packet: 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@sang-engineering.com>
Link: https://lore.kernel.org/r/20220818210227.8611-1-wsa+renesas@sang-engineering.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 5cbe07116e04e68251de863307e7194b9e07a789..7de46d8313498cf1a93ecc7a87597265d64d35d3 100644 (file)
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1905,7 +1905,7 @@ static int packet_rcv_spkt(struct sk_buff *skb, struct net_device *dev,
         */
 
        spkt->spkt_family = dev->type;
-       strlcpy(spkt->spkt_device, dev->name, sizeof(spkt->spkt_device));
+       strscpy(spkt->spkt_device, dev->name, sizeof(spkt->spkt_device));
        spkt->spkt_protocol = skb->protocol;
 
        /*
@@ -3565,7 +3565,7 @@ static int packet_getname_spkt(struct socket *sock, struct sockaddr *uaddr,
        rcu_read_lock();
        dev = dev_get_by_index_rcu(sock_net(sk), READ_ONCE(pkt_sk(sk)->ifindex));
        if (dev)
-               strlcpy(uaddr->sa_data, dev->name, sizeof(uaddr->sa_data));
+               strscpy(uaddr->sa_data, dev->name, sizeof(uaddr->sa_data));
        rcu_read_unlock();
 
        return sizeof(*uaddr);