Type:fix
Transports like tcp may notify session layer of a close but they may
defer the connection's deletion (e.g., tcp time-wait). During that time,
transports may still want to send packets. So, unless the session has no
transport (transport-deleted state), allow the transport to send.
Change-Id: I3ae335c7b951ff64be8529a5e3f3ad790feddc84
Signed-off-by: Florin Coras <fcoras@cisco.com>
(cherry picked from commit a678974cc52ac61dd6094c3f6649f9e3202be1cb)
ec25b91ad3