tipc: allow service ranges to be connect()'ed on RDM/DGRAM
We move the check that prevents connecting service ranges to after
the RDM/DGRAM check, and move address sanity control to a separate
function that also validates the service range.
Fixes: a3df889e79b8 ("tipc: improve address sanity check in tipc_connect()") Signed-off-by: Erik Hugne <erik.hugne@gmail.com> Signed-off-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>