diff options
| -rw-r--r-- | net/packet/af_packet.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 8ec1bca7f859..20a1bd0e6549 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -2851,12 +2851,11 @@ static int packet_getname_spkt(struct socket *sock, struct sockaddr *uaddr, return -EOPNOTSUPP; uaddr->sa_family = AF_PACKET; + memset(uaddr->sa_data, 0, sizeof(uaddr->sa_data)); rcu_read_lock(); dev = dev_get_by_index_rcu(sock_net(sk), pkt_sk(sk)->ifindex); if (dev) - strncpy(uaddr->sa_data, dev->name, 14); - else - memset(uaddr->sa_data, 0, 14); + strlcpy(uaddr->sa_data, dev->name, sizeof(uaddr->sa_data)); rcu_read_unlock(); *uaddr_len = sizeof(*uaddr); |