From: James Smart <james.smart@emulex.com>
Date: Fri, 31 May 2013 21:04:10 +0000 (-0400)
Subject: [SCSI] lpfc 8.3.40: Fix starting reference tag when calculating BG error
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=e85d8f9f62ef5f20a980f3627b07290243daa310;p=deliverable%2Flinux.git

[SCSI] lpfc 8.3.40: Fix starting reference tag when calculating BG error

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---

diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 2e31106c699e..853223947d7a 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -3088,9 +3088,9 @@ lpfc_calc_bg_err(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
 			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) {