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Tue, 12 Feb 2019 16:28:22 +0100 From: Gabriel FERNANDEZ To: Michael Turquette , Stephen Boyd , Maxime Coquelin , "Alexandre TORGUE" CC: "linux-clk@vger.kernel.org" , "linux-stm32@st-md-mailman.stormreply.com" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] Input: st-keyscan - fix potential zalloc NULL dereference Thread-Topic: [PATCH] Input: st-keyscan - fix potential zalloc NULL dereference Thread-Index: AQHUwucSbnUyh3E18kKgOKwxl5Aux6XcOJsA Date: Tue, 12 Feb 2019 15:28:22 +0000 Message-ID: References: <20190212152429.1936-1-gabriel.fernandez@st.com> In-Reply-To: <20190212152429.1936-1-gabriel.fernandez@st.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.75.127.51] Content-Type: text/plain; charset="utf-8" Content-ID: <07234B400B9A124689DEB41218527AA9@st.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-02-12_08:,, signatures=0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org U29ycnkgaWdub3JlIHRoaXMgcGF0Y2ggKGJhZCBtYWlsaW5nIGxpc3QpDQoNCkJlc3QgUmVnYXJk DQoNCkdhYnJpZWwNCg0KT24gMi8xMi8xOSA0OjI0IFBNLCBnYWJyaWVsLmZlcm5hbmRlekBzdC5j b20gd3JvdGU6DQo+IEZyb206IEdhYnJpZWwgRmVybmFuZGV6IDxnYWJyaWVsLmZlcm5hbmRlekBz dC5jb20+DQo+DQo+IFRoaXMgcGF0Y2ggZml4ZXMgdGhlIGZvbGxvd2luZyBzdGF0aWMgY2hlY2tl ciB3YXJuaW5nOg0KPg0KPiBkcml2ZXJzL2lucHV0L2tleWJvYXJkL3N0LWtleXNjYW4uYzoxNTYg a2V5c2Nhbl9wcm9iZSgpDQo+IGVycm9yOiBwb3RlbnRpYWwgemFsbG9jIE5VTEwgZGVyZWZlcmVu Y2U6ICdrZXlwYWRfZGF0YS0+aW5wdXRfZGV2Jw0KPg0KPiBSZXBvcnRlZC1ieTogRGFuIENhcnBl bnRlciA8ZGFuLmNhcnBlbnRlckBvcmFjbGUuY29tPg0KPiBTaWduZWQtb2ZmLWJ5OiBHYWJyaWVs IEZlcm5hbmRleiA8Z2FicmllbC5mZXJuYW5kZXpAc3QuY29tPg0KPiAtLS0NCj4gICBkcml2ZXJz L2lucHV0L2tleWJvYXJkL3N0LWtleXNjYW4uYyB8IDQgKystLQ0KPiAgIDEgZmlsZSBjaGFuZ2Vk LCAyIGluc2VydGlvbnMoKyksIDIgZGVsZXRpb25zKC0pDQo+DQo+IGRpZmYgLS1naXQgYS9kcml2 ZXJzL2lucHV0L2tleWJvYXJkL3N0LWtleXNjYW4uYyBiL2RyaXZlcnMvaW5wdXQva2V5Ym9hcmQv c3Qta2V5c2Nhbi5jDQo+IGluZGV4IGJhYmNmYjE2NWU0Zi4uM2I4NTYzMWZkZTkxIDEwMDY0NA0K PiAtLS0gYS9kcml2ZXJzL2lucHV0L2tleWJvYXJkL3N0LWtleXNjYW4uYw0KPiArKysgYi9kcml2 ZXJzL2lucHV0L2tleWJvYXJkL3N0LWtleXNjYW4uYw0KPiBAQCAtMTUzLDYgKzE1Myw4IEBAIHN0 YXRpYyBpbnQga2V5c2Nhbl9wcm9iZShzdHJ1Y3QgcGxhdGZvcm1fZGV2aWNlICpwZGV2KQ0KPiAg IA0KPiAgIAlpbnB1dF9kZXYtPmlkLmJ1c3R5cGUgPSBCVVNfSE9TVDsNCj4gICANCj4gKwlrZXlw YWRfZGF0YS0+aW5wdXRfZGV2ID0gaW5wdXRfZGV2Ow0KPiArDQo+ICAgCWVycm9yID0ga2V5cGFk X21hdHJpeF9rZXlfcGFyc2VfZHQoa2V5cGFkX2RhdGEpOw0KPiAgIAlpZiAoZXJyb3IpDQo+ICAg CQlyZXR1cm4gZXJyb3I7DQo+IEBAIC0xNjgsOCArMTcwLDYgQEAgc3RhdGljIGludCBrZXlzY2Fu X3Byb2JlKHN0cnVjdCBwbGF0Zm9ybV9kZXZpY2UgKnBkZXYpDQo+ICAgDQo+ICAgCWlucHV0X3Nl dF9kcnZkYXRhKGlucHV0X2Rldiwga2V5cGFkX2RhdGEpOw0KPiAgIA0KPiAtCWtleXBhZF9kYXRh LT5pbnB1dF9kZXYgPSBpbnB1dF9kZXY7DQo+IC0NCj4gICAJcmVzID0gcGxhdGZvcm1fZ2V0X3Jl c291cmNlKHBkZXYsIElPUkVTT1VSQ0VfTUVNLCAwKTsNCj4gICAJa2V5cGFkX2RhdGEtPmJhc2Ug PSBkZXZtX2lvcmVtYXBfcmVzb3VyY2UoJnBkZXYtPmRldiwgcmVzKTsNCj4gICAJaWYgKElTX0VS UihrZXlwYWRfZGF0YS0+YmFzZSkp