linux-kernel - [PATCH] l2tp: move from strlcpy with unused retval to strscpy

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Message-Id: <20220818210222.8515-1-wsa+renesas@sang-engineering.com>
Date:   Thu, 18 Aug 2022 23:02:21 +0200
From:   Wolfram Sang <wsa+renesas@...g-engineering.com>
To:     linux-kernel@...r.kernel.org
Cc:     Wolfram Sang <wsa+renesas@...g-engineering.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org
Subject: [PATCH] l2tp: move from strlcpy with unused retval to strscpy

Follow the advice of the below link and prefer 'strscpy' in this
subsystem. Conversion is 1:1 because the return value is not used.
Generated by a coccinelle script.

Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/
Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
---
 net/l2tp/l2tp_eth.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/l2tp/l2tp_eth.c b/net/l2tp/l2tp_eth.c
index 6cd97c75445c..f2ae03c40473 100644
--- a/net/l2tp/l2tp_eth.c
+++ b/net/l2tp/l2tp_eth.c
@@ -254,7 +254,7 @@ static int l2tp_eth_create(struct net *net, struct l2tp_tunnel *tunnel,
 	int rc;
 
 	if (cfg->ifname) {
-		strlcpy(name, cfg->ifname, IFNAMSIZ);
+		strscpy(name, cfg->ifname, IFNAMSIZ);
 		name_assign_type = NET_NAME_USER;
 	} else {
 		strcpy(name, L2TP_ETH_DEV_NAME);
@@ -314,7 +314,7 @@ static int l2tp_eth_create(struct net *net, struct l2tp_tunnel *tunnel,
 		return rc;
 	}
 
-	strlcpy(session->ifname, dev->name, IFNAMSIZ);
+	strscpy(session->ifname, dev->name, IFNAMSIZ);
 	rcu_assign_pointer(spriv->dev, dev);
 
 	rtnl_unlock();
-- 
2.35.1