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    Subject[PATCH 4.15 139/146] scsi: qla2xxx: Clear loop id after delete
    Date
    4.15-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Quinn Tran <quinn.tran@cavium.com>

    commit ba743f9148e951abe1c94f89c174ec8e44fb145b upstream.

    Clear loop id after delete to prevent session invalidation of stale
    session.

    Fixes: 726b85487067d ("qla2xxx: Add framework for async fabric discovery")
    Cc: <stable@vger.kernel.org> # 4.10+
    Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
    Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
    Reviewed-by: Hannes Reinecke <hare@suse.com>
    Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    drivers/scsi/qla2xxx/qla_target.c | 9 ++++-----
    1 file changed, 4 insertions(+), 5 deletions(-)

    --- a/drivers/scsi/qla2xxx/qla_target.c
    +++ b/drivers/scsi/qla2xxx/qla_target.c
    @@ -985,7 +985,7 @@ static void qlt_free_session_done(struct
    qlt_send_first_logo(vha, &logo);
    }

    - if (sess->logout_on_delete) {
    + if (sess->logout_on_delete && sess->loop_id != FC_NO_LOOP_ID) {
    int rc;

    rc = qla2x00_post_async_logout_work(vha, sess, NULL);
    @@ -1044,8 +1044,7 @@ static void qlt_free_session_done(struct
    sess->login_succ = 0;
    }

    - if (sess->chip_reset != ha->base_qpair->chip_reset)
    - qla2x00_clear_loop_id(sess);
    + qla2x00_clear_loop_id(sess);

    if (sess->conflict) {
    sess->conflict->login_pause = 0;
    @@ -4599,9 +4598,9 @@ qlt_find_sess_invalidate_other(scsi_qla_
    "Invalidating sess %p loop_id %d wwn %llx.\n",
    other_sess, other_sess->loop_id, other_wwn);

    -
    other_sess->keep_nport_handle = 1;
    - *conflict_sess = other_sess;
    + if (other_sess->disc_state != DSC_DELETED)
    + *conflict_sess = other_sess;
    qlt_schedule_sess_for_deletion(other_sess,
    true);
    }

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