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Diffstat (limited to 'net/packet/af_packet.c')
-rw-r--r--net/packet/af_packet.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 79fe63246b27..4b66c752eae5 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,
2851 return -EOPNOTSUPP; 2851 return -EOPNOTSUPP;
2852 2852
2853 uaddr->sa_family = AF_PACKET; 2853 uaddr->sa_family = AF_PACKET;
2854 memset(uaddr->sa_data, 0, sizeof(uaddr->sa_data));
2854 rcu_read_lock(); 2855 rcu_read_lock();
2855 dev = dev_get_by_index_rcu(sock_net(sk), pkt_sk(sk)->ifindex); 2856 dev = dev_get_by_index_rcu(sock_net(sk), pkt_sk(sk)->ifindex);
2856 if (dev) 2857 if (dev)
2857 strncpy(uaddr->sa_data, dev->name, 14); 2858 strlcpy(uaddr->sa_data, dev->name, sizeof(uaddr->sa_data));
2858 else
2859 memset(uaddr->sa_data, 0, 14);
2860 rcu_read_unlock(); 2859 rcu_read_unlock();
2861 *uaddr_len = sizeof(*uaddr); 2860 *uaddr_len = sizeof(*uaddr);
2862 2861