From nobody Tue Sep 16 23:50:01 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 6EE3FC3DA79 for ; Mon, 26 Dec 2022 11:06:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231861AbiLZLGD (ORCPT ); Mon, 26 Dec 2022 06:06:03 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54066 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231593AbiLZLGA (ORCPT ); Mon, 26 Dec 2022 06:06:00 -0500 Received: from mxhk.zte.com.cn (mxhk.zte.com.cn [63.216.63.40]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2ABD6B57 for ; Mon, 26 Dec 2022 03:05:59 -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 mxhk.zte.com.cn (FangMail) with ESMTPS id 4NgZhj61nyz8R03d; Mon, 26 Dec 2022 19:05:57 +0800 (CST) Received: from szxlzmapp03.zte.com.cn ([10.5.231.207]) by mse-fl1.zte.com.cn with SMTP id 2BQB5ip4062779; Mon, 26 Dec 2022 19:05:44 +0800 (+08) (envelope-from yang.yang29@zte.com.cn) Received: from mapi (szxlzmapp01[null]) by mapi (Zmail) with MAPI id mid14; Mon, 26 Dec 2022 19:05:47 +0800 (CST) Date: Mon, 26 Dec 2022 19:05:47 +0800 (CST) X-Zmail-TransId: 2b0363a9800bffffffffb9415792 X-Mailer: Zmail v1.0 Message-ID: <202212261905476729002@zte.com.cn> Mime-Version: 1.0 From: To: Cc: , , , , , , , , , , Subject: =?UTF-8?B?W1BBVENIIGxpbnV4LW5leHRdIHN0YWdpbmc6IHI4MTg4ZXU6IHVzZSBzdHJzY3B5KCkgdG8gaW5zdGVhZCBvZiBzdHJuY3B5KCk=?= X-MAIL: mse-fl1.zte.com.cn 2BQB5ip4062779 X-Fangmail-Gw-Spam-Type: 0 X-FangMail-Miltered: at cgslv5.04-192.168.250.137.novalocal with ID 63A98015.001 by FangMail milter! X-FangMail-Envelope: 1672052757/4NgZhj61nyz8R03d/63A98015.001/10.5.228.132/[10.5.228.132]/mse-fl1.zte.com.cn/ X-Fangmail-Anti-Spam-Filtered: true X-Fangmail-MID-QID: 63A98015.001/4NgZhj61nyz8R03d 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: Xu Panda The implementation of strscpy() is more robust and safer. That's now the recommended way to copy NUL-terminated strings. Signed-off-by: Xu Panda Signed-off-by: Yang Yang Reviewed-by: Dan Carpenter --- drivers/staging/r8188eu/os_dep/ioctl_linux.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/staging/r8188eu/os_dep/ioctl_linux.c b/drivers/staging= /r8188eu/os_dep/ioctl_linux.c index 8e9b7b0664bc..e0a819970546 100644 --- a/drivers/staging/r8188eu/os_dep/ioctl_linux.c +++ b/drivers/staging/r8188eu/os_dep/ioctl_linux.c @@ -3061,8 +3061,7 @@ static int rtw_rereg_nd_name(struct net_device *dev, char *reg_ifname; reg_ifname =3D padapter->registrypriv.if2name; - strncpy(rereg_priv->old_ifname, reg_ifname, IFNAMSIZ); - rereg_priv->old_ifname[IFNAMSIZ - 1] =3D 0; + strscpy(rereg_priv->old_ifname, reg_ifname, IFNAMSIZ); } if (wrqu->data.length > IFNAMSIZ) @@ -3084,8 +3083,7 @@ static int rtw_rereg_nd_name(struct net_device *dev, rtw_ips_mode_req(&padapter->pwrctrlpriv, rereg_priv->old_ips_mode); } - strncpy(rereg_priv->old_ifname, new_ifname, IFNAMSIZ); - rereg_priv->old_ifname[IFNAMSIZ - 1] =3D 0; + strscpy(rereg_priv->old_ifname, new_ifname, IFNAMSIZ); if (!memcmp(new_ifname, "disable%d", 9)) { /* free network queue for Android's timming issue */ --=20 2.15.2