If thread A is the first to grab a channel, the poller will be on thread
A. But then if the shutdown happens such that thread B is the final
channel to release it's channel, it will attempt to free the lun poller
from thread B and crash.
Change-Id: I354f9f28d55e5e82cb6c737c734acadbd80e283d
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/1590
Community-CI: Broadcom CI
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>