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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS 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 1D22CC33CA3 for ; Sat, 11 Jan 2020 09:50:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E30D92082E for ; Sat, 11 Jan 2020 09:50:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728815AbgAKJuQ (ORCPT ); Sat, 11 Jan 2020 04:50:16 -0500 Received: from szxga02-in.huawei.com ([45.249.212.188]:2985 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728759AbgAKJuQ (ORCPT ); Sat, 11 Jan 2020 04:50:16 -0500 Received: from DGGEMM403-HUB.china.huawei.com (unknown [172.30.72.56]) by Forcepoint Email with ESMTP id B6A7D6195E8CA0ACD33A; Sat, 11 Jan 2020 17:50:13 +0800 (CST) Received: from dggeme764-chm.china.huawei.com (10.3.19.110) by DGGEMM403-HUB.china.huawei.com (10.3.20.211) with Microsoft SMTP Server (TLS) id 14.3.439.0; Sat, 11 Jan 2020 17:50:13 +0800 Received: from dggeme763-chm.china.huawei.com (10.3.19.109) by dggeme764-chm.china.huawei.com (10.3.19.110) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5; Sat, 11 Jan 2020 17:50:13 +0800 Received: from dggeme763-chm.china.huawei.com ([10.6.66.36]) by dggeme763-chm.china.huawei.com ([10.6.66.36]) with mapi id 15.01.1713.004; Sat, 11 Jan 2020 17:50:13 +0800 From: linmiaohe To: Colin King CC: Kalle Valo , "David S . Miller" , John Crispin , Shashidhar Lakkavalli , "ath11k@lists.infradead.org" , "linux-wireless@vger.kernel.org" , "netdev@vger.kernel.org" , "kernel-janitors@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH][next] ath11k: avoid null pointer dereference when pointer band is null Thread-Topic: [PATCH][next] ath11k: avoid null pointer dereference when pointer band is null Thread-Index: AdXIZDUYESk9sMb86Em1GlFaBBmLPA== Date: Sat, 11 Jan 2020 09:50:12 +0000 Message-ID: <05d5d54e035e4d69ad4ffb4a835a495a@huawei.com> Accept-Language: en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.173.221.158] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org DQpDb2xpbiBJYW4gS2luZyA8Y29saW4ua2luZ0BjYW5vbmljYWwuY29tPiB3cm90Ze+8mg0KPkZy b206IENvbGluIElhbiBLaW5nIDxjb2xpbi5raW5nQGNhbm9uaWNhbC5jb20+DQo+DQo+SW4gdGhl IHVubGlrZWx5IGV2ZW50IHRoYXQgY2FwLT5zdXBwb3J0ZWRfYmFuZHMgaGFzIG5laXRoZXIgV01J X0hPU1RfV0xBTl8yR19DQVAgc2V0IG9yIFdNSV9IT1NUX1dMQU5fNUdfQ0FQIHNldCB0aGVuIHBv aW50ZXIgYmFuZCBpcyBudWxsIGFuZCBhIG51bGwgZGVyZWZlcmVuY2Ugb2NjdXJzIHdoZW4gYXNz aWduaW5nDQo+YmFuZC0+bl9pZnR5cGVfZGF0YS4gIE1vdmUgdGhlIGFzc2lnbm1lbnQgdG8gdGhl IGlmIGJsb2NrcyB0bw0KPmF2b2lkIHRoaXMuICBDbGVhbnMgdXAgc3RhdGljIGFuYWx5c2lzIHdh cm5pbmdzLg0KPg0KPkFkZHJlc3Nlcy1Db3Zlcml0eTogKCJFeHBsaWNpdCBudWxsIGRlcmVmZXJl bmNlIikNCj5GaXhlczogOWYwNTZlZDhlZTAxICgiYXRoMTFrOiBhZGQgSEUgc3VwcG9ydCIpDQo+ U2lnbmVkLW9mZi1ieTogQ29saW4gSWFuIEtpbmcgPGNvbGluLmtpbmdAY2Fub25pY2FsLmNvbT4N Cj4tLS0NCj4gZHJpdmVycy9uZXQvd2lyZWxlc3MvYXRoL2F0aDExay9tYWMuYyB8IDggKysrKy0t LS0NCj4gMSBmaWxlIGNoYW5nZWQsIDQgaW5zZXJ0aW9ucygrKSwgNCBkZWxldGlvbnMoLSkNCg0K SXQgbG9va3MgZmluZSBmb3IgbWUuIFRoYW5rcy4NClJldmlld2VkLWJ5OiBNaWFvaGUgTGluIDxs aW5taWFvaGVAaHVhd2VpLmNvbT4NCg== From mboxrd@z Thu Jan 1 00:00:00 1970 From: linmiaohe Date: Sat, 11 Jan 2020 09:50:12 +0000 Subject: Re: [PATCH][next] ath11k: avoid null pointer dereference when pointer band is null Message-Id: <05d5d54e035e4d69ad4ffb4a835a495a@huawei.com> List-Id: References: <20200111090824.9999-1-colin.king@canonical.com> In-Reply-To: <20200111090824.9999-1-colin.king@canonical.