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-rw-r--r--drivers/scsi/aha152x.c85
-rw-r--r--drivers/scsi/aha152x.h2
-rw-r--r--drivers/scsi/jazz_esp.c21
-rw-r--r--drivers/scsi/libata-core.c4
-rw-r--r--drivers/scsi/libata-scsi.c2
-rw-r--r--drivers/scsi/libata.h1
-rw-r--r--drivers/scsi/megaraid/megaraid_sas.c29
-rw-r--r--drivers/scsi/pcmcia/aha152x_stub.c4
-rw-r--r--drivers/scsi/sata_sil.c52
-rw-r--r--drivers/scsi/scsi_error.c4
-rw-r--r--drivers/scsi/scsi_lib.c2
-rw-r--r--drivers/scsi/scsi_scan.c16
-rw-r--r--drivers/scsi/scsi_transport_fc.c3
-rw-r--r--drivers/scsi/sd.c20
-rw-r--r--drivers/scsi/sg.c2
-rw-r--r--drivers/scsi/sym53c8xx_2/sym_hipd.c2
16 files changed, 157 insertions, 92 deletions
diff --git a/drivers/scsi/aha152x.c b/drivers/scsi/aha152x.c
index cb2ee25..531a1f9 100644
--- a/drivers/scsi/aha152x.c
+++ b/drivers/scsi/aha152x.c
@@ -1260,16 +1260,15 @@ static void free_hard_reset_SCs(struct Scsi_Host *shpnt, Scsi_Cmnd **SCs)
* Reset the bus
*
*/
-static int aha152x_bus_reset(Scsi_Cmnd *SCpnt)
+static int aha152x_bus_reset_host(struct Scsi_Host *shpnt)
{
- struct Scsi_Host *shpnt = SCpnt->device->host;
unsigned long flags;
DO_LOCK(flags);
#if defined(AHA152X_DEBUG)
if(HOSTDATA(shpnt)->debug & debug_eh) {
- printk(DEBUG_LEAD "aha152x_bus_reset(%p)", CMDINFO(SCpnt), SCpnt);
+ printk(KERN_DEBUG "scsi%d: bus reset", shpnt->host_no);
show_queues(shpnt);
}
#endif
@@ -1277,14 +1276,14 @@ static int aha152x_bus_reset(Scsi_Cmnd *SCpnt)
free_hard_reset_SCs(shpnt, &ISSUE_SC);
free_hard_reset_SCs(shpnt, &DISCONNECTED_SC);
- DPRINTK(debug_eh, DEBUG_LEAD "resetting bus\n", CMDINFO(SCpnt));
+ DPRINTK(debug_eh, KERN_DEBUG "scsi%d: resetting bus\n", shpnt->host_no);
SETPORT(SCSISEQ, SCSIRSTO);
mdelay(256);
SETPORT(SCSISEQ, 0);
mdelay(DELAY);
- DPRINTK(debug_eh, DEBUG_LEAD "bus resetted\n", CMDINFO(SCpnt));
+ DPRINTK(debug_eh, KERN_DEBUG "scsi%d: bus resetted\n", shpnt->host_no);
setup_expected_interrupts(shpnt);
if(HOSTDATA(shpnt)->commands==0)
@@ -1295,6 +1294,14 @@ static int aha152x_bus_reset(Scsi_Cmnd *SCpnt)
return SUCCESS;
}
+/*
+ * Reset the bus
+ *
+ */
+static int aha152x_bus_reset(Scsi_Cmnd *SCpnt)
+{
+ return aha152x_bus_reset_host(SCpnt->device->host);
+}
/*
* Restore default values to the AIC-6260 registers and reset the fifos
@@ -1337,23 +1344,28 @@ static void reset_ports(struct Scsi_Host *shpnt)
* Reset the host (bus and controller)
*
*/
-int aha152x_host_reset(Scsi_Cmnd * SCpnt)
+int aha152x_host_reset_host(struct Scsi_Host *shpnt)
{
-#if defined(AHA152X_DEBUG)
- struct Scsi_Host *shpnt = SCpnt->device->host;
-#endif
-
- DPRINTK(debug_eh, DEBUG_LEAD "aha152x_host_reset(%p)\n", CMDINFO(SCpnt), SCpnt);
+ DPRINTK(debug_eh, KERN_DEBUG "scsi%d: host reset\n", shpnt->host_no);
- aha152x_bus_reset(SCpnt);
+ aha152x_bus_reset_host(shpnt);
- DPRINTK(debug_eh, DEBUG_LEAD "resetting ports\n", CMDINFO(SCpnt));
- reset_ports(SCpnt->device->host);
+ DPRINTK(debug_eh, KERN_DEBUG "scsi%d: resetting ports\n", shpnt->host_no);
