1 files changed, 16 insertions, 8 deletions

diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 17e4974d4445..b5ad1871d34b 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -40,11 +40,6 @@
 #define LPFC_RESET_WAIT  2
 #define LPFC_ABORT_WAIT  2
 
-static inline void lpfc_put_lun(struct fcp_cmnd *fcmd, unsigned int lun)
-{
-        fcmd->fcpLunLsl = 0;
-        fcmd->fcpLunMsl = swab16((uint16_t)lun);
-}
 
 /*
  * This routine allocates a scsi buffer, which contains all the necessary
@@ -238,6 +233,8 @@ lpfc_scsi_prep_dma_buf(struct lpfc_hba * phba, struct lpfc_scsi_buf * lpfc_cmd)
                 bpl->tus.f.bdeSize = scsi_cmnd->request_bufflen;
                 if (datadir == DMA_TO_DEVICE)
                         bpl->tus.f.bdeFlags = 0;
+                else
+                        bpl->tus.f.bdeFlags = BUFF_USE_RCV;
                 bpl->tus.w = le32_to_cpu(bpl->tus.w);
                 num_bde = 1;
                 bpl++;
@@ -245,8 +242,11 @@ lpfc_scsi_prep_dma_buf(struct lpfc_hba * phba, struct lpfc_scsi_buf * lpfc_cmd)
 
         /*
          * Finish initializing those IOCB fields that are dependent on the
-         * scsi_cmnd request_buffer
+         * scsi_cmnd request_buffer.  Note that the bdeSize is explicitly
+         * reinitialized since all iocb memory resources are used many times
+         * for transmit, receive, and continuation bpl's.
          */
+        iocb_cmd->un.fcpi64.bdl.bdeSize = (2 * sizeof (struct ulp_bde64));
         iocb_cmd->un.fcpi64.bdl.bdeSize +=
                 (num_bde * sizeof (struct ulp_bde64));
         iocb_cmd->ulpBdeCount = 1;
@@ -445,8 +445,11 @@ lpfc_scsi_prep_cmnd(struct lpfc_hba * phba, struct lpfc_scsi_buf * lpfc_cmd,
         int datadir = scsi_cmnd->sc_data_direction;
 
         lpfc_cmd->fcp_rsp->rspSnsLen = 0;
+        /* clear task management bits */
+        lpfc_cmd->fcp_cmnd->fcpCntl2 = 0;
 
-        lpfc_put_lun(lpfc_cmd->fcp_cmnd, lpfc_cmd->pCmd->device->lun);
+        int_to_scsilun(lpfc_cmd->pCmd->device->lun,
+                        &lpfc_cmd->fcp_cmnd->fcp_lun);
 
         memcpy(&fcp_cmnd->fcpCdb[0], scsi_cmnd->cmnd, 16);
 
@@ -545,7 +548,8 @@ lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_hba *phba,
         piocb = &piocbq->iocb;
 
         fcp_cmnd = lpfc_cmd->fcp_cmnd;
-        lpfc_put_lun(lpfc_cmd->fcp_cmnd, lpfc_cmd->pCmd->device->lun);
+        int_to_scsilun(lpfc_cmd->pCmd->device->lun,
+                        &lpfc_cmd->fcp_cmnd->fcp_lun);
         fcp_cmnd->fcpCntl2 = task_mgmt_cmd;
 
         piocb->ulpCommand = CMD_FCP_ICMND64_CR;
@@ -746,6 +750,10 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
                         cmnd->result = ScsiResult(DID_NO_CONNECT, 0);
                         goto out_fail_command;
                 }
+                else if (ndlp->nlp_state == NLP_STE_NPR_NODE) {
+                        cmnd->result = ScsiResult(DID_BUS_BUSY, 0);
+                        goto out_fail_command;
+                }
                 /*
                  * The device is most likely recovered and the driver
                  * needs a bit more time to finish.  Ask the midlayer