package/busybox/patches/243-udhcpc_changed_ifindex.patch

   1 --- a/networking/udhcp/dhcpc.c
   2 +++ b/networking/udhcp/dhcpc.c
   3 @@ -1144,6 +1144,12 @@ int udhcpc_main(int argc UNUSED_PARAM, c
   4                 /* silence "uninitialized!" warning */
   5                 unsigned timestamp_before_wait = timestamp_before_wait;
   6
   7 +               /* When running on a bridge, the ifindex may have changed (e.g. if
   8 +                * member interfaces were added/removed or if the status of the
   9 +                * bridge changed).
  10 +                * Workaround: refresh it here before processing the next packet */
  11 +               udhcp_read_interface(client_config.interface, &client_config.ifindex, NULL, client_config.client_mac);
  12 +
  13                 //bb_error_msg("sockfd:%d, listen_mode:%d", sockfd, listen_mode);
  14
  15                 /* Was opening raw or udp socket here