+ reset_ports(shpnt);
return SUCCESS;
}
/*
+ * Reset the host (bus and controller)
+ *
+ */
+static int aha152x_host_reset(Scsi_Cmnd *SCpnt)
+{
+ return aha152x_host_reset_host(SCpnt->device->host);
+}
+
+/*
* Return the "logical geometry"
*
*/
@@ -1431,22 +1443,18 @@ static void run(void)
{
int i;
for (i = 0; i<ARRAY_SIZE(aha152x_host); i++) {
- struct Scsi_Host *shpnt = aha152x_host[i];
- if (shpnt && HOSTDATA(shpnt)->service) {
- HOSTDATA(shpnt)->service=0;
- is_complete(shpnt);
- }
+ is_complete(aha152x_host[i]);
}
}
/*
- * Interrupts handler
+ * Interrupt handler
*
*/
-
static irqreturn_t intr(int irqno, void *dev_id, struct pt_regs *regs)
{
struct Scsi_Host *shpnt = lookup_irq(irqno);
+ unsigned long flags;
unsigned char rev, dmacntrl0;
if (!shpnt) {
@@ -1472,23 +1480,23 @@ static irqreturn_t intr(int irqno, void *dev_id, struct pt_regs *regs)
if ((rev == 0xFF) && (dmacntrl0 == 0xFF))
return IRQ_NONE;
+ if( TESTLO(DMASTAT, INTSTAT) )
+ return IRQ_NONE;
+
/* no more interrupts from the controller, while we're busy.
INTEN is restored by the BH handler */
CLRBITS(DMACNTRL0, INTEN);
-#if 0
- /* check if there is already something to be
- serviced; should not happen */
- if(HOSTDATA(shpnt)->service) {
- printk(KERN_ERR "aha152x%d: lost interrupt (%d)\n", HOSTNO, HOSTDATA(shpnt)->service);
- show_queues(shpnt);
+ DO_LOCK(flags);
+ if( HOSTDATA(shpnt)->service==0 ) {
+ HOSTDATA(shpnt)->service=1;
+
+ /* Poke the BH handler */
+ INIT_WORK(&aha152x_tq, (void *) run, NULL);
+ schedule_work(&aha152x_tq);
}
-#endif
-
- /* Poke the BH handler */
- HOSTDATA(shpnt)->service++;
- INIT_WORK(&aha152x_tq, (void *) run, NULL);
- schedule_work(&aha152x_tq);
+ DO_UNLOCK(flags);
+
return IRQ_HANDLED;
}
@@ -2527,7 +2535,18 @@ static void is_complete(struct Scsi_Host *shpnt)
unsigned long flags;
int pending;
+ if(!shpnt)
+ return;
+
DO_LOCK(flags);
+
+ if( HOSTDATA(shpnt)->service==0 ) {
+ DO_UNLOCK(flags);
+ return;
+ }
+
+ HOSTDATA(shpnt)->service = 0;
+
if(HOSTDATA(shpnt)->in_intr) {
DO_UNLOCK(flags);
/* aha152x_error never returns.. */
diff --git a/drivers/scsi/aha152x.h b/drivers/scsi/aha152x.h
index d277613..d2add24 100644
--- a/drivers/scsi/aha152x.h
+++ b/drivers/scsi/aha152x.h
@@ -332,6 +332,6 @@ struct aha152x_setup {
struct Scsi_Host *aha152x_probe_one(struct aha152x_setup *);
void aha152x_release(struct Scsi_Host *);
-int aha152x_host_reset(Scsi_Cmnd *);
+int aha152x_host_reset_host(struct Scsi_Host *);
#endif /* _AHA152X_H */
diff --git a/drivers/scsi/jazz_esp.c b/drivers/scsi/jazz_esp.c
index 23728d1..fcd304e 100644
--- a/drivers/scsi/jazz_esp.c
+++ b/drivers/scsi/jazz_esp.c
@@ -65,27 +65,6 @@ static int jazz_esp_release(struct Scsi_Host *shost)
return 0;
}
-static struct scsi_host_template driver_template = {
- .proc_name = "jazz_esp",
- .proc_info = &esp_proc_info,
- .name = "ESP 100/100a/200",
- .detect = jazz_esp_detect,
- .slave_alloc = esp_slave_alloc,
- .slave_destroy = esp_slave_destroy,
