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-rw-r--r--drivers/scsi/hpsa.h2
-rw-r--r--drivers/scsi/libsas/sas_expander.c3
-rw-r--r--drivers/scsi/pmcraid.c3
-rw-r--r--drivers/scsi/scsi_devinfo.c2
-rw-r--r--drivers/scsi/scsi_lib.c2
-rw-r--r--drivers/scsi/ses.c6
-rw-r--r--drivers/scsi/sr.c46
-rw-r--r--drivers/scsi/sr.h7
8 files changed, 65 insertions, 6 deletions
diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h
index 6d8dcd4..7f53cea 100644
--- a/drivers/scsi/hpsa.h
+++ b/drivers/scsi/hpsa.h
@@ -214,7 +214,7 @@ static void SA5_submit_command(struct ctlr_info *h,
dev_dbg(&h->pdev->dev, "Sending %x, tag = %x\n", c->busaddr,
c->Header.Tag.lower);
writel(c->busaddr, h->vaddr + SA5_REQUEST_PORT_OFFSET);
- (void) readl(h->vaddr + SA5_REQUEST_PORT_OFFSET);
+ (void) readl(h->vaddr + SA5_SCRATCHPAD_OFFSET);
h->commands_outstanding++;
if (h->commands_outstanding > h->max_outstanding)
h->max_outstanding = h->commands_outstanding;
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index 874e29d..f84084b 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -849,6 +849,9 @@ static struct domain_device *sas_ex_discover_expander(
res = sas_discover_expander(child);
if (res) {
+ spin_lock_irq(&parent->port->dev_list_lock);
+ list_del(&child->dev_list_node);
+ spin_unlock_irq(&parent->port->dev_list_lock);
kfree(child);
return NULL;
}
diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c
index fca6a89..d079f9a 100644
--- a/drivers/scsi/pmcraid.c
+++ b/drivers/scsi/pmcraid.c
@@ -3871,6 +3871,9 @@ static long pmcraid_ioctl_passthrough(
pmcraid_err("couldn't build passthrough ioadls\n");
goto out_free_buffer;
}
+ } else if (request_size < 0) {
+ rc = -EINVAL;
+ goto out_free_buffer;
}
/* If data is being written into the device, copy the data from user
diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c
index 82e9e5c..cf8dfab 100644
--- a/drivers/scsi/scsi_devinfo.c
+++ b/drivers/scsi/scsi_devinfo.c
@@ -197,6 +197,7 @@ static struct {
{"IBM", "ProFibre 4000R", "*", BLIST_SPARSELUN | BLIST_LARGELUN},
{"IBM", "2105", NULL, BLIST_RETRY_HWERROR},
{"iomega", "jaz 1GB", "J.86", BLIST_NOTQ | BLIST_NOLUN},
+ {"IOMEGA", "ZIP", NULL, BLIST_NOTQ | BLIST_NOLUN},
{"IOMEGA", "Io20S *F", NULL, BLIST_KEY},
{"INSITE", "Floptical F*8I", NULL, BLIST_KEY},
{"INSITE", "I325VM", NULL, BLIST_KEY},
@@ -243,6 +244,7 @@ static struct {
{"Tornado-", "F4", "*", BLIST_NOREPORTLUN},
{"TOSHIBA", "CDROM", NULL, BLIST_ISROM},
{"TOSHIBA", "CD-ROM", NULL, BLIST_ISROM},
+ {"Traxdata", "CDR4120", NULL, BLIST_NOLUN}, /* locks up */
{"USB2.0", "SMARTMEDIA/XD", NULL, BLIST_FORCELUN | BLIST_INQUIRY_36},
{"WangDAT", "Model 2600", "01.7", BLIST_SELECT_NO_ATN},
{"WangDAT", "Model 3200", "02.2", BLIST_SELECT_NO_ATN},
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index ec1803a..28d9c9d 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -213,6 +213,8 @@ int scsi_execute(struct scsi_device *sdev, const unsigned char *cmd,
int ret = DRIVER_ERROR << 24;
req = blk_get_request(sdev->request_queue, write, __GFP_WAIT);
+ if (!req)
+ return ret;
if (bufflen && blk_rq_map_kern(sdev->request_queue, req,
buffer, bufflen, __GFP_WAIT))
diff --git a/drivers/scsi/ses.c b/drivers/scsi/ses.c
index eb7a3e8..eba183c 100644
--- a/drivers/scsi/ses.c
+++ b/drivers/scsi/ses.c
@@ -160,6 +160,10 @@ static unsigned char *ses_get_page2_descriptor(struct enclosure_device *edev,
return NULL;
}
+/* For device slot and array device slot elements, byte 3 bit 6
+ * is "fault sensed" while byte 3 bit 5 is "fault reqstd". As this
+ * code stands these bits are shifted 4 positions right so in
+ * sysfs they will appear as bits 2 and 1 respectively. Strange. */
static void ses_get_fault(struct enclosure_device *edev,
struct enclosure_component *ecomp)
{
@@ -181,7 +185,7 @@ static int ses_set_fault(struct enclosure_device *edev,
/* zero is disabled */
break;
case ENCLOSURE_SETTING_ENABLED:
- desc[2] = 0x02;
+ desc[3] = 0x20;
break;
default:
/* SES doesn't do the SGPIO blink settings */
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index 4778e27..5fc97d2 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -221,14 +221,33 @@ static unsigned int sr_check_events(struct cdrom_device_info *cdi,
return 0;
events = sr_get_events(cd->device);
+ cd->get_event_changed |= events & DISK_EVENT_MEDIA_CHANGE;
+
+ /*
+ * If earlier GET_EVENT_STATUS_NOTIFICATION and TUR did not agree
+ * for several times in a row. We rely on TUR only for this likely
+ * broken device, to prevent generating incorrect media changed
+ * events for every open().
