diff options
Diffstat (limited to 'net/ieee802154/socket.c')
| -rw-r--r-- | net/ieee802154/socket.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/ieee802154/socket.c b/net/ieee802154/socket.c index b60c65f70346..627a2537634e 100644 --- a/net/ieee802154/socket.c +++ b/net/ieee802154/socket.c @@ -739,6 +739,12 @@ static int dgram_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, sock_recv_ts_and_drops(msg, sk, skb); if (saddr) { + /* Clear the implicit padding in struct sockaddr_ieee802154 + * (16 bits between 'family' and 'addr') and in struct + * ieee802154_addr_sa (16 bits at the end of the structure). + */ + memset(saddr, 0, sizeof(*saddr)); + saddr->family = AF_IEEE802154; ieee802154_addr_to_sa(&saddr->addr, &mac_cb(skb)->source); *addr_len = sizeof(*saddr); |