Jim Harris dfe5d83743 iscsi: ensure we have a conn->sess before trying to stop a poller
There are some error paths that can get to spdk_iscsi_conn_stop_poller()
before the conn's session is set.  So check whether the session is NULL
before trying to check its session type.

Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I352a2aa513541ba630ace368137433e509700e32
2016-09-22 20:57:37 -07:00
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