Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   "Yuezhang.Mo@sony.com" <Yuezhang.Mo@sony.com>
To:     "linkinjeon@kernel.org" <linkinjeon@kernel.org>,
        "sj1557.seo@samsung.com" <sj1557.seo@samsung.com>
CC:     "linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "Andy.Wu@sony.com" <Andy.Wu@sony.com>,
        "Wataru.Aoyama@sony.com" <Wataru.Aoyama@sony.com>
Subject: [PATCH v1] exfat: fix reporting fs error when reading dir beyond EOF
Thread-Topic: [PATCH v1] exfat: fix reporting fs error when reading dir beyond
 EOF
Thread-Index: AdkY+qIINYyntsrGSEaOLoPl+jzKaQ==
Date:   Mon, 26 Dec 2022 07:23:29 +0000
Message-ID: <PUZPR04MB6316579893496BC54C4FE96F81EC9@PUZPR04MB6316.apcprd04.prod.outlook.com>
Accept-Language: zh-CN, en-US
Content-Language: zh-CN
x-ms-exchange-antispam-messagedata-chunkcount: 1
x-ms-exchange-antispam-messagedata-0: =?utf-8?B?N3NRbUI1a0dEVEhMSllLL2o2NmdUMnUvQVVUTEtuSEVoWXk2VkUybWxXSVZ3?=
 =?utf-8?B?RWlHS0E5enUzWlF2dTNXNjBFZTVoS0FoMXZSTFdDODVEaFdSdU5oNWRXMHBI?=
 =?utf-8?B?SEs0WWRLQS9xZmhhL1FsSUlEUkNxYzFsUCtxUWg3bXkraUtaZXY5M0o3UEc2?=
 =?utf-8?B?VTRZZkY0dTJ0MzQ3MTM2dWtmbHVkbzJXck5lYWsvLysxa1NPV1d2aVVFUFc2?=
 =?utf-8?B?RTFVY1A1OEViUVRrR3hKS3RsVHBPMVJwZ3lXYTkzM0NFQlVXTitaWlFnbTdP?=
 =?utf-8?B?MTZacDZ3U2paVWNtbU1vK0dsQkhoeHA2TTFBUnY2QlhYM0VvL0xFVHhYb1My?=
 =?utf-8?B?UTVQM1l6SXdtcFh6TXJOdTBOMERSUkdZRFlzb2c1aGp1WnFEcSt4N3RqWDZl?=
 =?utf-8?B?OG1zeUtyQjlmM3l3Z1dOT0lCSWJRcWg0OTIzVU5XWFRYbFVPbDFGTUJjWkhW?=
 =?utf-8?B?TEJidXNPZlE3cUdoTnRCY21uV0VrQjhaSU1sT3M4VnFrZFVSWEV6eEY2eEVW?=
 =?utf-8?B?VjZ0L2JYOCtwaE5BV0JsNC9vSHg1N3lJTWVhTkw3aFdudW1RbjQ5QnhPUFIy?=
 =?utf-8?B?aHVtdVA2QzluOGRGWlRFVExlWWZsbHNNMWZSYUpvZTRUb1d6ZUN6Z2VZbGI2?=
 =?utf-8?B?MkZoQlB3elp0RGJQbzFYS05VRWZhZm0xbStaK3UzSlI0SncyTEMzS3Azb0E3?=
 =?utf-8?B?cFIyQWdoa2FxN3RCMUkyK2F1aHBwY01kNnpHSjhDYTRxeGl3Y2cxMDBEai9q?=
 =?utf-8?B?RGdpZm1DUnFXS1Z1dHFDNjY3ZDRuN2V0Q2VZUkRyNXNsemMyOW11b2JWOC9v?=
 =?utf-8?B?NWNyNmtyU01oamJmVVZrakRwaGxvT28xTGNoMWlVamFhOE1VeVpLaXJiZElL?=
 =?utf-8?B?ZmFIQXJteFFsOGpFT0FrM0VCZXVBdDFvWmpXWjlNekVKYlJ6L29BeVBxZ3hN?=
 =?utf-8?B?OHBmTUFCclBxWWlhUlMxU2pnemtiSkppbFB5aUhyMmdxd0RpdlQ1ZGFTQ2t5?=
 =?utf-8?B?bktjRUlCa2NqNVdCdXpMVW1pNzBpK0F1VlZJV0pLdEdjZHJqMXBEdTk0YmFU?=
 =?utf-8?B?YVdrU084YjNCdUhWVXJVK3ZXVTJrSlNJNXJmWjBYQ1hZN0pmVmZyckRmanZs?=
 =?utf-8?B?bmhnTkQyMC90KzMrMXpQUHBwU3FSL1oyVEJHK1ZsY3pqM1Y1dWJySHo3bndx?=
 =?utf-8?B?YjIrMlVVcTZOaGE0VVJaVElDWFI2VHFHZnI1MnkvNUFFMThWbWlYRWZBejFY?=
