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    Subject[PATCH 4.15 132/146] scsi: qla2xxx: Fix NPIV host cleanup in target mode
    Date
    4.15-stable review patch.  If anyone has any objections, please let me know.

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

    From: Sawan Chandak <sawan.chandak@cavium.com>

    commit 3be63b1e1838e35ce93e83f19573e949f4b389b4 upstream.

    Add check to make sure we are cleaning up global target host list only
    for NPIV hosts

    Fixes: bdbe24de281e2 ("scsi: qla2xxx: Cleanup NPIV host in target mode during config teardown")
    Cc: <stable@vger.kernel.org> # 4.10+
    Signed-off-by: Sawan Chandak <sawan.chandak@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 | 7 +++++--
    1 file changed, 5 insertions(+), 2 deletions(-)

    --- a/drivers/scsi/qla2xxx/qla_target.c
    +++ b/drivers/scsi/qla2xxx/qla_target.c
    @@ -1561,8 +1561,11 @@ static void qlt_release(struct qla_tgt *

    btree_destroy64(&tgt->lun_qpair_map);

    - if (ha->tgt.tgt_ops && ha->tgt.tgt_ops->remove_target)
    - ha->tgt.tgt_ops->remove_target(vha);
    + if (vha->vp_idx)
    + if (ha->tgt.tgt_ops &&
    + ha->tgt.tgt_ops->remove_target &&
    + vha->vha_tgt.target_lport_ptr)
    + ha->tgt.tgt_ops->remove_target(vha);

    vha->vha_tgt.qla_tgt = NULL;


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