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:   "Usyskin, Alexander" <alexander.usyskin@intel.com>
To:     Miquel Raynal <miquel.raynal@bootlin.com>
CC:     Fabrizio Castro <fabrizio.castro.jz@renesas.com>,
        Richard Weinberger <richard@nod.at>,
        Vignesh Raghavendra <vigneshr@ti.com>,
        "linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "Winkler, Tomas" <tomas.winkler@intel.com>,
        "Lubart, Vitaly" <vitaly.lubart@intel.com>,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Geert Uytterhoeven <geert+renesas@glider.be>,
        Biju Das <biju.das.jz@bp.renesas.com>,
        "linux-renesas-soc@vger.kernel.org" 
        <linux-renesas-soc@vger.kernel.org>,
        Chris Paterson <Chris.Paterson2@renesas.com>
Subject: RE: [PATCH 1/2] mtd: use refcount to prevent corruption
Thread-Topic: [PATCH 1/2] mtd: use refcount to prevent corruption
Thread-Index: AQHZo3n2ZB8U6WhTx0+aElx0ckVEpq+5lImAgAGKEwCAAPTUYIAAe3sAgAxtDQA=
Date:   Mon, 24 Jul 2023 11:43:59 +0000
Message-ID: <CY5PR11MB6366C254F767B6C432C98A0CED02A@CY5PR11MB6366.namprd11.prod.outlook.com>
References: <20230620131905.648089-1-alexander.usyskin@intel.com>
        <20230620131905.648089-2-alexander.usyskin@intel.com>
        <TYWPR01MB87756794A30EB389AB017EB1C234A@TYWPR01MB8775.jpnprd01.prod.outlook.com>
        <20230715174112.3909e43f@xps-13>
        <CY5PR11MB63666C8DA33C93E1DC3BCB21ED3AA@CY5PR11MB6366.namprd11.prod.outlook.com>
 <20230716153926.5e975231@xps-13>
In-Reply-To: <20230716153926.5e975231@xps-13>
Accept-Language: en-US
Content-Language: en-US
x-ms-exchange-antispam-messagedata-chunkcount: 1
x-ms-exchange-antispam-messagedata-0: =?utf-8?B?TzUzT2ZkQ0dKVFFJc01nYUlsc3RJemxFdDF2ZmRuOTh5dTlkY3k0K2w1Rmp3?=
 =?utf-8?B?K2lDZGtyZXl0Y0trdW1OZnZ2VGJORldyNXFVbnpQWXVWdFExWUp5aFB3MjNi?=
 =?utf-8?B?K2hhdmtNOURMZStJdEFsZHBORytLVDdGZjlzQStKaTBSeGdzcHNqaVJNR1Vk?=
 =?utf-8?B?L0FWelVKYkxBa2xtczQ0clM3dGxVQUkrVmRnVUluVExYcGg3UEJDRXJJNDBC?=
 =?utf-8?B?QTE3RDlxcDNGK25ZWWhwdFcrR2ZtZHhQSjJEVWllYVpqUHYwTmFOMWllcTMr?=
 =?utf-8?B?N2ZWYjdkQTFjMGpwVkIzUDlWSTZCU3Z1NklOczZ4V2lHKzJOZFZ3ODNPcE8v?=
 =?utf-8?B?cWtId21vTUxrM3Z6VDRmSmJxRHN1TVFVOFoxVm14czJWdVcyTFhMM1c3TjRj?=
 =?utf-8?B?YUU2bEpNM0xva2NTbHpKV2R0YzUvbWpXYlpIOWxCWitrRklVV0IvelU4ZjdG?=
 =?utf-8?B?ZTZtZ1FRRktSU0g2cnBicFRvOUJTaUZrNTd0Q0xLOWUzdC9SN2w2RkdZVm5J?=
 =?utf-8?B?Y0VIamVjWWVyYjdrSHhyZTk1c0JSazJNUnJ0NXk3Q0NWTXdWMU9xNFJnSlY1?=
 =?utf-8?B?LzJMU1JnRElaeU5HOEhqV3diU0lSblAybGlBVDF6ak12Z0tKeFNMUkw3R21R?=
 =?utf-8?B?ZVRrQTM2c3RHRGE0OHpsS1ZUQjdNaE9hbS9ZaFJEMXg5MGVyejdmUzRrajdm?=
 =?utf-8?B?R3QvNzdrK1JLREYzcjNMY1NTNGtCSm9ObFRlcEdTKzlUMytqdHNtWkVnUGcv?=
 =?utf-8?B?NkhMVzZHS1AyWDUxK0xIeW1ZVTA1Unc2QXlmUVJpN00zYlkrVXJWOTVRQmZ6?=
