diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c
index 587eac9..2b34435 100644
--- a/drivers/scsi/advansys.c
+++ b/drivers/scsi/advansys.c
@@ -3951,7 +3951,7 @@
 
 /* Number of boards detected in system. */
 STATIC int asc_board_count = 0;
-STATIC struct Scsi_Host    *asc_host[ASC_NUM_BOARD_SUPPORTED] = { 0 };
+STATIC struct Scsi_Host    *asc_host[ASC_NUM_BOARD_SUPPORTED] = { NULL };
 
 /* Overrun buffer used by all narrow boards. */
 STATIC uchar overrun_buf[ASC_OVERRUN_BSIZE] = { 0 };
@@ -6621,7 +6621,7 @@
 	        dma_map_single(dev, scp->request_buffer,
 			       scp->request_bufflen, scp->sc_data_direction);
 	} else {
-	    scsiqp->vdata_addr = 0;
+	    scsiqp->vdata_addr = NULL;
 	    scp->SCp.dma_handle = 0;
 	}
 	scsiqp->data_addr = cpu_to_le32(scp->SCp.dma_handle);