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Fri, 4 Dec 2020 10:10:27 +0800 Message-ID: <1607047828.4733.172.camel@mhfsdcap03> Subject: Re: [PATCH] media: i2c: fix an uninitialized error code From: Dongchun Zhu To: Arnd Bergmann CC: Mauro Carvalho Chehab , Nathan Chancellor , Nick Desaulniers , Andy Shevchenko , Sakari Ailus , Arnd Bergmann , , , , , Date: Fri, 4 Dec 2020 10:10:28 +0800 In-Reply-To: <20201203222956.1091606-1-arnd@kernel.org> References: <20201203222956.1091606-1-arnd@kernel.org> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-MTK: N Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org SGkgQXJuZCwNCg0KVGhhbmtzIGZvciB0aGUgcGF0Y2guDQoNCk9uIFRodSwgMjAyMC0xMi0wMyBh dCAyMzoyOSArMDEwMCwgQXJuZCBCZXJnbWFubiB3cm90ZToNCj4gRnJvbTogQXJuZCBCZXJnbWFu biA8YXJuZEBhcm5kYi5kZT4NCj4gDQo+IENsYW5nIHBvaW50cyBvdXQgdGhhdCB0aGUgZXJyb3Ig aGFuZGxpbmcgaW4gb3YwMmExMF9zX3N0cmVhbSgpIGlzDQo+IGJyb2tlbiwgYW5kIGp1c3QgcmV0 dXJucyBhIHJhbmRvbSBlcnJvciBjb2RlOg0KPiANCj4gZHJpdmVycy9tZWRpYS9pMmMvb3YwMmEx MC5jOjUzNzo2OiB3YXJuaW5nOiB2YXJpYWJsZSAncmV0JyBpcyB1c2VkIHVuaW5pdGlhbGl6ZWQg d2hlbmV2ZXIgJ2lmJyBjb25kaXRpb24gaXMgdHJ1ZSBbLVdzb21ldGltZXMtdW5pbml0aWFsaXpl ZF0NCj4gICAgICAgICBpZiAob3YwMmExMC0+c3RyZWFtaW5nID09IG9uKQ0KPiAgICAgICAgICAg ICBefn5+fn5+fn5+fn5+fn5+fn5+fn5+fn4NCj4gZHJpdmVycy9tZWRpYS9pMmMvb3YwMmExMC5j OjU2ODo5OiBub3RlOiB1bmluaXRpYWxpemVkIHVzZSBvY2N1cnMgaGVyZQ0KPiAgICAgICAgIHJl dHVybiByZXQ7DQo+ICAgICAgICAgICAgICAgIF5+fg0KPiBkcml2ZXJzL21lZGlhL2kyYy9vdjAy YTEwLmM6NTM3OjI6IG5vdGU6IHJlbW92ZSB0aGUgJ2lmJyBpZiBpdHMgY29uZGl0aW9uIGlzIGFs d2F5cyBmYWxzZQ0KPiAgICAgICAgIGlmIChvdjAyYTEwLT5zdHJlYW1pbmcgPT0gb24pDQo+ICAg ICAgICAgXn5+fn5+fn5+fn5+fn5+fn5+fn5+fn5+fn5+fn4NCj4gZHJpdmVycy9tZWRpYS9pMmMv b3YwMmExMC5jOjUzMzo5OiBub3RlOiBpbml0aWFsaXplIHRoZSB2YXJpYWJsZSAncmV0JyB0byBz aWxlbmNlIHRoaXMgd2FybmluZw0KPiAgICAgICAgIGludCByZXQ7DQo+IA0KPiBJIGFzc3VtZSB0 aGF0IC1FQlVTWSBpcyB0aGUgaW50ZW5kZWQgZXJyb3IgY29kZSwgc28gdXNlIHRoYXQuDQo+IA0K PiBGaXhlczogOTE4MDdlZmJlOGVjICgibWVkaWE6IGkyYzogYWRkIE9WMDJBMTAgaW1hZ2Ugc2Vu c29yIGRyaXZlciIpDQo+IFNpZ25lZC1vZmYtYnk6IEFybmQgQmVyZ21hbm4gPGFybmRAYXJuZGIu ZGU+DQo+IC0tLQ0KPiAgZHJpdmVycy9tZWRpYS9pMmMvb3YwMmExMC5jIHwgNCArKystDQo+ICAx IGZpbGUgY2hhbmdlZCwgMyBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0pDQo+IA0KPiBkaWZm IC0tZ2l0IGEvZHJpdmVycy9tZWRpYS9pMmMvb3YwMmExMC5jIGIvZHJpdmVycy9tZWRpYS9pMmMv b3YwMmExMC5jDQo+IGluZGV4IDM5MTcxODEzNmFkZS4uN2VlOWM5MDRkOWI1IDEwMDY0NA0KPiAt LS0gYS9kcml2ZXJzL21lZGlhL2kyYy9vdjAyYTEwLmMNCj4gKysrIGIvZHJpdmVycy9tZWRpYS9p MmMvb3YwMmExMC5jDQo+IEBAIC01MzQsOCArNTM0LDEwIEBAIHN0YXRpYyBpbnQgb3YwMmExMF9z X3N0cmVhbShzdHJ1Y3QgdjRsMl9zdWJkZXYgKnNkLCBpbnQgb24pDQo+ICANCj4gIAltdXRleF9s b2NrKCZvdjAyYTEwLT5tdXRleCk7DQo+ICANCj4gLQlpZiAob3YwMmExMC0+c3RyZWFtaW5nID09 IG9uKQ0KPiArCWlmIChvdjAyYTEwLT5zdHJlYW1pbmcgPT0gb24pIHsNCj4gKwkJcmV0ID0gLUVC VVNZOw0KPiAgCQlnb3RvIHVubG9ja19hbmRfcmV0dXJuOw0KPiArCX0NCj4gIA0KPiAgCWlmIChv bikgew0KPiAgCQlyZXQgPSBwbV9ydW50aW1lX2dldF9zeW5jKCZjbGllbnQtPmRldik7DQoNCk9u bHkgaWYgc2Vuc29yIGZhaWxzIHRvIHN0cmVhbSBvbiwgcmV0IGNhbiByZXR1cm4gYSBuZWdhdGl2 ZSBlcnJvciBjb2RlLg0KVGh1cyByZXQgYWJvdmUgbmVlZHMgdG8gYmUgaW5pdGlhbGl6ZWQgdG8g JzAnLg0KQWxzbyB5b3UgY291bGQgZml4IHRoZSBjbGFuZyBlcnJvciBsaWtlIHRoaXMuDQoNCnN0 YXRpYyBpbnQgb3YwMmExMF9zX3N0cmVhbShzdHJ1Y3QgdjRsMl9zdWJkZXYgKnNkLCBpbnQgb24p DQp7DQoJc3RydWN0IG92MDJhMTAgKm92MDJhMTAgPSB0b19vdjAyYTEwKHNkKTsNCgkuLi4NCglp bnQgcmV0ID0gMDsNCg0KCS4uLg0KCWlmIChvdjAyYTEwLT5zdHJlYW1pbmcgPT0gb24pDQoJCWdv dG8gdW5sb2NrX2FuZF9yZXR1cm47DQoNCgkuLi4NCn0NCg0K