Author: jimharris
Date: Mon Aug 27 15:57:33 2012
New Revision: 239737
URL: http://svn.freebsd.org/changeset/base/239737

Log:
  MFC r239655:
  
  Fix scsi_da's BIO_DELETE->SCSI_UNMAP translation to use correct local
  variable when determining various sizes related to SCSI UNMAP block
  descriptor lists.
  
  Sponsored by: Intel

Modified:
  stable/9/sys/cam/scsi/scsi_da.c
Directory Properties:
  stable/9/sys/   (props changed)

Modified: stable/9/sys/cam/scsi/scsi_da.c
==============================================================================
--- stable/9/sys/cam/scsi/scsi_da.c     Mon Aug 27 15:54:51 2012        
(r239736)
+++ stable/9/sys/cam/scsi/scsi_da.c     Mon Aug 27 15:57:33 2012        
(r239737)
@@ -1788,8 +1788,8 @@ dastart(struct cam_periph *periph, union
                                     softc->params.secsize > 
softc->unmap_max_lba)
                                        break;
                        } while (1);
-                       scsi_ulto2b(count * 16 + 6, &buf[0]);
-                       scsi_ulto2b(count * 16, &buf[2]);
+                       scsi_ulto2b(ranges * 16 + 6, &buf[0]);
+                       scsi_ulto2b(ranges * 16, &buf[2]);
 
                        scsi_unmap(&start_ccb->csio,
                                        /*retries*/da_retry_count,
@@ -1797,7 +1797,7 @@ dastart(struct cam_periph *periph, union
                                        /*tag_action*/MSG_SIMPLE_Q_TAG,
                                        /*byte2*/0,
                                        /*data_ptr*/ buf,
-                                       /*dxfer_len*/ count * 16 + 8,
+                                       /*dxfer_len*/ ranges * 16 + 8,
                                        /*sense_len*/SSD_FULL_SIZE,
                                        da_default_timeout * 1000);
                        start_ccb->ccb_h.ccb_state = DA_CCB_DELETE;
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