diff options
Diffstat (limited to 'src/ipcpd')
| -rw-r--r-- | src/ipcpd/eth/eth.c | 6 | ||||
| -rw-r--r-- | src/ipcpd/udp/main.c | 6 | ||||
| -rw-r--r-- | src/ipcpd/unicast/fa.c | 6 |
3 files changed, 12 insertions, 6 deletions
diff --git a/src/ipcpd/eth/eth.c b/src/ipcpd/eth/eth.c index f62bd0a7..25f42fc8 100644 --- a/src/ipcpd/eth/eth.c +++ b/src/ipcpd/eth/eth.c @@ -496,7 +496,8 @@ static int eth_ipcp_alloc(const uint8_t * dst_addr, msg->timeout = hton32(qs.timeout); memcpy(msg + 1, hash, ipcp_dir_hash_len()); - memcpy(buf + len + ETH_HEADER_TOT_SIZE, data, dlen); + if (dlen > 0) + memcpy(buf + len + ETH_HEADER_TOT_SIZE, data, dlen); ret = eth_ipcp_send_frame(dst_addr, #if defined(BUILD_ETH_DIX) @@ -542,7 +543,8 @@ static int eth_ipcp_alloc_resp(uint8_t * dst_addr, #endif msg->response = response; - memcpy(msg + 1, data, len); + if (len > 0) + memcpy(msg + 1, data, len); if (eth_ipcp_send_frame(dst_addr, #if defined(BUILD_ETH_DIX) 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, diff --git a/src/ipcpd/unicast/fa.c b/src/ipcpd/unicast/fa.c index eb467a90..508f2d73 100644 --- a/src/ipcpd/unicast/fa.c +++ b/src/ipcpd/unicast/fa.c @@ -847,7 +847,8 @@ int fa_alloc(int fd, msg->timeout = hton32(qs.timeout); memcpy(msg + 1, dst, ipcp_dir_hash_len()); - memcpy(shm_du_buff_head(sdb) + len, data, dlen); + if (dlen > 0) + memcpy(shm_du_buff_head(sdb) + len, data, dlen); if (dt_write_packet(addr, qc, fa.eid, sdb)) { ipcp_sdb_release(sdb); @@ -897,7 +898,8 @@ int fa_alloc_resp(int fd, msg->s_eid = hton64(flow->s_eid); msg->response = response; - memcpy(msg + 1, data, len); + if (len > 0) + memcpy(msg + 1, data, len); if (response < 0) { fa_flow_fini(flow); |