tcp: Fix uninited mac address when accepting connection.

diff --git a/grub-core/net/tcp.c b/grub-core/net/tcp.c
index 1d90f1ec5d0cec9595a09549aeeefe6fa29a5202..9e81a0a8545a664793dd6a976732ea4ade776148 100644 (file)
--- a/grub-core/net/tcp.c
+++ b/grub-core/net/tcp.c
@@ -498,11 +498,22 @@ grub_net_tcp_accept (grub_net_tcp_socket_t sock,
   struct grub_net_buff *nb_ack;
   struct tcphdr *tcph;
   grub_err_t err;
+  grub_net_network_level_address_t gateway;
+  struct grub_net_network_level_interface *inf;
 
   sock->recv_hook = recv_hook;
   sock->error_hook = error_hook;
   sock->fin_hook = fin_hook;
   sock->hook_data = hook_data;
+
+  err = grub_net_route_address (sock->out_nla, &gateway, &inf);
+  if (err)
+    return err;
+
+  err = grub_net_link_layer_resolve (sock->inf, &gateway, &(sock->ll_target_addr));
+  if (err)
+    return err;
+
   nb_ack = grub_netbuff_alloc (sizeof (*tcph)
                               + GRUB_NET_OUR_MAX_IP_HEADER_SIZE
                               + GRUB_NET_MAX_LINK_HEADER_SIZE);