[SCSI] audit drivers for incorrect max_id use

max_id now means the maximum number of ids on the bus, which means it
is one greater than the largest possible id number.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

drivers/scsi/53c700.c

@@ -376,7 +376,7 @@ NCR_700_detect(struct scsi_host_template *tpnt,
 	dma_sync_single_for_device(hostdata->dev, pScript, sizeof(SCRIPT), DMA_TO_DEVICE);
 	hostdata->state = NCR_700_HOST_FREE;
 	hostdata->cmd = NULL;
-	host->max_id = 7;
+	host->max_id = 8;
 	host->max_lun = NCR_700_MAX_LUNS;
 	BUG_ON(NCR_700_transport_template == NULL);
 	host->transportt = NCR_700_transport_template;

drivers/scsi/53c7xx.c

@@ -709,7 +709,7 @@ request_synchronous (int host, int target) {
 	printk (KERN_ALERT "target %d is host ID\n", target);
 	return -1;
     } 
-    else if (target > h->max_id) {
+    else if (target >= h->max_id) {
 	printk (KERN_ALERT "target %d exceeds maximum of %d\n", target,
 	    h->max_id);
 	return -1;
@@ -3622,7 +3622,7 @@ NCR53c7xx_queue_command (Scsi_Cmnd *cmd, void (* done)(Scsi_Cmnd *)) {
 #ifdef LINUX_1_2
 	|| cmd->device->id > 7
 #else
-	|| cmd->device->id > host->max_id
+	|| cmd->device->id >= host->max_id
 #endif
 	|| cmd->device->id == host->this_id
 	|| hostdata->state == STATE_DISABLED) {

drivers/scsi/aic7xxx/aic79xx_core.c

@@ -9396,8 +9396,8 @@ ahd_find_tmode_devs(struct ahd_softc *ahd, struct cam_sim *sim, union ccb *ccb,
 	} else {
 		u_int max_id;
 
-		max_id = (ahd->features & AHD_WIDE) ? 15 : 7;
-		if (ccb->ccb_h.target_id > max_id)
+		max_id = (ahd->features & AHD_WIDE) ? 16 : 8;
+		if (ccb->ccb_h.target_id >= max_id)
 			return (CAM_TID_INVALID);
 
 		if (ccb->ccb_h.target_lun >= AHD_NUM_LUNS)

drivers/scsi/aic7xxx/aic7xxx_core.c

@@ -6774,8 +6774,8 @@ ahc_find_tmode_devs(struct ahc_softc *ahc, struct cam_sim *sim, union ccb *ccb,
 	} else {
 		u_int max_id;
 
-		max_id = (ahc->features & AHC_WIDE) ? 15 : 7;
-		if (ccb->ccb_h.target_id > max_id)
+		max_id = (ahc->features & AHC_WIDE) ? 16 : 8;
+		if (ccb->ccb_h.target_id >= max_id)
 			return (CAM_TID_INVALID);
 
 		if (ccb->ccb_h.target_lun >= AHC_NUM_LUNS)

drivers/scsi/atp870u.c

@@ -3047,7 +3047,7 @@ static int atp870u_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		if (atp_dev.chip_ver == 4)
 			shpnt->max_id = 16;
 		else		
-			shpnt->max_id = 7;
+			shpnt->max_id = 8;
 		shpnt->this_id = host_id;
 		shpnt->unique_id = base_io;
 		shpnt->io_port = base_io;