1 files changed, 6 insertions, 5 deletions

diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c
index 71ff3fbfce12..f4c4fe90240a 100644
--- a/drivers/scsi/53c700.c
+++ b/drivers/scsi/53c700.c
@@ -608,7 +608,8 @@ NCR_700_scsi_done(struct NCR_700_Host_Parameters *hostdata,
                         scsi_print_sense("53c700", SCp);
 
 #endif
-                        dma_unmap_single(hostdata->dev, slot->dma_handle, sizeof(SCp->sense_buffer), DMA_FROM_DEVICE);
+                        dma_unmap_single(hostdata->dev, slot->dma_handle,
+                                         SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE);
                         /* restore the old result if the request sense was
                          * successful */
                         if (result == 0)
@@ -1010,7 +1011,7 @@ process_script_interrupt(__u32 dsps, __u32 dsp, struct scsi_cmnd *SCp,
                                 cmnd[1] = (SCp->device->lun & 0x7) << 5;
                                 cmnd[2] = 0;
                                 cmnd[3] = 0;
-                                cmnd[4] = sizeof(SCp->sense_buffer);
+                                cmnd[4] = SCSI_SENSE_BUFFERSIZE;
                                 cmnd[5] = 0;
                                 /* Here's a quiet hack: the
                                  * REQUEST_SENSE command is six bytes,
@@ -1024,14 +1025,14 @@ process_script_interrupt(__u32 dsps, __u32 dsp, struct scsi_cmnd *SCp,
                                 SCp->cmd_len = 6; /* command length for
                                                    * REQUEST_SENSE */
                                 slot->pCmd = dma_map_single(hostdata->dev, cmnd, MAX_COMMAND_SIZE, DMA_TO_DEVICE);
-                                slot->dma_handle = dma_map_single(hostdata->dev, SCp->sense_buffer, sizeof(SCp->sense_buffer), DMA_FROM_DEVICE);
-                                slot->SG[0].ins = bS_to_host(SCRIPT_MOVE_DATA_IN | sizeof(SCp->sense_buffer));
+                                slot->dma_handle = dma_map_single(hostdata->dev, SCp->sense_buffer, SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE);
+                                slot->SG[0].ins = bS_to_host(SCRIPT_MOVE_DATA_IN | SCSI_SENSE_BUFFERSIZE);
                                 slot->SG[0].pAddr = bS_to_host(slot->dma_handle);
                                 slot->SG[1].ins = bS_to_host(SCRIPT_RETURN);
                                 slot->SG[1].pAddr = 0;
                                 slot->resume_offset = hostdata->pScript;
                                 dma_cache_sync(hostdata->dev, slot->SG, sizeof(slot->SG[0])*2, DMA_TO_DEVICE);
-                                dma_cache_sync(hostdata->dev, SCp->sense_buffer, sizeof(SCp->sense_buffer), DMA_FROM_DEVICE);
+                                dma_cache_sync(hostdata->dev, SCp->sense_buffer, SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE);
 
                                 /* queue the command for reissue */
                                 slot->state = NCR_700_SLOT_QUEUED;