 =?utf-8?B?cThSZzdhckppS2RaKzJVa3FIeWQ2MS93TFV2bXlkUzBvSWt6c0N4SkwwSGhC?=
 =?utf-8?B?OEdubTd4cFR0K0FSTStyRENzd3ZCSlBtSDhaYWV4SG0yZFpUOVpZNHpSWEh0?=
 =?utf-8?B?aU1OVHZXc3lUNmJkU0h1eTNiVTlhUzN3ZVNjTFRZVVltZEY4SXVXREVhY1hy?=
 =?utf-8?B?ek5RZml0RUszWjM0SGZuUXZUdDFWdk1jSDlyT1NzVEVGQUx0TDM4UFJZOG01?=
 =?utf-8?B?RlJDcWxONVFUeUM4TDgvZ3cybE12SkJFRmlLa1M3dVp5bVJYSDYyZUQvYkxY?=
 =?utf-8?B?cWhBT3pmTVA1R09zbGFGZzJIek1yZERLZzBGNzd0UHBRZXMrSzk0QkNDVUlM?=
 =?utf-8?B?ejN6aXVFUno5Z3h2SjgwSmRBNE1IeXN2dVI0bHhWdm00RFhZdTVWb21lWUs3?=
 =?utf-8?B?NE9LOEdmMlp0NlBONjQwbEFsandSMlRvdm15cEViT01vUkJ2UGJ1Q2RXT0hV?=
 =?utf-8?B?NDBBeGwvSUNUQk9PdFJyQVZWcGJoTExMQlBvZVRIUE1FdHZHNkM0ZGI0UC8w?=
 =?utf-8?B?ZVRUa2RqQVVleEJlVGE4d0RibEs3Tk9lcnNhL0s1cXMwS3F6MldWOFlSM0ho?=
 =?utf-8?B?M3RNR3NBakJURyt3SVVFMkIxNmRrOG1FVkNjQzMwRU1PWUxsNk9kYWJxQWFz?=
 =?utf-8?B?RkFVUzBrQk52QXNGY1hUWjkxT3NOVEpFL0pJNW5zRHdmNWFLWHJETzlWdFFo?=
 =?utf-8?B?NXdtcU5SR1I0Mm1UTjB3Q3dtdndJKzF2d2hnRzQxNUFTMGZheTJabGJKb3l1?=
 =?utf-8?B?NnFCK3BzeXZKRTNZdlpVbC9sS0l0UENGUzR5QW9idTFWcmdKRE1ORzBPQWJB?=
 =?utf-8?Q?e25jcXswXI6RHEd3Ew+YGG+eH?=
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
MIME-Version: 1.0
X-OriginatorOrg: sony.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-AuthSource: PUZPR04MB6316.apcprd04.prod.outlook.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 4810ee06-88a2-483c-4b9f-08dae712168f
X-MS-Exchange-CrossTenant-originalarrivaltime: 26 Dec 2022 07:23:29.9795
 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: 66c65d8a-9158-4521-a2d8-664963db48e4
X-MS-Exchange-CrossTenant-mailboxtype: HOSTED
X-MS-Exchange-CrossTenant-userprincipalname: QYHAdsOLU+PXIlpFAy8Eu63j/fqlqinNLKQDqOHdp2kD0Uarzgg4bWVAW5EM/vzbxABQnYE/8U4QPQwY+N+evg==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: SI2PR04MB4377
X-Proofpoint-GUID: 2cg_ezbUyyPGJzji1hXjefePGWWgXQSE
X-Proofpoint-ORIG-GUID: 2cg_ezbUyyPGJzji1hXjefePGWWgXQSE
X-Sony-Outbound-GUID: 2cg_ezbUyyPGJzji1hXjefePGWWgXQSE
X-Proofpoint-Virus-Version: vendor=baseguard
 engine=ICAP:2.0.205,Aquarius:18.0.923,Hydra:6.0.545,FMLib:17.11.122.1
 definitions=2022-12-26_04,2022-12-23_01,2022-06-22_01
X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,
        DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW,
        SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on
        lindbergh.monkeyblade.net
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
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=