+ */
+ if (cd->ignore_get_event) {
+ events &= ~DISK_EVENT_MEDIA_CHANGE;
+ goto do_tur;
+ }
+
/*
* GET_EVENT_STATUS_NOTIFICATION is enough unless MEDIA_CHANGE
* is being cleared. Note that there are devices which hang
* if asked to execute TUR repeatedly.
*/
- if (!(clearing & DISK_EVENT_MEDIA_CHANGE))
- goto skip_tur;
+ if (cd->device->changed) {
+ events |= DISK_EVENT_MEDIA_CHANGE;
+ cd->device->changed = 0;
+ cd->tur_changed = true;
+ }
+ if (!(clearing & DISK_EVENT_MEDIA_CHANGE))
+ return events;
+do_tur:
/* let's see whether the media is there with TUR */
last_present = cd->media_present;
ret = scsi_test_unit_ready(cd->device, SR_TIMEOUT, MAX_RETRIES, &sshdr);
@@ -242,12 +261,31 @@ static unsigned int sr_check_events(struct cdrom_device_info *cdi,
(scsi_sense_valid(&sshdr) && sshdr.asc != 0x3a);
if (last_present != cd->media_present)
- events |= DISK_EVENT_MEDIA_CHANGE;
-skip_tur:
+ cd->device->changed = 1;
+
if (cd->device->changed) {
events |= DISK_EVENT_MEDIA_CHANGE;
cd->device->changed = 0;
+ cd->tur_changed = true;
+ }
+
+ if (cd->ignore_get_event)
+ return events;
+
+ /* check whether GET_EVENT is reporting spurious MEDIA_CHANGE */
+ if (!cd->tur_changed) {
+ if (cd->get_event_changed) {
+ if (cd->tur_mismatch++ > 8) {
+ sdev_printk(KERN_WARNING, cd->device,
+ "GET_EVENT and TUR disagree continuously, suppress GET_EVENT events\n");
+ cd->ignore_get_event = true;
+ }
+ } else {
+ cd->tur_mismatch = 0;
+ }
}
+ cd->tur_changed = false;
+ cd->get_event_changed = false;
return events;
}
diff --git a/drivers/scsi/sr.h b/drivers/scsi/sr.h
index e036f1d..37c8f6b 100644
--- a/drivers/scsi/sr.h
+++ b/drivers/scsi/sr.h
@@ -41,6 +41,13 @@ typedef struct scsi_cd {
unsigned readcd_known:1; /* drive supports READ_CD (0xbe) */
unsigned readcd_cdda:1; /* reading audio data using READ_CD */
unsigned media_present:1; /* media is present */
+
+ /* GET_EVENT spurious event handling, blk layer guarantees exclusion */
+ int tur_mismatch; /* nr of get_event TUR mismatches */
+ bool tur_changed:1; /* changed according to TUR */
+ bool get_event_changed:1; /* changed according to GET_EVENT */
+ bool ignore_get_event:1; /* GET_EVENT is unreliable, use TUR */
+
struct cdrom_device_info cdi;
/* We hold gendisk and scsi_device references on probe and use
* the refs on this kref to decide when to release them */
generated by cgit v1.1 at 2025-08-21 23:54:33 +0000