ARMmbed
/
mbed-os
mirror of https://github.com/ARMmbed/mbed-os.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Merge pull request #2580 from geky/nsapi-bind-again 

lwip - Add check for previously-bound socket
pull/2593/head
Sam Grove 2016-09-10 07:10:45 -05:00 committed by GitHub
parent c518a61be6 c3130e51e4
commit fb7ffcb5a3
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
features/net/FEATURE_IPV4/lwip-interface/lwip_stack.c
View File

@ -278,6 +278,11 @@ static int lwip_socket_bind(nsapi_stack_t *stack, nsapi_socket_t handle, nsapi_a
return NSAPI_ERROR_PARAMETER;
}
if ((s->conn->type == NETCONN_TCP && s->conn->pcb.tcp->local_port != 0) ||
(s->conn->type == NETCONN_UDP && s->conn->pcb.udp->local_port != 0)) {
return NSAPI_ERROR_PARAMETER;
}
err_t err = netconn_bind(s->conn, (ip_addr_t *)addr.bytes, port);
return lwip_err_remap(err);
}