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    Subject[PATCH 4.8 054/140] zfcp: restore: Dont use 0 to indicate invalid LUN in rec trace
    Date
    4.8-stable review patch.  If anyone has any objections, please let me know.

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

    From: Steffen Maier <maier@linux.vnet.ibm.com>

    commit 0102a30a6ff60f4bb4c07358ca3b1f92254a6c25 upstream.

    bring back
    commit d21e9daa63e009ce5b87bbcaa6d11ce48e07bbbe
    ("[SCSI] zfcp: Dont use 0 to indicate invalid LUN in rec trace")
    which was lost with
    commit ae0904f60fab7cb20c48d32eefdd735e478b91fb
    ("[SCSI] zfcp: Redesign of the debug tracing for recovery actions.")

    Signed-off-by: Steffen Maier <maier@linux.vnet.ibm.com>
    Fixes: ae0904f60fab ("[SCSI] zfcp: Redesign of the debug tracing for recovery actions.")
    Reviewed-by: Benjamin Block <bblock@linux.vnet.ibm.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/s390/scsi/zfcp_dbf.c | 3 ++-
    1 file changed, 2 insertions(+), 1 deletion(-)

    --- a/drivers/s390/scsi/zfcp_dbf.c
    +++ b/drivers/s390/scsi/zfcp_dbf.c
    @@ -241,7 +241,8 @@ static void zfcp_dbf_set_common(struct z
    if (sdev) {
    rec->lun_status = atomic_read(&sdev_to_zfcp(sdev)->status);
    rec->lun = zfcp_scsi_dev_lun(sdev);
    - }
    + } else
    + rec->lun = ZFCP_DBF_INVALID_LUN;
    }

    /**

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