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Fri, 1 Jul 2022 00:11:01 -0700 From: "Hu, Jiayu" To: Maxime Coquelin , "dev@dpdk.org" CC: "Xia, Chenbo" , "stable@dpdk.org" , David Marchand Subject: RE: [PATCH v2] vhost: fix unchecked return value Thread-Topic: [PATCH v2] vhost: fix unchecked return value Thread-Index: AQHYi5ed68hrNuuevES3hubaEEmZsq1oLYSAgADtHWA= Date: Fri, 1 Jul 2022 07:11:01 +0000 Message-ID: References: <20220623010858.951367-1-jiayu.hu@intel.com> <20220629090706.1395614-1-jiayu.hu@intel.com> <844c38da-2fcc-a612-20e3-f0422edd59e6@redhat.com> In-Reply-To: <844c38da-2fcc-a612-20e3-f0422edd59e6@redhat.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-reaction: no-action dlp-version: 11.6.500.17 dlp-product: dlpe-windows x-originating-ip: [10.239.127.36] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 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 SGkgTWF4aW1lLA0KDQo+IC0tLS0tT3JpZ2luYWwgTWVzc2FnZS0tLS0tDQo+IEZyb206IE1heGlt ZSBDb3F1ZWxpbiA8bWF4aW1lLmNvcXVlbGluQHJlZGhhdC5jb20+DQo+IFNlbnQ6IFRodXJzZGF5 LCBKdW5lIDMwLCAyMDIyIDU6NTcgUE0NCj4gVG86IEh1LCBKaWF5dSA8amlheXUuaHVAaW50ZWwu Y29tPjsgZGV2QGRwZGsub3JnDQo+IENjOiBYaWEsIENoZW5ibyA8Y2hlbmJvLnhpYUBpbnRlbC5j b20+OyBzdGFibGVAZHBkay5vcmc7IERhdmlkIE1hcmNoYW5kDQo+IDxkYXZpZC5tYXJjaGFuZEBy ZWRoYXQuY29tPg0KPiBTdWJqZWN0OiBSZTogW1BBVENIIHYyXSB2aG9zdDogZml4IHVuY2hlY2tl ZCByZXR1cm4gdmFsdWUNCj4gDQo+IA0KPiANCj4gT24gNi8yOS8yMiAxMTowNywgSmlheXUgSHUg d3JvdGU6DQo+ID4gVGhpcyBwYXRjaCBjaGVja3MgdGhlIHJldHVybiB2YWx1ZSBvZiBydGVfZG1h X2luZm9fZ2V0KCkgY2FsbGVkIGluDQo+ID4gcnRlX3Zob3N0X2FzeW5jX2RtYV9jb25maWd1cmUo KS4NCj4gPg0KPiA+IENvdmVyaXR5IGlzc3VlOiAzNzkwNjYNCj4gPiBGaXhlczogNTNkM2Y0Nzc4 YzFkICgidmhvc3Q6IGludGVncmF0ZSBkbWFkZXYgaW4gYXN5bmNocm9ub3VzDQo+ID4gZGF0YS1w YXRoIikNCj4gPiBDYzogc3RhYmxlQGRwZGsub3JnDQo+ID4NCj4gPiBTaWduZWQtb2ZmLWJ5OiBK aWF5dSBIdSA8amlheXUuaHVAaW50ZWwuY29tPg0KPiA+IFJldmlld2VkLWJ5OiBDaGVuYm8gWGlh IDxjaGVuYm8ueGlhQGludGVsLmNvbT4NCj4gPiAtLS0NCj4gPiB2MjoNCj4gPiAtIGFkZCBjYyBz dGFibGUgdGFnDQo+ID4gLS0tDQo+ID4gICBsaWIvdmhvc3Qvdmhvc3QuYyB8IDYgKysrKystDQo+ ID4gICAxIGZpbGUgY2hhbmdlZCwgNSBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0pDQo+ID4N Cj4gPiBkaWZmIC0tZ2l0IGEvbGliL3Zob3N0L3Zob3N0LmMgYi9saWIvdmhvc3Qvdmhvc3QuYyBp bmRleA0KPiA+IGIxNDUyMWU0ZDEuLjcwYzA0YzAzNmUgMTAwNjQ0DQo+ID4gLS0tIGEvbGliL3Zo b3N0L3Zob3N0LmMNCj4gPiArKysgYi9saWIvdmhvc3Qvdmhvc3QuYw0KPiA+IEBAIC0xODY4LDcg KzE4NjgsMTEgQEAgcnRlX3Zob3N0X2FzeW5jX2RtYV9jb25maWd1cmUoaW50MTZfdA0KPiBkbWFf aWQsIHVpbnQxNl90IHZjaGFuX2lkKQ0KPiA+ICAgCQlyZXR1cm4gLTE7DQo+ID4gICAJfQ0KPiA+ DQo+ID4gLQlydGVfZG1hX2luZm9fZ2V0KGRtYV9pZCwgJmluZm8pOw0KPiA+ICsJaWYgKHJ0ZV9k bWFfaW5mb19nZXQoZG1hX2lkLCAmaW5mbykgIT0gMCkgew0KPiA+ICsJCVZIT1NUX0xPR19DT05G SUcoRVJSLCAiRmFpbCB0byBnZXQgRE1BICVkDQo+IGluZm9ybWF0aW9uLlxuIiwgZG1hX2lkKTsN Cj4gPiArCQlyZXR1cm4gLTE7DQo+ID4gKwl9DQo+ID4gKw0KPiA+ICAgCWlmICh2Y2hhbl9pZCA+ PSBpbmZvLm1heF92Y2hhbnMpIHsNCj4gPiAgIAkJVkhPU1RfTE9HX0NPTkZJRyhFUlIsICJJbnZh bGlkIERNQSAlZCB2Q2hhbm5lbCAldS5cbiIsDQo+IGRtYV9pZCwgdmNoYW5faWQpOw0KPiA+ICAg CQlyZXR1cm4gLTE7DQo+IA0KPiBUaGUgcGF0Y2ggaXRzZWxmIGxvb2tzIGdvb2QsIGJ1dCBydGVf dmhvc3RfYXN5bmNfZG1hX2NvbmZpZ3VyZSgpIHNob3VsZCBiZQ0KPiBwcm90ZWN0ZWQgYnkgYSBs b2NrLCBhcyBjb25jdXJyZW50IGNhbGxzIG9mIHRoaXMgZnVuY3Rpb24gd291bGQgbGVhZCB0bw0K PiB1bmRlZmluZWQgYmVoYXZpb3IuDQoNClRoaXMgZnVuY3Rpb24gaXMgZXhwZWN0ZWQgdG8gYmUg Y2FsbGVkIG9ubHkgb25jZS4gSXMgdGhlcmUgYW55IHVzZSBjYXNlIHRvIGNhdXNlIGl0DQpjYWxs ZWQgY29uY3VycmVudGx5Pw0KDQpUaGFua3MsDQpKaWF5dQ0KPiANCj4gQ2FuIHlvdSBjb29rIHNv bWV0aGluZz8NCj4gDQo+IERhdmlkLCBpcyB0aGF0IHRoZSBpc3N1ZSB5b3UgbWVudGlvbmVkIG1l IHRoaXMgd2VlayBvciB3YXMgaXQgYW5vdGhlciBvbmU/DQo+IA0KPiBUaGFua3MsDQo+IE1heGlt ZQ0KDQo=