCPT ); Fri, 8 Sep 2017 09:23:14 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:36296 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933197AbdIHNXL (ORCPT ); Fri, 8 Sep 2017 09:23:11 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Ben Skeggs , dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org, Maarten Lankhorst , Sean Paul , Daniel Vetter Subject: [PATCH 4.12 35/43] drm/nouveau: Fix error handling in nv50_disp_atomic_commit Date: Fri, 8 Sep 2017 15:19:23 +0200 Message-Id: <20170908131827.837496355@linuxfoundation.org> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20170908131826.555428826@linuxfoundation.org> References: <20170908131826.555428826@linuxfoundation.org> User-Agent: quilt/0.65 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1969 Lines: 60 4.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Maarten Lankhorst commit 813a7e1604eaad1c2792d37d402e1b48b8d0eb3f upstream. Make it more clear that post commit return ret is really return 0, and add a missing drm_atomic_helper_cleanup_planes when drm_atomic_helper_wait_for_fences fails. Fixes: 839ca903f12e ("drm/nouveau/kms/nv50: transition to atomic interfaces internally") Cc: Ben Skeggs Cc: dri-devel@lists.freedesktop.org Cc: nouveau@lists.freedesktop.org Signed-off-by: Maarten Lankhorst Link: http://patchwork.freedesktop.org/patch/msgid/20170711143314.2148-2-maarten.lankhorst@linux.intel.com Reviewed-by: Sean Paul [mlankhorst: Use if (ret) to remove the goto in success case.] Reviewed-by: Daniel Vetter Signed-off-by: Daniel Vetter Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/nouveau/nv50_display.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -4091,7 +4091,7 @@ nv50_disp_atomic_commit(struct drm_devic if (!nonblock) { ret = drm_atomic_helper_wait_for_fences(dev, state, true); if (ret) - goto done; + goto err_cleanup; } for_each_plane_in_state(state, plane, plane_state, i) { @@ -4119,7 +4119,7 @@ nv50_disp_atomic_commit(struct drm_devic if (crtc->state->enable) { if (!drm->have_disp_power_ref) { drm->have_disp_power_ref = true; - return ret; + return 0; } active = true; break; @@ -4131,6 +4131,9 @@ nv50_disp_atomic_commit(struct drm_devic drm->have_disp_power_ref = false; } +err_cleanup: + if (ret) + drm_atomic_helper_cleanup_planes(dev, state); done: pm_runtime_put_autosuspend(dev->dev); return ret;