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);