Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.32 as permitted sender) client-ip=23.128.96.32;
From:   =?utf-8?B?SXJ1aSBXYW5nICjnjovnkZ4p?= <Irui.Wang@mediatek.com>
To:     "matthias.bgg@gmail.com" <matthias.bgg@gmail.com>,
        "mchehab@kernel.org" <mchehab@kernel.org>,
        "angelogioacchino.delregno@collabora.com" 
        <angelogioacchino.delregno@collabora.com>,
        "nicolas.dufresne@collabora.com" <nicolas.dufresne@collabora.com>,
        "hverkuil-cisco@xs4all.nl" <hverkuil-cisco@xs4all.nl>,
        =?utf-8?B?WXVuZmVpIERvbmcgKOiRo+S6kemjnik=?= 
        <Yunfei.Dong@mediatek.com>
CC:     "linux-arm-kernel@lists.infradead.org" 
        <linux-arm-kernel@lists.infradead.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "linux-media@vger.kernel.org" <linux-media@vger.kernel.org>,
        "linux-mediatek@lists.infradead.org" 
        <linux-mediatek@lists.infradead.org>,
        =?utf-8?B?TWFvZ3VhbmcgTWVuZyAo5a2f5q+b5bm/KQ==?= 
        <Maoguang.Meng@mediatek.com>,
        Project_Global_Chrome_Upstream_Group 
        <Project_Global_Chrome_Upstream_Group@mediatek.com>,
        "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>
Subject: Re: [PATCH 2/2] media: mediatek: vcodec: Handle encoder vsi NULL
 pointer case
Thread-Topic: [PATCH 2/2] media: mediatek: vcodec: Handle encoder vsi NULL
 pointer case
Thread-Index: AQHZ8GMBpdc65+S2UUigw07IyekOSrA67zMAgAL7m4A=
Date:   Sat, 7 Oct 2023 06:16:21 +0000
Message-ID: <bfac65fcd5df18fd31db4b0d326b0dec48ae88e1.camel@mediatek.com>
References: <20230926101909.15030-1-irui.wang@mediatek.com>
         <20230926101909.15030-2-irui.wang@mediatek.com>
         <b7c19673-a3bd-449a-9e84-49a68c89b0ea@xs4all.nl>
In-Reply-To: <b7c19673-a3bd-449a-9e84-49a68c89b0ea@xs4all.nl>
Accept-Language: en-US
Content-Language: en-US
x-ms-exchange-antispam-messagedata-chunkcount: 1
x-ms-exchange-antispam-messagedata-0: =?utf-8?B?Rlc1ZEpId2hBYUtuZ21PY2hpL3VteFp1WXFWSmZyZ3I5R1Y5RlQ5RXY4VGlU?=
 =?utf-8?B?cStYM1YxclB5Mmx3cXh2M2EwRW12b01tempWcmpPSzAwZ2JzOVNkL0J4YTUv?=
 =?utf-8?B?Ym9jd3pGR0dKNnB5U3JkUmt4Zmx1bkpSb0o0TFNlcmFBNnBNeTlHKzErWnBX?=
 =?utf-8?B?S0dIL2NtSHVHcjFlQzVxM2MwM3RHN2ZsdjlKRm9TMzlmbVdDYW84bTlvcFhp?=
 =?utf-8?B?SUtjQlMxRVJZekFxUXFuSmM3K3dTR2Y4cG94SlExWmpsM2JaVnpCa1dRcFVH?=
 =?utf-8?B?WWE2bDZSUERVa3B1UExqb0RrbWhycWRINEVIanBVaS9BNkFYd0VqU2M3Z1c2?=
 =?utf-8?B?VXg5cHFlZTEwTkVyN0lWcGhvNiszNVhDNzFBK2VHU2lSYVV4bWh6UWNBQmxW?=
 =?utf-8?B?eW1wakR2QTFDNmtyelo2SXNRQVpyUUxyd3dlbVRoeTVuMElISEdRa1orUCtO?=
 =?utf-8?B?eEdraHdXZllUWGQyN0srODZtWlUwRlI0M25QNWl3ay9tV2JWNTZwT2NlUnZU?=
 =?utf-8?B?NktZYkRDV3pVUXl0V1FYVGtGRVhHdjMybHBCd0ZNU3NzcTYvYU1BdEdZVisr?=
 =?utf-8?B?V1prNVdvOFMwczBrNDhjdDBYQjR5cU02akJTRXZ2dmdvZWxjdmt4Sldyd0ty?=
 =?utf-8?B?TUVKVUJGZW0zdmFJUXgwREgwWjEzZWhoT3NIS3R2VWxIWUU5ZzdtcjVVdTBk?=
 =?utf-8?B?WFRSdUJxOThxUkVkOGlxOXhPNno0eTBsaUM0L0dvck5zNnkvUnQ5ZCs0ZUlP?=
 =?utf-8?B?d0NiNldkRGI5NXBHZWdCbi9ORWxjd3J5TlhJWlhRcmk1TitJc05CdFBPeHY0?=
