From mboxrd@z Thu Jan  1 00:00:00 1970
From: Rex Zhu <Rex.Zhu-5C7GfCeVMHo@public.gmane.org>
Subject: [PATCH 2/4] drm/amdgpu: Plus NULL function pointer check
Date: Mon, 12 Mar 2018 20:34:08 +0800
Message-ID: <1520858050-7338-2-git-send-email-Rex.Zhu@amd.com>
References: <1520858050-7338-1-git-send-email-Rex.Zhu@amd.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
In-Reply-To: <1520858050-7338-1-git-send-email-Rex.Zhu-5C7GfCeVMHo@public.gmane.org>
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: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Cc: Rex Zhu <Rex.Zhu-5C7GfCeVMHo@public.gmane.org>
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==