From patchwork Tue Apr 14 11:48:49 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "tianjia.zhang" X-Patchwork-Id: 11487359 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 121EA913 for ; Tue, 14 Apr 2020 11:49:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0328D2075E for ; Tue, 14 Apr 2020 11:49:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2439607AbgDNLtQ (ORCPT ); Tue, 14 Apr 2020 07:49:16 -0400 Received: from out30-42.freemail.mail.aliyun.com ([115.124.30.42]:49953 "EHLO out30-42.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729470AbgDNLtP (ORCPT ); Tue, 14 Apr 2020 07:49:15 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R211e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e01419;MF=tianjia.zhang@linux.alibaba.com;NM=1;PH=DS;RN=10;SR=0;TI=SMTPD_---0TvX41bQ_1586864931; Received: from localhost(mailfrom:tianjia.zhang@linux.alibaba.com fp:SMTPD_---0TvX41bQ_1586864931) by smtp.aliyun-inc.com(127.0.0.1); Tue, 14 Apr 2020 19:48:52 +0800 From: Tianjia Zhang To: zohar@linux.ibm.com, dmitry.kasatkin@gmail.com, jmorris@namei.org, serge@hallyn.com, zhangliguang@linux.alibaba.com, zhang.jia@linux.alibaba.com Cc: linux-integrity@vger.kernel.org, linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org, tianjia.zhang@linux.alibaba.com Subject: [PATCH 1/2] ima: simplify function ima_store_template Date: Tue, 14 Apr 2020 19:48:49 +0800 Message-Id: <20200414114850.98622-2-tianjia.zhang@linux.alibaba.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200414114850.98622-1-tianjia.zhang@linux.alibaba.com> References: <20200414114850.98622-1-tianjia.zhang@linux.alibaba.com> Sender: owner-linux-security-module@vger.kernel.org Precedence: bulk List-ID: The 'result' here is not necessary, remove redundant code, the code is more concise. Signed-off-by: Tianjia Zhang Reviewed-by: Lakshmi Ramasubramanian --- security/integrity/ima/ima_api.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/security/integrity/ima/ima_api.c b/security/integrity/ima/ima_api.c index f6bc00914aa5..9121257c9dc6 100644 --- a/security/integrity/ima/ima_api.c +++ b/security/integrity/ima/ima_api.c @@ -118,8 +118,7 @@ int ima_store_template(struct ima_template_entry *entry, memcpy(entry->digest, hash.hdr.digest, hash.hdr.length); } entry->pcr = pcr; - result = ima_add_template_entry(entry, violation, op, inode, filename); - return result; + return ima_add_template_entry(entry, violation, op, inode, filename); } /* From patchwork Tue Apr 14 11:48:50 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "tianjia.zhang" X-Patchwork-Id: 11487355 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 00AEE15AB for ; Tue, 14 Apr 2020 11:49:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E6A4620732 for ; Tue, 14 Apr 2020 11:49:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729473AbgDNLtO (ORCPT ); Tue, 14 Apr 2020 07:49:14 -0400 Received: from out30-42.freemail.mail.aliyun.com ([115.124.30.42]:37041 "EHLO out30-42.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728426AbgDNLtM (ORCPT ); Tue, 14 Apr 2020 07:49:12 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R801e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04357;MF=tianjia.zhang@linux.alibaba.com;NM=1;PH=DS;RN=10;SR=0;TI=SMTPD_---0TvWiAKo_1586864932; Received: from localhost(mailfrom:tianjia.zhang@linux.alibaba.com fp:SMTPD_---0TvWiAKo_1586864932) by smtp.aliyun-inc.com(127.0.0.1); Tue, 14 Apr 2020 19:48:52 +0800 From: Tianjia Zhang To: zohar@linux.ibm.com, dmitry.kasatkin@gmail.com, jmorris@namei.org, serge@hallyn.com, zhangliguang@linux.alibaba.com, zhang.jia@linux.alibaba.com Cc: linux-integrity@vger.kernel.org, linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org, tianjia.zhang@linux.alibaba.com Subject: [PATCH 2/2] ima: simplify function process_buffer_measurement Date: Tue, 14 Apr 2020 19:48:50 +0800 Message-Id: <20200414114850.98622-3-tianjia.zhang@linux.alibaba.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200414114850.98622-1-tianjia.zhang@linux.alibaba.com> References: <20200414114850.98622-1-tianjia.zhang@linux.alibaba.com> Sender: owner-linux-security-module@vger.kernel.org Precedence: bulk List-ID: Remove duplicate judgment code to make it more suitable for linux code style. Signed-off-by: Tianjia Zhang Reviewed-by: Lakshmi Ramasubramanian --- security/integrity/ima/ima_main.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/security/integrity/ima/ima_main.c b/security/integrity/ima/ima_main.c index 9d0abedeae77..55cbbe97ce6e 100644 --- a/security/integrity/ima/ima_main.c +++ b/security/integrity/ima/ima_main.c @@ -750,15 +750,15 @@ void process_buffer_measurement(const void *buf, int size, goto out; ret = ima_store_template(entry, violation, NULL, buf, pcr); - - if (ret < 0) - ima_free_template_entry(entry); - -out: if (ret < 0) - pr_devel("%s: failed, result: %d\n", __func__, ret); + goto out_free_entry; return; + +out_free_entry: + ima_free_template_entry(entry); +out: + pr_devel("%s: failed, result: %d\n", __func__, ret); } /**