- .release = jazz_esp_release,
- .info = esp_info,
- .queuecommand = esp_queue,
- .eh_abort_handler = esp_abort,
- .eh_bus_reset_handler = esp_reset,
- .can_queue = 7,
- .this_id = 7,
- .sg_tablesize = SG_ALL,
- .cmd_per_lun = 1,
- .use_clustering = DISABLE_CLUSTERING,
-};
-
-#include "scsi_module.c"
-
/***************************************************************** Detection */
static int jazz_esp_detect(struct scsi_host_template *tpnt)
{
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 5f1d758..4f91b0d 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -82,6 +82,10 @@ int atapi_enabled = 0;
module_param(atapi_enabled, int, 0444);
MODULE_PARM_DESC(atapi_enabled, "Enable discovery of ATAPI devices (0=off, 1=on)");
+int libata_fua = 0;
+module_param_named(fua, libata_fua, int, 0444);
+MODULE_PARM_DESC(fua, "FUA support (0=off, 1=on)");
+
MODULE_AUTHOR("Jeff Garzik");
MODULE_DESCRIPTION("Library module for ATA devices");
MODULE_LICENSE("GPL");
diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c
index 07b1e7c..59503c9 100644
--- a/drivers/scsi/libata-scsi.c
+++ b/drivers/scsi/libata-scsi.c
@@ -1708,6 +1708,8 @@ static int ata_dev_supports_fua(u16 *id)
{
unsigned char model[41], fw[9];
+ if (!libata_fua)
+ return 0;
if (!ata_id_has_fua(id))
return 0;
diff --git a/drivers/scsi/libata.h b/drivers/scsi/libata.h
index e03ce48..fddaf47 100644
--- a/drivers/scsi/libata.h
+++ b/drivers/scsi/libata.h
@@ -41,6 +41,7 @@ struct ata_scsi_args {
/* libata-core.c */
extern int atapi_enabled;
+extern int libata_fua;
extern struct ata_queued_cmd *ata_qc_new_init(struct ata_port *ap,
struct ata_device *dev);
extern int ata_rwcmd_protocol(struct ata_queued_cmd *qc);
diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c
index 7de267e..4f39dd0 100644
--- a/drivers/scsi/megaraid/megaraid_sas.c
+++ b/drivers/scsi/megaraid/megaraid_sas.c
@@ -793,6 +793,20 @@ megasas_queue_command(struct scsi_cmnd *scmd, void (*done) (struct scsi_cmnd *))
return 0;
}
+static int megasas_slave_configure(struct scsi_device *sdev)
+{
+ /*
+ * Don't export physical disk devices to the disk driver.
+ *
+ * FIXME: Currently we don't export them to the midlayer at all.
+ * That will be fixed once LSI engineers have audited the
+ * firmware for possible issues.
+ */
+ if (sdev->channel < MEGASAS_MAX_PD_CHANNELS && sdev->type == TYPE_DISK)
+ return -ENXIO;
+ return 0;
+}
+
/**
* megasas_wait_for_outstanding - Wait for all outstanding cmds
* @instance: Adapter soft state
@@ -943,6 +957,7 @@ static struct scsi_host_template megasas_template = {
.module = THIS_MODULE,
.name = "LSI Logic SAS based MegaRAID driver",
.proc_name = "megaraid_sas",
+ .slave_configure = megasas_slave_configure,
.queuecommand = megasas_queue_command,
.eh_device_reset_handler = megasas_reset_device,
.eh_bus_reset_handler = megasas_reset_bus_host,
@@ -1071,20 +1086,6 @@ megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd,
break;
}
- /*
- * Don't export physical disk devices to mid-layer.
