From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933380AbcCHAcH (ORCPT ); Mon, 7 Mar 2016 19:32:07 -0500 Received: from youngberry.canonical.com ([91.189.89.112]:38953 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932202AbcCGWxO (ORCPT ); Mon, 7 Mar 2016 17:53:14 -0500 From: Kamal Mostafa To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Cc: Insu Yun , Dave Airlie , Kamal Mostafa Subject: [PATCH 4.2.y-ckt 098/273] drm: fix missing reference counting decrease Date: Mon, 7 Mar 2016 14:48:09 -0800 Message-Id: <1457391064-6660-99-git-send-email-kamal@canonical.com> X-Mailer: git-send-email 2.7.0 In-Reply-To: <1457391064-6660-1-git-send-email-kamal@canonical.com> References: <1457391064-6660-1-git-send-email-kamal@canonical.com> X-Extended-Stable: 4.2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.2.8-ckt5 -stable review patch. If anyone has any objections, please let me know. ---8<------------------------------------------------------------ From: Insu Yun commit dabe19540af9e563d526113bb102e1b9b9fa73f9 upstream. In drm_dp_mst_allocate_vcpi, it returns true in two paths, but in one path, there is no reference couting decrease. Signed-off-by: Insu Yun Signed-off-by: Dave Airlie Signed-off-by: Kamal Mostafa --- drivers/gpu/drm/drm_dp_mst_topology.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index 3f8b30f..55b5139 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -2410,6 +2410,7 @@ bool drm_dp_mst_allocate_vcpi(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp DRM_DEBUG_KMS("payload: vcpi %d already allocated for pbn %d - requested pbn %d\n", port->vcpi.vcpi, port->vcpi.pbn, pbn); if (pbn == port->vcpi.pbn) { *slots = port->vcpi.num_slots; + drm_dp_put_port(port); return true; } } -- 2.7.0