diff options
Diffstat (limited to 'src/ipcpd/udp')
| -rw-r--r-- | src/ipcpd/udp/main.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/ipcpd/udp/main.c b/src/ipcpd/udp/main.c index 3b354ceb..7def856b 100644 --- a/src/ipcpd/udp/main.c +++ b/src/ipcpd/udp/main.c @@ -222,7 +222,8 @@ static int ipcp_udp_port_alloc(const struct sockaddr_in * r_saddr, msg->timeout = hton32(qs.timeout); memcpy(msg + 1, dst, ipcp_dir_hash_len()); - memcpy(buf + len, data, dlen); + if (dlen > 0) + memcpy(buf + len, data, dlen); if (sendto(udp_data.s_fd, msg, len + dlen, SENDTO_FLAGS, @@ -255,7 +256,8 @@ static int ipcp_udp_port_alloc_resp(const struct sockaddr_in * r_saddr, msg->d_eid = hton32(d_eid); msg->response = response; - memcpy(msg + 1, data, len); + if (len > 0) + memcpy(msg + 1, data, len); if (sendto(udp_data.s_fd, msg, sizeof(*msg) + len, SENDTO_FLAGS, |