From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_2 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1E0FCC47082 for ; Thu, 3 Jun 2021 10:40:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 074596101B for ; Thu, 3 Jun 2021 10:40:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229794AbhFCKlp (ORCPT ); Thu, 3 Jun 2021 06:41:45 -0400 Received: from mg.richtek.com ([220.130.44.152]:49406 "EHLO mg.richtek.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229597AbhFCKlo (ORCPT ); Thu, 3 Jun 2021 06:41:44 -0400 X-MailGates: (flag:4,DYNAMIC,BADHELO,RELAY,NOHOST:PASS)(compute_score:DE LIVER,40,3) Received: from 192.168.10.46 by mg.richtek.com with MailGates ESMTP Server V5.0(4326:0:AUTH_RELAY) (envelope-from ); Thu, 03 Jun 2021 18:39:52 +0800 (CST) Received: from ex3.rt.l (192.168.10.46) by ex3.rt.l (192.168.10.46) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.858.5; Thu, 3 Jun 2021 18:39:52 +0800 Received: from ex3.rt.l ([fe80::ede0:40a5:8f78:963e]) by ex3.rt.l ([fe80::ede0:40a5:8f78:963e%2]) with mapi id 15.02.0858.010; Thu, 3 Jun 2021 18:39:52 +0800 From: =?utf-8?B?Y3lfaHVhbmco6buD5ZWf5Y6fKQ==?= To: "axel.lin@ingics.com" , "broonie@kernel.org" CC: "lgirdwood@gmail.com" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] regulator: rt4801: Fix NULL pointer dereference if priv->enable_gpios is NULL Thread-Topic: [PATCH] regulator: rt4801: Fix NULL pointer dereference if priv->enable_gpios is NULL Thread-Index: AQHXWF3W9ZPy12H82kGo4cvVJ5UzdasBkriA Date: Thu, 3 Jun 2021 10:39:51 +0000 Message-ID: <1622716791.1034.13.camel@richtek.com> References: <20210603094944.1114156-1-axel.lin@ingics.com> In-Reply-To: <20210603094944.1114156-1-axel.lin@ingics.com> Accept-Language: zh-TW, en-US Content-Language: zh-TW X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: Evolution 3.18.5.2-0ubuntu3.2 x-originating-ip: [192.168.8.47] Content-Type: text/plain; charset="utf-8" Content-ID: <530ECB73A7BC924483363760B680EBD8@rt.l> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org SGksIEF4ZWw6DQoNCldoaWNoIGNhc2Ugd2lsbCBjYXVzZSB0aGlzIGVycm9yPyBJJ20gbm90IHJl YWxseSBzdXJlLg0KQnV0IGlmIGRldm1fZ3Bpb2RfZ2V0X2FycmF5X29wdGlvbmFsIHdpbGwgcmV0 dXJuIG51bGwsIHRoZW4gaXQgbXVzdCBiZSBjaGVjaw0KZWFybGllciBpbiBwcm9iZSBmdW5jdGlv bg0KDQogICAgICAgIHByaXYtPmVuYWJsZV9ncGlvcyA9IGRldm1fZ3Bpb2RfZ2V0X2FycmF5X29w dGlvbmFsKCZpMmMtPmRldiwgImVuYWJsZSIsDQpHUElPRF9PVVRfSElHSCk7DQotICAgICAgIGlm IChJU19FUlIocHJpdi0+ZW5hYmxlX2dwaW9zKSkgeysgICAgICAgaWYgKElTX0VSUl9PUl9OVUxM KHByaXYtPmVuYWJsZV9ncGlvcykpIHsNCg0KSWYgc28sIHRoaXMgY2hhbmdlIHdpbGwgYmUgbW9y ZSByZWFzb25hYmxlLg0KQ2F1c2UgaW4gYmluZGluZyBkb2N1bWVudCwgSSBhbHJlYWR5IHdyaXRl IHRoZSBtaW4gaXRlbSBtdXN0IGJlICcxJy4NCioqKioqKioqKioqKiogRW1haWwgQ29uZmlkZW50 aWFsaXR5IE5vdGljZSAqKioqKioqKioqKioqKioqKioqKg0KDQpUaGUgaW5mb3JtYXRpb24gY29u dGFpbmVkIGluIHRoaXMgZS1tYWlsIG1lc3NhZ2UgKGluY2x1ZGluZyBhbnkgYXR0YWNobWVudHMp IG1heSBiZSBjb25maWRlbnRpYWwsIHByb3ByaWV0YXJ5LCBwcml2aWxlZ2VkLCBvciBvdGhlcndp c2UgZXhlbXB0IGZyb20gZGlzY2xvc3VyZSB1bmRlciBhcHBsaWNhYmxlIGxhd3MuIEl0IGlzIGlu dGVuZGVkIHRvIGJlIGNvbnZleWVkIG9ubHkgdG8gdGhlIGRlc2lnbmF0ZWQgcmVjaXBpZW50KHMp LiBBbnkgdXNlLCBkaXNzZW1pbmF0aW9uLCBkaXN0cmlidXRpb24sIHByaW50aW5nLCByZXRhaW5p bmcgb3IgY29weWluZyBvZiB0aGlzIGUtbWFpbCAoaW5jbHVkaW5nIGl0cyBhdHRhY2htZW50cykg YnkgdW5pbnRlbmRlZCByZWNpcGllbnQocykgaXMgc3RyaWN0bHkgcHJvaGliaXRlZCBhbmQgbWF5 IGJlIHVubGF3ZnVsLiBJZiB5b3UgYXJlIG5vdCBhbiBpbnRlbmRlZCByZWNpcGllbnQgb2YgdGhp cyBlLW1haWwsIG9yIGJlbGlldmUgdGhhdCB5b3UgaGF2ZSByZWNlaXZlZCB0aGlzIGUtbWFpbCBp biBlcnJvciwgcGxlYXNlIG5vdGlmeSB0aGUgc2VuZGVyIGltbWVkaWF0ZWx5IChieSByZXBseWlu ZyB0byB0aGlzIGUtbWFpbCksIGRlbGV0ZSBhbnkgYW5kIGFsbCBjb3BpZXMgb2YgdGhpcyBlLW1h aWwgKGluY2x1ZGluZyBhbnkgYXR0YWNobWVudHMpIGZyb20geW91ciBzeXN0ZW0sIGFuZCBkbyBu b3QgZGlzY2xvc2UgdGhlIGNvbnRlbnQgb2YgdGhpcyBlLW1haWwgdG8gYW55IG90aGVyIHBlcnNv bi4gVGhhbmsgeW91IQ0K