From mboxrd@z Thu Jan  1 00:00:00 1970
From: =?UTF-8?Q?Christian_K=c3=b6nig?= <christian.koenig-5C7GfCeVMHo@public.gmane.org>
Subject: Re: [PATCH] drm/amdgpu: don't try to unreserve NULL pointer
Date: Tue, 18 Sep 2018 10:40:41 +0200
Message-ID: <248d2af0-e330-90e9-38c8-176a2bbd3649@amd.com>
References: <20180917180724.1803-1-christian.koenig@amd.com>
 <BYAPR12MB27754BE2A5210C53B1054F53FB1D0@BYAPR12MB2775.namprd12.prod.outlook.com>
 <27a7e247-d895-17e8-5493-051dea82536d@gmail.com>
 <BYAPR12MB27759724D41FECEEC1926845FB1D0@BYAPR12MB2775.namprd12.prod.outlook.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Content-Transfer-Encoding: base64
Return-path: <amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
In-Reply-To: <BYAPR12MB27759724D41FECEEC1926845FB1D0-ZGDeBxoHBPmJeBUhB162ZQdYzm3356FpvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
Content-Language: en-US
List-Id: Discussion list for AMD gfx <amd-gfx.lists.freedesktop.org>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/amd-gfx>,
 <mailto:amd-gfx-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/amd-gfx>
List-Post: <mailto:amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
List-Help: <mailto:amd-gfx-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/amd-gfx>,
 <mailto:amd-gfx-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=subscribe>
Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Sender: "amd-gfx" <amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
To: "Zhu, Rex" <Rex.Zhu-5C7GfCeVMHo@public.gmane.org>, "amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org" <amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
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