Index: ext/socket/raddrinfo.c
===================================================================
--- ext/socket/raddrinfo.c	(revision 34755)
+++ ext/socket/raddrinfo.c	(working copy)
@@ -2144,6 +2144,8 @@ rsock_io_socket_addrinfo(VALUE io, struc
       default:
         rb_raise(rb_eTypeError, "neither IO nor file descriptor");
     }
+
+    return Qnil; /* not reached */
 }
 
 /*
Index: ext/socket/socket.c
===================================================================
--- ext/socket/socket.c	(revision 34755)
+++ ext/socket/socket.c	(working copy)
@@ -1334,6 +1334,8 @@ sock_s_getnameinfo(int argc, VALUE *argv
   error_exit_name:
     if (res) freeaddrinfo(res);
     rsock_raise_socket_error("getnameinfo", error);
+
+  return Qnil; /* not reached */
 }
 
 /*