[SCSI] lpfc 8.3.17: SCSI fixes

- Fail I/Os with incomplete data that complete with SCSI Check condition.
- Complete aborted I/Os with host_scribble equal to NULL with success.
- Initialize context1 field of iocbq in the new_scsi_buf routines.

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 6e331c7..3a65895 100644 (file)
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -599,6 +599,7 @@ lpfc_new_scsi_buf_s3(struct lpfc_vport *vport, int num_to_alloc)
                iocb->ulpClass = CLASS3;
                psb->status = IOSTAT_SUCCESS;
                /* Put it back into the SCSI buffer list */
+               psb->cur_iocbq.context1  = psb;
                lpfc_release_scsi_buf_s3(phba, psb);
 
        }
@@ -849,6 +850,7 @@ lpfc_new_scsi_buf_s4(struct lpfc_vport *vport, int num_to_alloc)
                iocb->ulpBdeCount = 1;
                iocb->ulpLe = 1;
                iocb->ulpClass = CLASS3;
+               psb->cur_iocbq.context1  = psb;
                if (phba->cfg_sg_dma_buf_size > SGL_PAGE_SIZE)
                        pdma_phys_bpl1 = pdma_phys_bpl + SGL_PAGE_SIZE;
                else
@@ -2276,15 +2278,24 @@ lpfc_handle_fcp_err(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd,
         * Check SLI validation that all the transfer was actually done
         * (fcpi_parm should be zero). Apply check only to reads.
         */
-       } else if ((scsi_status == SAM_STAT_GOOD) && fcpi_parm &&
-                       (cmnd->sc_data_direction == DMA_FROM_DEVICE)) {
+       } else if (fcpi_parm && (cmnd->sc_data_direction == DMA_FROM_DEVICE)) {
                lpfc_printf_vlog(vport, KERN_WARNING, LOG_FCP | LOG_FCP_ERROR,
                                 "9029 FCP Read Check Error Data: "
-                                "x%x x%x x%x x%x\n",
+                                "x%x x%x x%x x%x x%x\n",
                                 be32_to_cpu(fcpcmd->fcpDl),
                                 be32_to_cpu(fcprsp->rspResId),
-                                fcpi_parm, cmnd->cmnd[0]);
-               host_status = DID_ERROR;
+                                fcpi_parm, cmnd->cmnd[0], scsi_status);
+               switch (scsi_status) {
+               case SAM_STAT_GOOD:
+               case SAM_STAT_CHECK_CONDITION:
+                       /* Fabric dropped a data frame. Fail any successful
+                        * command in which we detected dropped frames.
+                        * A status of good or some check conditions could
+                        * be considered a successful command.
+                        */
+                       host_status = DID_ERROR;
+                       break;
+               }
                scsi_set_resid(cmnd, scsi_bufflen(cmnd));
        }
 
@@ -3072,7 +3083,14 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd)
        if (ret)
                return ret;
        lpfc_cmd = (struct lpfc_scsi_buf *)cmnd->host_scribble;
-       BUG_ON(!lpfc_cmd);
+       if (!lpfc_cmd) {
+               lpfc_printf_vlog(vport, KERN_WARNING, LOG_FCP,
+                        "2873 SCSI Layer I/O Abort Request IO CMPL Status "
+                        "x%x ID %d "
+                        "LUN %d snum %#lx\n", ret, cmnd->device->id,
+                        cmnd->device->lun, cmnd->serial_number);
+               return SUCCESS;
+       }
 
        /*
         * If pCmd field of the corresponding lpfc_scsi_buf structure