 =?utf-8?B?dGRJak9DblltZlRMeEpyUGdpWThIYlRqbzhjM3JRanNwRGVwcXhFRTdBeHhC?=
 =?utf-8?B?eWdWQXpDMlhBY0JVaEphUVM4TnNhS3dXbnVQb0cyTnlsUVhTeUwzbWJadnNK?=
 =?utf-8?B?OStHek16MVRFajVBV0NvUHJzT3NpbnU4TUZ1TVA4bnBOZ0x6dHNtOUJPS1B6?=
 =?utf-8?B?R3ZtMGpFRG5PMTZsa25ONStHT1g3S1FhV2hEaWVYek1pbTg2UWpjdWhUdEVR?=
 =?utf-8?B?b3dlSVk3QTVlSlpMRXBiUmNKa0pvakdhbEFwbStNeCtFSlo4WDJieUtzU0FW?=
 =?utf-8?B?aFZFSCtUbXNKenZjUkhpZUFXQllwVm82MkE1djJEcStDL1EycW5xaDM4bmlV?=
 =?utf-8?B?VmlVM0o4b0pNVnJOSGJrdmMxYlJWRDIvdno2RjNrVFJVLysvOGVHRXhIendu?=
 =?utf-8?B?SFpQZ2lVT1RNejJ6czJNQ2paRndOTk5XcGU5RTRUWTEzNE85SXUzczBMR2R0?=
 =?utf-8?B?a1dkN3htSEFDZitOZCtaWXR5V1NFSmthbVBRcWJqNmNsMHFOOTBycUJyYk1B?=
 =?utf-8?B?SzBoc3ZZYUFaOUdPbmJpNDVEZlNkdnJVYlFONWJtVmJaM3VIMGhxQnhSSDRq?=
 =?utf-8?B?RzVaSjBkNkh0WGVlTjJvdHRHRWRHTk9RdTFyNEE0Mkt3a2ozTUJVTnhMNERN?=
 =?utf-8?B?eTlVSnArWEpkVGxVdDEzZXZQUjRXVU11amlrOUZCK1hGZThUSXEwNytjNFNu?=
 =?utf-8?B?VDR0ampIazRvMzhyS3lIYzNBWkc0elNyOWpoWVZmOGg5L1NIT3dHeTA0Umc0?=
 =?utf-8?B?UjgxWElBWnRvQjFPUTc0YXZyNmVmYmROVGphOWROOHhuUE9hSTQrK1RIVHlD?=
 =?utf-8?B?SFBqVFNHWUZpOVlmNjJSaXVUUmpKd09QM041TUh0cGNoNTBOS2Q4YlhoVlZl?=
 =?utf-8?B?WlZRVW5Od1pUem9WWlBIb25iYkdwRWFCcXpxRFcxNXhLam9vekF3aUtnR3BT?=
 =?utf-8?B?VWpaMG5qU3V2N3NIZkFTQU1KNElHNVZPd3hiNThzOWJ4eXlqOHhJUXNmWi9m?=
 =?utf-8?B?MEhkc003NHFkZEVibzNveEplK3RpOGlsRnVCaXdVYlhFUTF6bkkwQkVvTW8z?=
 =?utf-8?B?WXBRM2NtVEFLSFRFL1Z2QlprSDRPckluRHltUlF3TTVuNW1qYThaUmUrTk8y?=
 =?utf-8?B?aGNpWGhabkVlNHExZG5uNG91eWMrZ2tyU096QmxPSHBtWk1FWVZpMHJMQlRt?=
 =?utf-8?B?dm5UYTJRUFhuMVlGR3NZaWpRenpNckEyNmZ5TE4wSWNUMTlpeWRlamdaQ21z?=
 =?utf-8?B?YVIxRzlJMVdjaEdaZlJOdzkweGRFbDFvWEpKWlBIT1JKS09taEY2VFhlZngy?=
 =?utf-8?B?OUE9PQ==?=
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
MIME-Version: 1.0
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-AuthSource: CY5PR11MB6366.namprd11.prod.outlook.com
X-MS-Exchange-CrossTenant-Network-Message-Id: cdbd7ae9-3fd8-45de-3a31-08db8c3b456c
X-MS-Exchange-CrossTenant-originalarrivaltime: 24 Jul 2023 11:43:59.8502
 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d
X-MS-Exchange-CrossTenant-mailboxtype: HOSTED
X-MS-Exchange-CrossTenant-userprincipalname: kqjeyBJfanqD4jZS3XwLs/O+VAMTUUFeG86N6SnmR6feF3SOsjPFNLl67OlYkgelSZtasZKndVx6ntQVpaUyFef/aKQztwcMARXex1iF6eM=
X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN7PR11MB6972
X-OriginatorOrg: intel.com
X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,
        DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,
        SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE 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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