From 78dde77b227f66ad95c15f001b2dc3d7e2aa0635 Mon Sep 17 00:00:00 2001 From: Xu Panda Date: Mon, 26 Dec 2022 19:05:47 +0800 Subject: [PATCH] staging: r8188eu: use strscpy() to instead of strncpy() 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 Link: https://lore.kernel.org/r/202212261905476729002@zte.com.cn Signed-off-by: Greg Kroah-Hartman --- 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 8e9b7b0..e0a8199 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 = padapter->registrypriv.if2name; - strncpy(rereg_priv->old_ifname, reg_ifname, IFNAMSIZ); - rereg_priv->old_ifname[IFNAMSIZ - 1] = 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] = 0; + strscpy(rereg_priv->old_ifname, new_ifname, IFNAMSIZ); if (!memcmp(new_ifname, "disable%d", 9)) { /* free network queue for Android's timming issue */ -- 2.7.4