diff --git a/networking/udhcp/socket.c b/networking/udhcp/socket.c index f12fa9290..df00e6985 100644 --- a/networking/udhcp/socket.c +++ b/networking/udhcp/socket.c @@ -141,6 +141,8 @@ int raw_socket(int ifindex) DEBUG(LOG_ERR, "socket call failed: %m"); return -1; } + + while (fd >= 0 && fd < 3) fd = dup(fd); /* don't let daemon close fds on us */ sock.sll_family = AF_PACKET; sock.sll_protocol = htons(ETH_P_IP);