From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 4BC8AA0A02; Sat, 27 Mar 2021 11:06:20 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id C29CC40686; Sat, 27 Mar 2021 11:06:19 +0100 (CET) Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by mails.dpdk.org (Postfix) with ESMTP id ACBC34067B; Sat, 27 Mar 2021 11:06:17 +0100 (CET) Received: from dggeml406-hub.china.huawei.com (unknown [172.30.72.57]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4F6vZL2cRVz5jMP; Sat, 27 Mar 2021 18:04:10 +0800 (CST) Received: from dggpemm100008.china.huawei.com (7.185.36.125) by dggeml406-hub.china.huawei.com (10.3.17.50) with Microsoft SMTP Server (TLS) id 14.3.498.0; Sat, 27 Mar 2021 18:06:09 +0800 Received: from dggpemm500008.china.huawei.com (7.185.36.136) by dggpemm100008.china.huawei.com (7.185.36.125) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Sat, 27 Mar 2021 18:06:09 +0800 Received: from dggpemm500008.china.huawei.com ([7.185.36.136]) by dggpemm500008.china.huawei.com ([7.185.36.136]) with mapi id 15.01.2106.013; Sat, 27 Mar 2021 18:06:09 +0800 From: wangyunjian To: Maxime Coquelin , Marvin Liu , "chenbo.xia@intel.com" CC: "dev@dpdk.org" , "stable@dpdk.org" Thread-Topic: [dpdk-dev] [PATCH] vhost: fix accessing uninitialized variables Thread-Index: AQHXD/7sF0Agunx8RkGYPjMX5inUFqqSgU0AgAU/KBA= Date: Sat, 27 Mar 2021 10:06:09 +0000 Message-ID: References: <20210303072755.82979-1-yong.liu@intel.com> <9a853981-06f8-4ab4-f6a8-322ae8629a4b@redhat.com> In-Reply-To: <9a853981-06f8-4ab4-f6a8-322ae8629a4b@redhat.com> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.174.242.151] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected 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" PiAtLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0tLQ0KPiBGcm9tOiBkZXYgW21haWx0bzpkZXYtYm91 bmNlc0BkcGRrLm9yZ10gT24gQmVoYWxmIE9mIE1heGltZSBDb3F1ZWxpbg0KPiBTZW50OiBXZWRu ZXNkYXksIE1hcmNoIDI0LCAyMDIxIDU6NTUgUE0NCj4gVG86IE1hcnZpbiBMaXUgPHlvbmcubGl1 QGludGVsLmNvbT47IGNoZW5iby54aWFAaW50ZWwuY29tDQo+IENjOiBkZXZAZHBkay5vcmc7IHN0 YWJsZUBkcGRrLm9yZw0KPiBTdWJqZWN0OiBSZTogW2RwZGstZGV2XSBbUEFUQ0hdIHZob3N0OiBm aXggYWNjZXNzaW5nIHVuaW5pdGlhbGl6ZWQgdmFyaWFibGVzDQo+IA0KPiANCj4gDQo+IE9uIDMv My8yMSA4OjI3IEFNLCBNYXJ2aW4gTGl1IHdyb3RlOg0KPiA+IFRoaXMgcGF0Y2ggZml4cyBjb3Zl