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Thu, 17 Feb 2022 19:47:29 -0800 Received: from orsmsx611.amr.corp.intel.com (10.22.229.24) by ORSMSX610.amr.corp.intel.com (10.22.229.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Thu, 17 Feb 2022 19:47:29 -0800 Received: from orsmsx611.amr.corp.intel.com ([10.22.229.24]) by ORSMSX611.amr.corp.intel.com ([10.22.229.24]) with mapi id 15.01.2308.020; Thu, 17 Feb 2022 19:47:29 -0800 From: "Kasireddy, Vivek" To: Tvrtko Ursulin , "intel-gfx@lists.freedesktop.org" , "dri-devel@lists.freedesktop.org" Thread-Topic: [PATCH v2 1/3] drm/mm: Ensure that the entry is not NULL before extracting rb_node Thread-Index: AQHYI9VMExFJl786wU2zrhC9c+UoXayX+nyAgACOyLA= Date: Fri, 18 Feb 2022 03:47:29 +0000 Message-ID: <20f0acb8260a4f18aeadbcc73847e06f@intel.com> References: <20220217075014.922605-1-vivek.kasireddy@intel.com> <20220217075014.922605-2-vivek.kasireddy@intel.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-product: dlpe-windows dlp-version: 11.6.200.16 dlp-reaction: no-action x-originating-ip: [10.1.200.100] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Subject: Re: [Intel-gfx] [PATCH v2 1/3] drm/mm: Ensure that the entry is not NULL before extracting rb_node X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?utf-8?B?Q2hyaXN0aWFuIEvDtm5pZw==?= Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" SGkgVHZydGtvLA0KDQo+IA0KPiBPbiAxNy8wMi8yMDIyIDA3OjUwLCBWaXZlayBLYXNpcmVkZHkg d3JvdGU6DQo+ID4gV2hpbGUgbG9va2luZyBmb3IgbmV4dCBob2xlcyBzdWl0YWJsZSBmb3IgYW4g YWxsb2NhdGlvbiwgYWx0aG91Z2gsDQo+ID4gaXQgaXMgaGlnaGx5IHVubGlrZWx5LCBtYWtlIHN1 cmUgdGhhdCB0aGUgREVDTEFSRV9ORVhUX0hPTEVfQUREUg0KPiA+IG1hY3JvIGlzIHVzaW5nIGEg dmFsaWQgbm9kZSBiZWZvcmUgaXQgZXh0cmFjdHMgdGhlIHJiX25vZGUgZnJvbSBpdC4NCj4gDQo+ IFdhcyB0aGUgbmVlZCBmb3IgdGhpcyBqdXN0IGEgY29uc2VxdWVuY2Ugb2YgaW5zdWZmaWNpZW50 IGxvY2tpbmcgaW4gdGhlDQo+IGk5MTUgcGF0Y2g/DQpbS2FzaXJlZGR5LCBWaXZla10gUGFydGx5 LCB5ZXM7IGJ1dCBJIGZpZ3VyZWQgc2luY2Ugd2UgYXJlIGFueXdheSBkb2luZw0KaWYgKCFlbnRy eSB8fCAuLiksIGl0IG1ha2VzIHNlbnNlIHRvIGRlcmVmZXJlbmNlIGVudHJ5IGFuZCBleHRyYWN0 IHRoZSByYl9ub2RlDQphZnRlciB0aGlzIGNoZWNrLg0KDQpUaGFua3MsDQpWaXZlaw0KDQo+IA0K PiBSZWdhcmRzLA0KPiANCj4gVHZydGtvDQo+IA0KPiA+DQo+ID4gQ2M6IFR2cnRrbyBVcnN1bGlu IDx0dnJ0a28udXJzdWxpbkBsaW51eC5pbnRlbC5jb20+DQo+ID4gQ2M6IENocmlzdGlhbiBLw7Zu aWcgPGNocmlzdGlhbi5rb2VuaWdAYW1kLmNvbT4NCj4gPiBTaWduZWQtb2ZmLWJ5OiBWaXZlayBL YXNpcmVkZHkgPHZpdmVrLmthc2lyZWRkeUBpbnRlbC5jb20+DQo+ID4gLS0tDQo+ID4gICBkcml2 ZXJzL2dwdS9kcm0vZHJtX21tLmMgfCA1ICsrKy0tDQo+ID4gICAxIGZpbGUgY2hhbmdlZCwgMyBp bnNlcnRpb25zKCspLCAyIGRlbGV0aW9ucygtKQ0KPiA+DQo+ID4gZGlmZiAtLWdpdCBhL2RyaXZl cnMvZ3B1L2RybS9kcm1fbW0uYyBiL2RyaXZlcnMvZ3B1L2RybS9kcm1fbW0uYw0KPiA+IGluZGV4 IDgyNTdmOWQ0ZjYxOS4uNDk5ZDg4NzRlNGVkIDEwMDY0NA0KPiA+IC0tLSBhL2RyaXZlcnMvZ3B1 L2RybS9kcm1fbW0uYw0KPiA+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9kcm1fbW0uYw0KPiA+IEBA IC0zODksMTEgKzM4OSwxMiBAQCBmaXJzdF9ob2xlKHN0cnVjdCBkcm1fbW0gKm1tLA0KPiA+ICAg I2RlZmluZSBERUNMQVJFX05FWFRfSE9MRV9BRERSKG5hbWUsIGZpcnN0LCBsYXN0KQkJCVwNCj4g PiAgIHN0YXRpYyBzdHJ1Y3QgZHJtX21tX25vZGUgKm5hbWUoc3RydWN0IGRybV9tbV9ub2RlICpl bnRyeSwgdTY0IHNpemUpCVwNCj4gPiAgIHsJCQkJCQkJCQlcDQo+ID4gLQlzdHJ1Y3QgcmJfbm9k ZSAqcGFyZW50LCAqbm9kZSA9ICZlbnRyeS0+cmJfaG9sZV9hZGRyOwkJXA0KPiA+ICsJc3RydWN0 IHJiX25vZGUgKnBhcmVudCwgKm5vZGU7CQkJCQlcDQo+ID4gICAJCQkJCQkJCQlcDQo+ID4gLQlp ZiAoIWVudHJ5IHx8IFJCX0VNUFRZX05PREUobm9kZSkpCQkJCVwNCj4gPiArCWlmICghZW50cnkg fHwgUkJfRU1QVFlfTk9ERSgmZW50cnktPnJiX2hvbGVfYWRkcikpCQlcDQo+ID4gICAJCXJldHVy biBOVUxMOwkJCQkJCVwNCj4gPiAgIAkJCQkJCQkJCVwNCj4gPiArCW5vZGUgPSAmZW50cnktPnJi X2hvbGVfYWRkcjsJCQkJCVwNCj4gPiAgIAlpZiAodXNhYmxlX2hvbGVfYWRkcihub2RlLT5maXJz dCwgc2l6ZSkpIHsJCQlcDQo+ID4gICAJCW5vZGUgPSBub2RlLT5maXJzdDsJCQkJCVwNCj4gPiAg IAkJd2hpbGUgKHVzYWJsZV9ob2xlX2FkZHIobm9kZS0+bGFzdCwgc2l6ZSkpCQlcDQo=