- */
- if (!MEGASAS_IS_LOGICAL(cmd->scmd) &&
- (hdr->cmd_status == MFI_STAT_OK) &&
- (cmd->scmd->cmnd[0] == INQUIRY)) {
-
- if (((*(u8 *) cmd->scmd->request_buffer) & 0x1F) ==
- TYPE_DISK) {
- cmd->scmd->result = DID_BAD_TARGET << 16;
- exception = 1;
- }
- }
-
case MFI_CMD_LD_READ:
case MFI_CMD_LD_WRITE:
diff --git a/drivers/scsi/pcmcia/aha152x_stub.c b/drivers/scsi/pcmcia/aha152x_stub.c
index 0c9edb7..5609847 100644
--- a/drivers/scsi/pcmcia/aha152x_stub.c
+++ b/drivers/scsi/pcmcia/aha152x_stub.c
@@ -275,10 +275,8 @@ static int aha152x_resume(struct pcmcia_device *dev)
link->state &= ~DEV_SUSPEND;
if (link->state & DEV_CONFIG) {
- Scsi_Cmnd tmp;
pcmcia_request_configuration(link->handle, &link->conf);
- tmp.device->host = info->host;
- aha152x_host_reset(&tmp);
+ aha152x_host_reset_host(info->host);
}
return 0;
diff --git a/drivers/scsi/sata_sil.c b/drivers/scsi/sata_sil.c
index 17f74d3..9face3c 100644
--- a/drivers/scsi/sata_sil.c
+++ b/drivers/scsi/sata_sil.c
@@ -49,11 +49,13 @@
#define DRV_VERSION "0.9"
enum {
+ SIL_FLAG_RERR_ON_DMA_ACT = (1 << 29),
SIL_FLAG_MOD15WRITE = (1 << 30),
sil_3112 = 0,
sil_3112_m15w = 1,
- sil_3114 = 2,
+ sil_3512 = 2,
+ sil_3114 = 3,
SIL_FIFO_R0 = 0x40,
SIL_FIFO_W0 = 0x41,
@@ -90,7 +92,7 @@ static void sil_post_set_mode (struct ata_port *ap);
static const struct pci_device_id sil_pci_tbl[] = {
{ 0x1095, 0x3112, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sil_3112_m15w },
{ 0x1095, 0x0240, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sil_3112_m15w },
- { 0x1095, 0x3512, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sil_3112 },
+ { 0x1095, 0x3512, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sil_3512 },
{ 0x1095, 0x3114, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sil_3114 },
{ 0x1002, 0x436e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sil_3112_m15w },
{ 0x1002, 0x4379, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sil_3112_m15w },
@@ -185,7 +187,8 @@ static const struct ata_port_info sil_port_info[] = {
.mwdma_mask = 0x07, /* mwdma0-2 */
.udma_mask = 0x3f, /* udma0-5 */
.port_ops = &sil_ops,
- }, /* sil_3112_15w - keep it sync'd w/ sil_3112 */
+ },
+ /* sil_3112_15w - keep it sync'd w/ sil_3112 */
{
.sht = &sil_sht,
.host_flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
@@ -195,11 +198,24 @@ static const struct ata_port_info sil_port_info[] = {
.mwdma_mask = 0x07, /* mwdma0-2 */
.udma_mask = 0x3f, /* udma0-5 */
.port_ops = &sil_ops,
- }, /* sil_3114 */
+ },
+ /* sil_3512 */
{
.sht = &sil_sht,
.host_flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
- ATA_FLAG_SRST | ATA_FLAG_MMIO,
+ ATA_FLAG_SRST | ATA_FLAG_MMIO |
+ SIL_FLAG_RERR_ON_DMA_ACT,
+ .pio_mask = 0x1f, /* pio0-4 */
+ .mwdma_mask = 0x07, /* mwdma0-2 */
+ .udma_mask = 0x3f, /* udma0-5 */
+ .port_ops = &sil_ops,
+ },
+ /* sil_3114 */
+ {
+ .sht = &sil_sht,
+ .host_flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
+ ATA_FLAG_SRST | ATA_FLAG_MMIO |
+ SIL_FLAG_RERR_ON_DMA_ACT,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
.udma_mask = 0x3f, /* udma0-5 */
@@ -216,12 +232,13 @@ static const struct {
unsigned long scr; /* SATA control register block */
unsigned long sien; /* SATA Interrupt Enable register */
unsigned long xfer_mode;/* data transfer mode register */
+ unsigned long sfis_cfg; /* SATA FIS reception config register */
} sil_port[] = {
/* port 0 ... */
- { 0x80, 0x8A, 0x00, 0x100, 0x148, 0xb4 },
- { 0xC0, 0xCA, 0x08, 0x180, 0x1c8, 0xf4 },
- { 0x280, 0x28A, 0x200, 0x300, 0x348, 0x2b4 },
