From 2b89dad0c7e3b03d45d9674ee9a7b49670df098e Mon Sep 17 00:00:00 2001
From: Hannes Reinecke <hare@suse.de>
Date: Tue, 23 May 2006 10:29:28 +0200
Subject: [PATCH] [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 | 2 +-
drivers/scsi/53c7xx.c | 4 ++--
drivers/scsi/aic7xxx/aic79xx_core.c | 4 ++--
drivers/scsi/aic7xxx/aic7xxx_core.c | 4 ++--
drivers/scsi/atp870u.c | 2 +-
5 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c
index 6a0f9506ea00..b767918b9a98 100644
--- a/drivers/scsi/53c700.c
+++ b/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;
diff --git a/drivers/scsi/53c7xx.c b/drivers/scsi/53c7xx.c
index 7894b8ea84bd..cfc991271cc8 100644
--- a/drivers/scsi/53c7xx.c
+++ b/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) {
diff --git a/drivers/scsi/aic7xxx/aic79xx_core.c b/drivers/scsi/aic7xxx/aic79xx_core.c
index 08771f6f6859..e14244aa69d7 100644
--- a/drivers/scsi/aic7xxx/aic79xx_core.c
+++ b/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)
diff --git a/drivers/scsi/aic7xxx/aic7xxx_core.c b/drivers/scsi/aic7xxx/aic7xxx_core.c
index d37566978fba..50a3dd047cfe 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_core.c
+++ b/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)
diff --git a/drivers/scsi/atp870u.c b/drivers/scsi/atp870u.c
index a198d86667e9..58d7e34807aa 100644
--- a/drivers/scsi/atp870u.c
+++ b/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;
--
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