1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c
index f4c4fe90240a..f5a9addb7050 100644
--- a/drivers/scsi/53c700.c
+++ b/drivers/scsi/53c700.c
@@ -599,7 +599,7 @@ NCR_700_scsi_done(struct NCR_700_Host_Parameters *hostdata,
                         (struct NCR_700_command_slot *)SCp->host_scribble;
                 
                 dma_unmap_single(hostdata->dev, slot->pCmd,
-                                 sizeof(SCp->cmnd), DMA_TO_DEVICE);
+                                 MAX_COMMAND_SIZE, DMA_TO_DEVICE);
                 if (slot->flags == NCR_700_FLAG_AUTOSENSE) {
                         char *cmnd = NCR_700_get_sense_cmnd(SCp->device);
 #ifdef NCR_700_DEBUG
@@ -1004,7 +1004,7 @@ process_script_interrupt(__u32 dsps, __u32 dsp, struct scsi_cmnd *SCp,
                                  * here */
                                 NCR_700_unmap(hostdata, SCp, slot);
                                 dma_unmap_single(hostdata->dev, slot->pCmd,
-                                                 sizeof(SCp->cmnd),
+                                                 MAX_COMMAND_SIZE,
                                                  DMA_TO_DEVICE);
 
                                 cmnd[0] = REQUEST_SENSE;
@@ -1901,7 +1901,7 @@ NCR_700_queuecommand(struct scsi_cmnd *SCp, void (*done)(struct scsi_cmnd *))
         }
         slot->resume_offset = 0;
         slot->pCmd = dma_map_single(hostdata->dev, SCp->cmnd,
-                                    sizeof(SCp->cmnd), DMA_TO_DEVICE);
+                                    MAX_COMMAND_SIZE, DMA_TO_DEVICE);
         NCR_700_start_command(SCp);
         return 0;
 }