Fix starting reference tag when calculating BG error

Signed-off-by: James Smart <james.sm...@emulex.com>

 ---

 lpfc_scsi.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)


diff -upNr a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
--- a/drivers/scsi/lpfc/lpfc_scsi.c     2013-05-31 10:58:12.310057503 -0400
+++ b/drivers/scsi/lpfc/lpfc_scsi.c     2013-05-31 10:58:17.946057631 -0400
@@ -3088,9 +3088,9 @@ lpfc_calc_bg_err(struct lpfc_hba *phba,
                        chk_guard = 1;
                guard_type = scsi_host_get_guard(cmd->device->host);
 
+               src = (struct scsi_dif_tuple *)sg_virt(sgpe);
                start_ref_tag = (uint32_t)scsi_get_lba(cmd); /* Truncate LBA */
                start_app_tag = src->app_tag;
-               src = (struct scsi_dif_tuple *)sg_virt(sgpe);
                len = sgpe->length;
                while (src && protsegcnt) {
                        while (len) {



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