lwip - Fixed handling of max sockets in socket_accept

2016-08-29 17:20:05 -05:00 · 2016-08-29 17:20:05 -05:00 · 506aa3d4ea
parent 9111aa4c2d
commit 506aa3d4ea
1 changed files with 3 additions and 0 deletions
--- a/features/net/FEATURE_IPV4/lwip-interface/lwip_stack.c
+++ b/features/net/FEATURE_IPV4/lwip-interface/lwip_stack.c
@ -308,6 +308,9 @@ static int lwip_socket_accept(nsapi_stack_t *stack, nsapi_socket_t server, nsapi
 {
    struct lwip_socket *s = (struct lwip_socket *)server;
    struct lwip_socket *ns = lwip_arena_alloc();
+    if (!ns) {
+        return NSAPI_ERROR_NO_SOCKET;
+    }

    err_t err = netconn_accept(s->conn, &ns->conn);
    if (err != ERR_OK) {