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    Subject[PATCH 4.17 134/220] scsi: qla2xxx: Delete session for nport id change
    Date
    4.17-stable review patch.  If anyone has any objections, please let me know.

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

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

    commit 1d317b21231bb2b81a6e0f94f708b8619ec8775b upstream.

    This patch fixes regression introduced by commit a4239945b8ad ("scsi:
    qla2xxx: Add switch command to simplify fabric discovery") by scheduling
    session deletion when Nport ID changes.

    [mkp: clarified commit]

    Fixes: a4239945b8ad ("scsi: qla2xxx: Add switch command to simplify fabric discovery")
    Cc: <stable@vger.kernel.org>
    Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
    Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
    Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    drivers/scsi/qla2xxx/qla_gs.c | 4 +++-
    1 file changed, 3 insertions(+), 1 deletion(-)

    --- a/drivers/scsi/qla2xxx/qla_gs.c
    +++ b/drivers/scsi/qla2xxx/qla_gs.c
    @@ -3915,7 +3915,6 @@ void qla24xx_async_gnnft_done(scsi_qla_h
    if (memcmp(rp->port_name, fcport->port_name, WWN_SIZE))
    continue;
    fcport->scan_state = QLA_FCPORT_FOUND;
    - fcport->d_id.b24 = rp->id.b24;
    found = true;
    /*
    * If device was not a fabric device before.
    @@ -3923,7 +3922,10 @@ void qla24xx_async_gnnft_done(scsi_qla_h
    if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
    qla2x00_clear_loop_id(fcport);
    fcport->flags |= FCF_FABRIC_DEVICE;
    + } else if (fcport->d_id.b24 != rp->id.b24) {
    + qlt_schedule_sess_for_deletion(fcport);
    }
    + fcport->d_id.b24 = rp->id.b24;
    break;
    }


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