iSCSI target got segmentation fault if connection is being exited
between spdk_iscsi_conn_write_pdu() and its callback
iscsi_conn_login_pdu_success_complete() are executed.
This was caused by recent asynchronous socket write feature.
Fixes issue #1278.
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: Idffd90cd6ee8e6cb4298fe3f1363d8d5c5a3c49d
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/1275
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ziye Yang <ziye.yang@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: wanghailiang <hailiangx.e.wang@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
628dc9c162