 =?utf-8?B?S1RNQ2VVVVFhSlRWbmJkY0piS1haVmgyOG9UQlRCbWpSa0toVDhXMDRYK2R6?=
 =?utf-8?B?SXRVQlpzdDVUUW4wNU96elMzd1BCcnBBUldwck4vakpsYXVZeDc1U1JoRThO?=
 =?utf-8?B?OGtkU29iRnI2ZEpZOXZkV2hkZHRwalptSEp5amVURkNBbjFIbUNkVkNNNjRk?=
 =?utf-8?B?SlNmN2J3VGtKdnNuOFIvT0djS0F1WDkvMUk2SGtZREY3dVdkdWdOUlpJdFVp?=
 =?utf-8?B?TlA4SXdEdzlIUEhja21Ib0lWdVZyWGVzVjZLb29jRS9hcThIdm1mSHFLbjJM?=
 =?utf-8?B?RGMxSmcyd3RIRThKSTdGUWpqc1YvcjA0UWQydzBNU1NPVHJZUFY0amNMemxM?=
 =?utf-8?B?Z1lXNStvYWhJeG82UWhnQkp1VlV6R2s3TzhrUXlDMmpaSFNrWTBiOUFaRXpw?=
 =?utf-8?B?S25aNU9FYXhCWDlpUnduRCsxQi90Y0tXUVAwU3JNVW5RS3Urc1JjZ0tSWkJa?=
 =?utf-8?B?QzhEeVBTRk1IcEhsR1hmdjNGMWpqQ2VxZk80RTNLNElRWlR5WlByZ3JVYUFm?=
 =?utf-8?B?aTNJQXUvc2UrUTNVWVd5RXVKdDFOM2hGZ3VESElQeHVJd3NYeWgxUGcyTWpr?=
 =?utf-8?B?ODR6STlLYnN0cjVVdFB5SFNZYk80bE1EdkhkbDhLRy96eFljNXNYWEoyUEZR?=
 =?utf-8?B?YlhCdHJaSC9VWVg0elBEclZTcW42L1Z1ZGtnUnNKbTBoNnM1TGtFd2I5WDVC?=
 =?utf-8?B?bW8vMnQ3RG5tUlFNYW56a2RPWDk2VzlOWUl4MllTeGo2TitFY3VuaGhlcDNL?=
 =?utf-8?B?Rjh2ek1IZExraVBvQTZkamtrQkpJNCtRNEI3SFFSZXpvNmhGL2htUlJZdlR1?=
 =?utf-8?B?QTVncUowSklKZ1p6M2VUcHB1cHVHb2tJQzUyU2dJSnVBVzZTTWEzeWNnRmdS?=
 =?utf-8?B?bkxLamduVUlrWjZDSUZRYnEwb3oycXl5RW43VVJOOWxFaVpDUTFTanFlZ0ZO?=
 =?utf-8?B?QWRrLys1NEVrVVRRS0x3dmhsbWd4WmlMaGkrMGpDNXRuYjV2a3JjSVdqc2FU?=
 =?utf-8?B?cGFhaGVKdDlyNE5UajNxUDNraWRWRXRqdWZvSjg2ZnZWd2lnVnB6aC9pYm8r?=
 =?utf-8?B?UGpyRmJVZXpnRWwxRmxtcjE0czNkWWhjbGVUSCtQR1FaWnNmY0JRb2prUmNq?=
 =?utf-8?B?Q1UzK2RhS0FqUnpvc2dYM0x4SnVpTkFYZ1FleXB1ZmhpQVFFSjV2THdnWWJa?=
 =?utf-8?B?azNNbDIzaXlHc0hzWDlOOGVzTVhZNU9hNkM5OEdQL3FuclhkMVhBMXZUdER0?=
 =?utf-8?B?L0xFTEYxQnpRQTFEUG5vbzBHTUZjZWVxaFhDbFJWNFdVT2lHc1FscU9HZUdI?=
 =?utf-8?B?V1E9PQ==?=
Content-Type: text/plain; charset="utf-8"
Content-ID: <46C1B9FC21DEB9418FD048AA9177B455@apcprd03.prod.outlook.com>
Content-Transfer-Encoding: base64
MIME-Version: 1.0
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-AuthSource: SEZPR03MB7947.apcprd03.prod.outlook.com
X-MS-Exchange-CrossTenant-Network-Message-Id: caf6db2f-3d74-4ba2-4529-08dbc6fced48
X-MS-Exchange-CrossTenant-originalarrivaltime: 07 Oct 2023 06:16:21.7835
 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: a7687ede-7a6b-4ef6-bace-642f677fbe31
X-MS-Exchange-CrossTenant-mailboxtype: HOSTED
X-MS-Exchange-CrossTenant-userprincipalname: 5z+UWmBNACOe/JlYZVazReMbAr6VFWjdGWz1KkjhXxvsDB9jeME1dnPTwKA3GCAM2MATlSC39tQnQ4SBJzO/Dw==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: SI2PR03MB6464
X-Spam-Status: No, score=2.7 required=5.0 tests=DKIM_SIGNED,DKIM_VALID,
	DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,
	RCVD_IN_SBL_CSS,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY autolearn=no
	autolearn_force=no version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on agentk.vger.email
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (agentk.vger.email [0.0.0.0]); Fri, 06 Oct 2023 23:17:21 -0700 (PDT)
X-Spam-Level: **
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