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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham 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 A8CE7C33CB1 for ; Sun, 19 Jan 2020 12:41:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 773BC206ED for ; Sun, 19 Jan 2020 12:41:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726897AbgASMl5 (ORCPT ); Sun, 19 Jan 2020 07:41:57 -0500 Received: from szxga05-in.huawei.com ([45.249.212.191]:9199 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726778AbgASMl5 (ORCPT ); Sun, 19 Jan 2020 07:41:57 -0500 Received: from DGGEMS411-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 2B7E7B8D7D2AF1843CC5; Sun, 19 Jan 2020 20:41:54 +0800 (CST) Received: from localhost.localdomain.localdomain (10.175.113.25) by DGGEMS411-HUB.china.huawei.com (10.3.19.211) with Microsoft SMTP Server id 14.3.439.0; Sun, 19 Jan 2020 20:41:44 +0800 From: Chen Zhou To: , , CC: , Subject: [PATCH -next] lkdtm: remove unnecessary terminated-null assign Date: Sun, 19 Jan 2020 20:36:59 +0800 Message-ID: <20200119123659.29950-1-chenzhou10@huawei.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.113.25] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org scnprintf implementation of kernel guarantees that its result is terminated with null byte if size is larger than 0. So we don't need to set terminated-null again. Signed-off-by: Chen Zhou --- drivers/misc/lkdtm/core.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/misc/lkdtm/core.c b/drivers/misc/lkdtm/core.c index ee0d6e7..5ad2630 100644 --- a/drivers/misc/lkdtm/core.c +++ b/drivers/misc/lkdtm/core.c @@ -341,7 +341,6 @@ static ssize_t lkdtm_debugfs_read(struct file *f, char __user *user_buf, n += scnprintf(buf + n, PAGE_SIZE - n, "%s\n", crashtypes[i].name); } - buf[n] = '\0'; out = simple_read_from_buffer(user_buf, count, off, buf, n); -- 2.7.4