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Colin King Cc: "kernel-janitors@vger.kernel.org" , "netdev@vger.kernel.org" , John Crispin , "linux-wireless@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "David S . Miller" , Shashidhar Lakkavalli , "ath11k@lists.infradead.org" , Kalle Valo DQpDb2xpbiBJYW4gS2luZyA8Y29saW4ua2luZ0BjYW5vbmljYWwuY29tPiB3cm90Ze+8mg0KPkZy b206IENvbGluIElhbiBLaW5nIDxjb2xpbi5raW5nQGNhbm9uaWNhbC5jb20+DQo+DQo+SW4gdGhl IHVubGlrZWx5IGV2ZW50IHRoYXQgY2FwLT5zdXBwb3J0ZWRfYmFuZHMgaGFzIG5laXRoZXIgV01J X0hPU1RfV0xBTl8yR19DQVAgc2V0IG9yIFdNSV9IT1NUX1dMQU5fNUdfQ0FQIHNldCB0aGVuIHBv aW50ZXIgYmFuZCBpcyBudWxsIGFuZCBhIG51bGwgZGVyZWZlcmVuY2Ugb2NjdXJzIHdoZW4gYXNz aWduaW5nDQo+YmFuZC0+bl9pZnR5cGVfZGF0YS4gIE1vdmUgdGhlIGFzc2lnbm1lbnQgdG8gdGhl IGlmIGJsb2NrcyB0bw0KPmF2b2lkIHRoaXMuICBDbGVhbnMgdXAgc3RhdGljIGFuYWx5c2lzIHdh cm5pbmdzLg0KPg0KPkFkZHJlc3Nlcy1Db3Zlcml0eTogKCJFeHBsaWNpdCBudWxsIGRlcmVmZXJl bmNlIikNCj5GaXhlczogOWYwNTZlZDhlZTAxICgiYXRoMTFrOiBhZGQgSEUgc3VwcG9ydCIpDQo+ U2lnbmVkLW9mZi1ieTogQ29saW4gSWFuIEtpbmcgPGNvbGluLmtpbmdAY2Fub25pY2FsLmNvbT4N Cj4tLS0NCj4gZHJpdmVycy9uZXQvd2lyZWxlc3MvYXRoL2F0aDExay9tYWMuYyB8IDggKysrKy0t LS0NCj4gMSBmaWxlIGNoYW5nZWQsIDQgaW5zZXJ0aW9ucygrKSwgNCBkZWxldGlvbnMoLSkNCg0K SXQgbG9va3MgZmluZSBmb3IgbWUuIFRoYW5rcy4NClJldmlld2VkLWJ5OiBNaWFvaGUgTGluIDxs aW5taWFvaGVAaHVhd2VpLmNvbT4NCg= From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from szxga02-in.huawei.com ([45.249.212.188] helo=huawei.com) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iqDPV-0000ej-QT for ath11k@lists.infradead.org; Sat, 11 Jan 2020 09:50:27 +0000 From: linmiaohe Subject: Re: [PATCH][next] ath11k: avoid null pointer dereference when pointer band is null Date: Sat, 11 Jan 2020 09:50:12 +0000 Message-ID: <05d5d54e035e4d69ad4ffb4a835a495a@huawei.com> Content-Language: zh-CN MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "ath11k" Errors-To: ath11k-bounces+kvalo=adurom.com@lists.infradead.org To: Colin King Cc: "kernel-janitors@vger.kernel.org" , "netdev@vger.kernel.org" , John Crispin , "linux-wireless@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "David S . Miller" , Shashidhar Lakkavalli , "ath11k@lists.infradead.org" , Kalle Valo DQpDb2xpbiBJYW4gS2luZyA8Y29saW4ua2luZ0BjYW5vbmljYWwuY29tPiB3cm90Ze+8mg0KPkZy b206IENvbGluIElhbiBLaW5nIDxjb2xpbi5raW5nQGNhbm9uaWNhbC5jb20+DQo+DQo+SW4gdGhl IHVubGlrZWx5IGV2ZW50IHRoYXQgY2FwLT5zdXBwb3J0ZWRfYmFuZHMgaGFzIG5laXRoZXIgV01J X0hPU1RfV0xBTl8yR19DQVAgc2V0IG9yIFdNSV9IT1NUX1dMQU5fNUdfQ0FQIHNldCB0aGVuIHBv aW50ZXIgYmFuZCBpcyBudWxsIGFuZCBhIG51bGwgZGVyZWZlcmVuY2Ugb2NjdXJzIHdoZW4gYXNz aWduaW5nDQo+YmFuZC0+bl9pZnR5cGVfZGF0YS4gIE1vdmUgdGhlIGFzc2lnbm1lbnQgdG8gdGhl IGlmIGJsb2NrcyB0bw0KPmF2b2lkIHRoaXMuICBDbGVhbnMgdXAgc3RhdGljIGFuYWx5c2lzIHdh cm5pbmdzLg0KPg0KPkFkZHJlc3Nlcy1Db3Zlcml0eTogKCJFeHBsaWNpdCBudWxsIGRlcmVmZXJl bmNlIikNCj5GaXhlczogOWYwNTZlZDhlZTAxICgiYXRoMTFrOiBhZGQgSEUgc3VwcG9ydCIpDQo+ U2lnbmVkLW9mZi1ieTogQ29saW4gSWFuIEtpbmcgPGNvbGluLmtpbmdAY2Fub25pY2FsLmNvbT4N Cj4tLS0NCj4gZHJpdmVycy9uZXQvd2lyZWxlc3MvYXRoL2F0aDExay9tYWMuYyB8IDggKysrKy0t LS0NCj4gMSBmaWxlIGNoYW5nZWQsIDQgaW5zZXJ0aW9ucygrKSwgNCBkZWxldGlvbnMoLSkNCg0K SXQgbG9va3MgZmluZSBmb3IgbWUuIFRoYW5rcy4NClJldmlld2VkLWJ5OiBNaWFvaGUgTGluIDxs aW5taWFvaGVAaHVhd2VpLmNvbT4NCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fCmF0aDExayBtYWlsaW5nIGxpc3QKYXRoMTFrQGxpc3RzLmluZnJhZGVhZC5v cmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9hdGgxMWsK