From nobody Tue Sep 16 13:48:46 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EAA13C5479D for ; Tue, 3 Jan 2023 02:03:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236395AbjACCCn (ORCPT ); Mon, 2 Jan 2023 21:02:43 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59186 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236336AbjACCCU (ORCPT ); Mon, 2 Jan 2023 21:02:20 -0500 Received: from mxct.zte.com.cn (mxct.zte.com.cn [183.62.165.209]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 253291039; Mon, 2 Jan 2023 18:02:19 -0800 (PST) Received: from mse-fl1.zte.com.cn (unknown [10.5.228.132]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mxct.zte.com.cn (FangMail) with ESMTPS id 4NmGFj0ylcz501Sr; Tue, 3 Jan 2023 10:02:17 +0800 (CST) Received: from szxlzmapp05.zte.com.cn ([10.5.230.85]) by mse-fl1.zte.com.cn with SMTP id 303226xk053280; Tue, 3 Jan 2023 10:02:06 +0800 (+08) (envelope-from yang.yang29@zte.com.cn) Received: from mapi (szxlzmapp01[null]) by mapi (Zmail) with MAPI id mid14; Tue, 3 Jan 2023 10:02:07 +0800 (CST) Date: Tue, 3 Jan 2023 10:02:07 +0800 (CST) X-Zmail-TransId: 2b0363b38c9f6a036ac0 X-Mailer: Zmail v1.0 Message-ID: <202301031002076571212@zte.com.cn> Mime-Version: 1.0 From: To: , Cc: , , , , , , , Subject: =?UTF-8?B?W1BBVENIIGxpbnV4LW5leHQgdjJdIHMzOTAvemNyeXB0OiB1c2Ugc3Ryc2NweSgpIHRvIGluc3RlYWQgb2Ygc3RybmNweSgp?= X-MAIL: mse-fl1.zte.com.cn 303226xk053280 X-Fangmail-Gw-Spam-Type: 0 X-FangMail-Miltered: at cgslv5.04-192.168.251.13.novalocal with ID 63B38CA9.001 by FangMail milter! X-FangMail-Envelope: 1672711337/4NmGFj0ylcz501Sr/63B38CA9.001/10.5.228.132/[10.5.228.132]/mse-fl1.zte.com.cn/ X-Fangmail-Anti-Spam-Filtered: true X-Fangmail-MID-QID: 63B38CA9.001/4NmGFj0ylcz501Sr Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Yang Yang The implementation of strscpy() is more robust and safer. That's now the recommended way to copy NUL-terminated strings. Signed-off-by: Yang Yang Signed-off-by: Xu Panda --- chang for v2 - match the FROM with the Email --- drivers/s390/crypto/zcrypt_api.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_= api.c index 4bf36e53fe3e..6fe05bb82c77 100644 --- a/drivers/s390/crypto/zcrypt_api.c +++ b/drivers/s390/crypto/zcrypt_api.c @@ -347,8 +347,7 @@ static ssize_t zcdn_create_store(struct class *class, int rc; char name[ZCDN_MAX_NAME]; - strncpy(name, skip_spaces(buf), sizeof(name)); - name[sizeof(name) - 1] =3D '\0'; + strscpy(name, skip_spaces(buf), sizeof(name)); rc =3D zcdn_create(strim(name)); @@ -365,8 +364,7 @@ static ssize_t zcdn_destroy_store(struct class *class, int rc; char name[ZCDN_MAX_NAME]; - strncpy(name, skip_spaces(buf), sizeof(name)); - name[sizeof(name) - 1] =3D '\0'; + strscpy(name, skip_spaces(buf), sizeof(name)); rc =3D zcdn_destroy(strim(name)); --=20 2.15.2