fixed bug #46471: lwip_accept() leaks socket descriptors if new netconn was already closed because of peer behavior

CHANGELOG

@@ -296,6 +296,10 @@ HISTORY
 
   ++ Bugfixes:
 
+  2015-11-19: fix by Kerem Hadimli
+  * sockets.c: fixed bug #46471: lwip_accept() leaks socket descriptors if new
+    netconn was already closed because of peer behavior
+
   2015-11-12: fix by Valery Ushakov
   * tcp_in.c: fixed bug #46365 tcp_accept_null() should call tcp_abort()
 

src/api/sockets.c

@@ -556,6 +556,7 @@ lwip_accept(int s, struct sockaddr *addr, socklen_t *addrlen)
     if (err != ERR_OK) {
       LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_accept(%d): netconn_peer failed, err=%d\n", s, err));
       netconn_delete(newconn);
+      free_socket(nsock, 1);
       sock_set_errno(sock, err_to_errno(err));
       return -1;
     }