From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail177-1.suw61.mandrillapp.com ([198.2.177.1]:38956 "EHLO mail177-1.suw61.mandrillapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750821AbcCAFZA (ORCPT ); Tue, 1 Mar 2016 00:25:00 -0500 Received: from pmta06.mandrill.prod.suw01.rsglab.com (127.0.0.1) by mail177-1.suw61.mandrillapp.com id hqkjqo22rtks for ; Tue, 1 Mar 2016 05:24:59 +0000 (envelope-from ) From: Subject: Patch "drm/gma500: Use correct unref in the gem bo create function" has been added to the 4.4-stable tree To: , , Cc: , Message-Id: <1456809897539@kroah.com> Date: Tue, 01 Mar 2016 05:24:59 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit 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/gma500: Use correct unref in the gem bo create function to the 4.4-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-gma500-use-correct-unref-in-the-gem-bo-create-function.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From d3e376f52d095103ca51dbda4d6ff8aaf488f98f Mon Sep 17 00:00:00 2001 From: Daniel Vetter Date: Mon, 23 Nov 2015 10:32:49 +0100 Subject: drm/gma500: Use correct unref in the gem bo create function From: Daniel Vetter commit d3e376f52d095103ca51dbda4d6ff8aaf488f98f upstream. This is called without dev->struct_mutex held, we need to use the _unlocked variant. Never caught in the wild since you'd need an evil userspace which races a gem_close ioctl call with the in-progress open. Cc: Patrik Jakobsson Acked-by: Patrik Jakobsson Signed-off-by: Daniel Vetter Link: http://patchwork.freedesktop.org/patch/msgid/1448271183-20523-17-git-send-email-daniel.vetter@ffwll.ch Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/gma500/gem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/gma500/gem.c +++ b/drivers/gpu/drm/gma500/gem.c @@ -130,7 +130,7 @@ int psb_gem_create(struct drm_file *file return ret; } /* We have the initial and handle reference but need only one now */ - drm_gem_object_unreference(&r->gem); + drm_gem_object_unreference_unlocked(&r->gem); *handlep = handle; return 0; } Patches currently in stable-queue which might be from daniel.vetter@ffwll.ch are queue-4.4/drm-gma500-use-correct-unref-in-the-gem-bo-create-function.patch