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Tue, 6 Apr 2021 06:17:47 +0000 From: "Xia, Chenbo" To: "Liu, Yong" , "maxime.coquelin@redhat.com" CC: "dev@dpdk.org" , "stable@dpdk.org" Thread-Topic: [PATCH] vhost: fix accessing uninitialized variables Thread-Index: AQHXD/7iTocCQwnCi0WO8yv51wWuYaqnOI1Q Date: Tue, 6 Apr 2021 06:17:47 +0000 Message-ID: References: <20210303072755.82979-1-yong.liu@intel.com> In-Reply-To: <20210303072755.82979-1-yong.liu@intel.com> Accept-Language: en-US, zh-CN Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: intel.com; dkim=none (message not signed) header.d=none;intel.com; dmarc=none action=none header.from=intel.com; x-originating-ip: [192.102.204.51] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 228c531d-fd17-43b5-97ea-08d8f8c3b315 x-ms-traffictypediagnostic: MN2PR11MB4725: x-ld-processed: 46c98d88-e344-4ed4-8496-4ed7712e255d,ExtAddr x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:3276; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; 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charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: MN2PR11MB4063.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 228c531d-fd17-43b5-97ea-08d8f8c3b315 X-MS-Exchange-CrossTenant-originalarrivaltime: 06 Apr 2021 06:17:47.8583 (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: 6cMOxlUYPhyxG6lB5I1cURkP88oR2y5HgjISRjhfxilFXR+/2drjc5rAXzxiV+mKZ/8sycyH00Z54aHhgpr03g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR11MB4725 X-OriginatorOrg: intel.com Subject: Re: [dpdk-dev] [PATCH] vhost: fix accessing uninitialized variables X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" SGkgTWFydmluLA0KDQo+IC0tLS0tT3JpZ2luYWwgTWVzc2FnZS0tLS0tDQo+IEZyb206IExpdSwg WW9uZyA8eW9uZy5saXVAaW50ZWwuY29tPg0KPiBTZW50OiBXZWRuZXNkYXksIE1hcmNoIDMsIDIw MjEgMzoyOCBQTQ0KPiBUbzogbWF4aW1lLmNvcXVlbGluQHJlZGhhdC5jb207IFhpYSwgQ2hlbmJv IDxjaGVuYm8ueGlhQGludGVsLmNvbT4NCj4gQ2M6IGRldkBkcGRrLm9yZzsgTGl1LCBZb25nIDx5 b25nLmxpdUBpbnRlbC5jb20+OyBzdGFibGVAZHBkay5vcmcNCj4gU3ViamVjdDogW1BBVENIXSB2 aG9zdDogZml4IGFjY2Vzc2luZyB1bmluaXRpYWxpemVkIHZhcmlhYmxlcw0KPiANCj4gVGhpcyBw YXRjaCBmaXhzIGNvdmVyaXR5IGlzc3VlIGJ5IGFkZGluZyBpbml0aWFsaXphdGlvbiBzdGVwIGJl Zm9yZQ0KPiB1c2luZyB0ZW1wb3JhcnkgdmlydGlvIGhlYWRlci4NCj4gDQo+IENvdmVyaXR5IGlz c3VlOiAzNjYxODEsIDM2NjEyMw0KPiBGaXhlczogZmIzODE1Y2M2MTRkICgidmhvc3Q6IGhhbmRs ZSB2aXJ0dWFsbHkgbm9uLWNvbnRpZ3VvdXMgYnVmZmVycyBpbiBSeC0NCj4gbXJnIikNCj4gQ2M6 IHN0YWJsZUBkcGRrLm9yZw0KPiANCj4gU2lnbmVkLW9mZi1ieTogTWFydmluIExpdSA8eW9uZy5s aXVAaW50ZWwuY29tPg0KPiANCj4gZGlmZiAtLWdpdCBhL2xpYi9saWJydGVfdmhvc3QvdmlydGlv X25ldC5jIGIvbGliL2xpYnJ0ZV92aG9zdC92aXJ0aW9fbmV0LmMNCj4gaW5kZXggNTgzYmYzNzlj Ni4uZmU0NjRiMzA4OCAxMDA2NDQNCj4gLS0tIGEvbGliL2xpYnJ0ZV92aG9zdC92aXJ0aW9fbmV0 LmMNCj4gKysrIGIvbGliL2xpYnJ0ZV92aG9zdC92aXJ0aW9fbmV0LmMNCj4gQEAgLTgwOCw5ICs4 MDgsMTAgQEAgY29weV9tYnVmX3RvX2Rlc2Moc3RydWN0IHZpcnRpb19uZXQgKmRldiwgc3RydWN0 DQo+IHZob3N0X3ZpcnRxdWV1ZSAqdnEsDQoNCllvdSBzaG91bGQgYXBwbHkgdGhlIHNhbWUgZml4 IHRvIGFzeW5jX21idWZfdG9fZGVzYy4NCk1heWJlIHlvdSBkaWQgbm90IG5vdGljZTogb25lIGNv dmVyaXR5IGlzc3VlIGlzIGluIGNvcHlfbWJ1Zl90b19kZXNjLCBidXQgYW5vdGhlcg0KaW4gYXN5 bmNfbWJ1Zl90b19kZXNjIDopDQoNClRoYW5rcywNCkNoZW5ibw0KDQo+IA0KPiAgCWhkcl9tYnVm ID0gbTsNCj4gIAloZHJfYWRkciA9IGJ1Zl9hZGRyOw0KPiAtCWlmICh1bmxpa2VseShidWZfbGVu IDwgZGV2LT52aG9zdF9obGVuKSkNCj4gKwlpZiAodW5saWtlbHkoYnVmX2xlbiA8IGRldi0+dmhv c3RfaGxlbikpIHsNCj4gKwkJbWVtc2V0KCZ0bXBfaGRyLCAwLCBzaXplb2Yoc3RydWN0IHZpcnRp b19uZXRfaGRyX21yZ19yeGJ1ZikpOw0KPiAgCQloZHIgPSAmdG1wX2hkcjsNCj4gLQllbHNlDQo+ ICsJfSBlbHNlDQo+ICAJCWhkciA9IChzdHJ1Y3QgdmlydGlvX25ldF9oZHJfbXJnX3J4YnVmICop KHVpbnRwdHJfdCloZHJfYWRkcjsNCj4gDQo+ICAJVkhPU1RfTE9HX0RBVEEoREVCVUcsICIoJWQp IFJYOiBudW0gbWVyZ2UgYnVmZmVycyAlZFxuIiwNCj4gLS0NCj4gMi4xNy4xDQoNCg==