cml0eSBpc3N1ZSBieSBhZGRpbmcgaW5pdGlhbGl6YXRpb24gc3RlcCBiZWZvcmUNCj4gPiB1c2lu ZyB0ZW1wb3JhcnkgdmlydGlvIGhlYWRlci4NCj4gPg0KPiA+IENvdmVyaXR5IGlzc3VlOiAzNjYx ODEsIDM2NjEyMw0KPiA+IEZpeGVzOiBmYjM4MTVjYzYxNGQgKCJ2aG9zdDogaGFuZGxlIHZpcnR1 YWxseSBub24tY29udGlndW91cyBidWZmZXJzDQo+ID4gaW4gUngtbXJnIikNCj4gPiBDYzogc3Rh YmxlQGRwZGsub3JnDQo+ID4NCj4gPiBTaWduZWQtb2ZmLWJ5OiBNYXJ2aW4gTGl1IDx5b25nLmxp dUBpbnRlbC5jb20+DQo+ID4NCj4gPiBkaWZmIC0tZ2l0IGEvbGliL2xpYnJ0ZV92aG9zdC92aXJ0 aW9fbmV0LmMNCj4gPiBiL2xpYi9saWJydGVfdmhvc3QvdmlydGlvX25ldC5jIGluZGV4IDU4M2Jm Mzc5YzYuLmZlNDY0YjMwODggMTAwNjQ0DQo+ID4gLS0tIGEvbGliL2xpYnJ0ZV92aG9zdC92aXJ0 aW9fbmV0LmMNCj4gPiArKysgYi9saWIvbGlicnRlX3Zob3N0L3ZpcnRpb19uZXQuYw0KPiA+IEBA IC04MDgsOSArODA4LDEwIEBAIGNvcHlfbWJ1Zl90b19kZXNjKHN0cnVjdCB2aXJ0aW9fbmV0ICpk ZXYsIHN0cnVjdA0KPiA+IHZob3N0X3ZpcnRxdWV1ZSAqdnEsDQo+ID4NCj4gPiAgCWhkcl9tYnVm ID0gbTsNCj4gPiAgCWhkcl9hZGRyID0gYnVmX2FkZHI7DQo+ID4gLQlpZiAodW5saWtlbHkoYnVm X2xlbiA8IGRldi0+dmhvc3RfaGxlbikpDQo+ID4gKwlpZiAodW5saWtlbHkoYnVmX2xlbiA8IGRl di0+dmhvc3RfaGxlbikpIHsNCj4gPiArCQltZW1zZXQoJnRtcF9oZHIsIDAsIHNpemVvZihzdHJ1 Y3QgdmlydGlvX25ldF9oZHJfbXJnX3J4YnVmKSk7DQo+ID4gIAkJaGRyID0gJnRtcF9oZHI7DQo+ ID4gLQllbHNlDQo+ID4gKwl9IGVsc2UNCj4gPiAgCQloZHIgPSAoc3RydWN0IHZpcnRpb19uZXRf aGRyX21yZ19yeGJ1ZiAqKSh1aW50cHRyX3QpaGRyX2FkZHI7DQo+ID4NCj4gPiAgCVZIT1NUX0xP R19EQVRBKERFQlVHLCAiKCVkKSBSWDogbnVtIG1lcmdlIGJ1ZmZlcnMgJWRcbiIsDQo+ID4NCg0K SSB0aGluayBpdCdzIGJldHRlciB0byByZXZpc2UgaXQgaW4gdGhpcyB3YXk6DQoNCmRpZmYgLS1n aXQgYS9saWIvbGlicnRlX3Zob3N0L3ZpcnRpb19uZXQuYyBiL2xpYi9saWJydGVfdmhvc3Qvdmly dGlvX25ldC5jDQppbmRleCA1ODNiZjM3Li5jY2I3M2I5IDEwMDY0NA0KLS0tIGEvbGliL2xpYnJ0 ZV92aG9zdC92aXJ0aW9fbmV0LmMNCisrKyBiL2xpYi9saWJydGVfdmhvc3QvdmlydGlvX25ldC5j DQpAQCAtNDIwLDYgKzQyMCw4IEBADQogICAgICAgICAgICAgICAgICAgICAgICBuZXRfaGRyLT5j c3VtX29mZnNldCA9IChvZmZzZXRvZihzdHJ1Y3QgcnRlX3NjdHBfaGRyLA0KICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgY2tzdW0pKTsNCiAgICAgICAgICAg ICAgICAgICAgICAgIGJyZWFrOw0KKyAgICAgICAgICAgICAgIGRlZmF1bHQ6DQorICAgICAgICAg ICAgICAgICAgICAgICBBU1NJR05fVU5MRVNTX0VRVUFMKG5ldF9oZHItPmNzdW1fb2Zmc2V0LCAw KTsNCiAgICAgICAgICAgICAgICB9DQoNCj4gDQo+IFJldmlld2VkLWJ5OiBNYXhpbWUgQ29xdWVs aW4gPG1heGltZS5jb3F1ZWxpbkByZWRoYXQuY29tPg0KPiANCj4gVGhhbmtzLA0KPiBNYXhpbWUN Cg0K