From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Kuehling, Felix" <Felix.Kuehling@amd.com>
Subject: Re: [PATCH][next] drm/amdkfd: fix null pointer dereference on dev
Date: Wed, 29 May 2019 21:29:58 +0000
Message-ID: <caa18dab-ac66-a909-1d94-3dc5604971da@amd.com>
References: <20190529150734.18120-1-colin.king@canonical.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <linux-kernel-owner@vger.kernel.org>
In-Reply-To: <20190529150734.18120-1-colin.king@canonical.com>
Content-Language: en-US
Content-ID: <5DDDE1C51BFA0C4CA50EF3091B91A1F2@namprd12.prod.outlook.com>
Sender: linux-kernel-owner@vger.kernel.org
To: Colin King <colin.king@canonical.com>, Oded Gabbay <oded.gabbay@gmail.com>, "Deucher, Alexander" <Alexander.Deucher@amd.com>, "Koenig, Christian" <Christian.Koenig@amd.com>, "Zhou, David(ChunMing)" <David1.Zhou@amd.com>, David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>, "dri-devel@lists.freedesktop.org" <dri-devel@lists.freedesktop.org>, "amd-gfx@lists.freedesktop.org" <amd-gfx@lists.freedesktop.org>, "Zeng, Oak" <Oak.Zeng@amd.com>
Cc: "kernel-janitors@vger.kernel.org" <kernel-janitors@vger.kernel.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
List-Id: amd-gfx.lists.freedesktop.org
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