From patchwork Wed Feb 5 10:33:12 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roberto Sassu X-Patchwork-Id: 11366053 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 621251395 for ; Wed, 5 Feb 2020 10:35:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4B758217BA for ; Wed, 5 Feb 2020 10:35:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727170AbgBEKfP (ORCPT ); Wed, 5 Feb 2020 05:35:15 -0500 Received: from lhrrgout.huawei.com ([185.176.76.210]:2368 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728034AbgBEKfP (ORCPT ); Wed, 5 Feb 2020 05:35:15 -0500 Received: from lhreml702-cah.china.huawei.com (unknown [172.18.7.106]) by Forcepoint Email with ESMTP id 4D8FBB6410E05FE3D3EE; Wed, 5 Feb 2020 10:35:14 +0000 (GMT) Received: from roberto-HP-EliteDesk-800-G2-DM-65W.huawei.com (10.204.65.160) by smtpsuk.huawei.com (10.201.108.43) with Microsoft SMTP Server (TLS) id 14.3.408.0; Wed, 5 Feb 2020 10:35:07 +0000 From: Roberto Sassu To: , , CC: , , , , Roberto Sassu Subject: [PATCH v2 3/8] ima: Evaluate error in init_ima() Date: Wed, 5 Feb 2020 11:33:12 +0100 Message-ID: <20200205103317.29356-4-roberto.sassu@huawei.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200205103317.29356-1-roberto.sassu@huawei.com> References: <20200205103317.29356-1-roberto.sassu@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.204.65.160] X-CFilter-Loop: Reflected Sender: owner-linux-security-module@vger.kernel.org Precedence: bulk List-ID: Evaluate error in init_ima() before register_blocking_lsm_notifier() and return if not zero. Fixes: b16942455193 ("ima: use the lsm policy update notifier") Signed-off-by: Roberto Sassu --- security/integrity/ima/ima_main.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/security/integrity/ima/ima_main.c b/security/integrity/ima/ima_main.c index d7e987baf127..a16c148ed90d 100644 --- a/security/integrity/ima/ima_main.c +++ b/security/integrity/ima/ima_main.c @@ -738,6 +738,9 @@ static int __init init_ima(void) error = ima_init(); } + if (error) + return error; + error = register_blocking_lsm_notifier(&ima_lsm_policy_notifier); if (error) pr_warn("Couldn't register LSM notifier, error %d\n", error);