From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:35837 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2992672AbbHHWCn (ORCPT ); Sat, 8 Aug 2015 18:02:43 -0400 Subject: Patch "drm/nouveau: hold mutex when calling nouveau_abi16_fini()" has been added to the 4.1-stable tree To: kdudka@redhat.com, gregkh@linuxfoundation.org Cc: , From: Date: Sat, 08 Aug 2015 15:02:40 -0700 Message-ID: <14390713607841@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled drm/nouveau: hold mutex when calling nouveau_abi16_fini() to the 4.1-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: drm-nouveau-hold-mutex-when-calling-nouveau_abi16_fini.patch and it can be found in the queue-4.1 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From ac8c79304280da6ef05c348a9da03ab04898b994 Mon Sep 17 00:00:00 2001 From: Kamil Dudka Date: Wed, 15 Jul 2015 17:18:15 +0200 Subject: drm/nouveau: hold mutex when calling nouveau_abi16_fini() From: Kamil Dudka commit ac8c79304280da6ef05c348a9da03ab04898b994 upstream. This was the only access to cli->abi16 without holding the mutex. Signed-off-by: Kamil Dudka Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/nouveau/nouveau_drm.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -863,8 +863,10 @@ nouveau_drm_preclose(struct drm_device * pm_runtime_get_sync(dev->dev); + mutex_lock(&cli->mutex); if (cli->abi16) nouveau_abi16_fini(cli->abi16); + mutex_unlock(&cli->mutex); mutex_lock(&drm->client.mutex); list_del(&cli->head); Patches currently in stable-queue which might be from kdudka@redhat.com are queue-4.1/drm-nouveau-drm-nv04-nv40-instmem-protect-access-to-priv-heap-by-mutex.patch queue-4.1/drm-nouveau-hold-mutex-when-calling-nouveau_abi16_fini.patch