- { 0x2C0, 0x2CA, 0x208, 0x380, 0x3c8, 0x2f4 },
+ { 0x80, 0x8A, 0x00, 0x100, 0x148, 0xb4, 0x14c },
+ { 0xC0, 0xCA, 0x08, 0x180, 0x1c8, 0xf4, 0x1cc },
+ { 0x280, 0x28A, 0x200, 0x300, 0x348, 0x2b4, 0x34c },
+ { 0x2C0, 0x2CA, 0x208, 0x380, 0x3c8, 0x2f4, 0x3cc },
/* ... port 3 */
};
@@ -471,6 +488,23 @@ static int sil_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
dev_printk(KERN_WARNING, &pdev->dev,
"cache line size not set. Driver may not function\n");
+ /* Apply R_ERR on DMA activate FIS errata workaround */
+ if (probe_ent->host_flags & SIL_FLAG_RERR_ON_DMA_ACT) {
+ int cnt;
+
+ for (i = 0, cnt = 0; i < probe_ent->n_ports; i++) {
+ tmp = readl(mmio_base + sil_port[i].sfis_cfg);
+ if ((tmp & 0x3) != 0x01)
+ continue;
+ if (!cnt)
+ dev_printk(KERN_INFO, &pdev->dev,
+ "Applying R_ERR on DMA activate "
+ "FIS errata fix\n");
+ writel(tmp & ~0x3, mmio_base + sil_port[i].sfis_cfg);
+ cnt++;
+ }
+ }
+
if (ent->driver_data == sil_3114) {
irq_mask = SIL_MASK_4PORT;
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 5cc97b7..ff82ccf 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -1308,7 +1308,7 @@ int scsi_decide_disposition(struct scsi_cmnd *scmd)
* the request was not marked fast fail. Note that above,
* even if the request is marked fast fail, we still requeue
* for queue congestion conditions (QUEUE_FULL or BUSY) */
- if ((++scmd->retries) < scmd->allowed
+ if ((++scmd->retries) <= scmd->allowed
&& !blk_noretry_request(scmd->request)) {
return NEEDS_RETRY;
} else {
@@ -1433,7 +1433,7 @@ static void scsi_eh_flush_done_q(struct list_head *done_q)
list_del_init(&scmd->eh_entry);
if (scsi_device_online(scmd->device) &&
!blk_noretry_request(scmd->request) &&
- (++scmd->retries < scmd->allowed)) {
+ (++scmd->retries <= scmd->allowed)) {
SCSI_LOG_ERROR_RECOVERY(3, printk("%s: flush"
" retry cmd: %p\n",
current->comm,
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 4362dcd..701a328 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1498,7 +1498,7 @@ static void scsi_kill_request(struct request *req, request_queue_t *q)
static void scsi_softirq_done(struct request *rq)
{
struct scsi_cmnd *cmd = rq->completion_data;
- unsigned long wait_for = cmd->allowed * cmd->timeout_per_command;
+ unsigned long wait_for = (cmd->allowed + 1) * cmd->timeout_per_command;
int disposition;
INIT_LIST_HEAD(&cmd->eh_entry);
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 5acb83c..f9ecc3d 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -752,8 +752,20 @@ static int scsi_add_lun(struct scsi_device *sdev, char *inq_result, int *bflags)
transport_configure_device(&sdev->sdev_gendev);
- if (sdev->host->hostt->slave_configure)
- sdev->host->hostt->slave_configure(sdev);
+ if (sdev->host->hostt->slave_configure) {
+ int ret = sdev->host->hostt->slave_configure(sdev);
+ if (ret) {
+ /*
+ * if LLDD reports slave not present, don't clutter
+ * console with alloc failure messages
+ */
+ if (ret != -ENXIO) {
+ sdev_printk(KERN_ERR, sdev,
+ "failed to configure device\n");
+ }
+ return SCSI_SCAN_NO_RESPONSE;
+ }
+ }
/*
* Ok, the device is now all set up, we can
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index f2c9acf..929032e 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -1498,8 +1498,7 @@ fc_remote_port_add(struct Scsi_Host *shost, int channel,
}
/* Search the bindings array */
- if (likely((ids->roles & FC_RPORT_ROLE_FCP_TARGET) &&
- (fc_host_tgtid_bind_type(shost) != FC_TGTID_BIND_NONE))) {
+ if (fc_host_tgtid_bind_type(shost) != FC_TGTID_BIND_NONE) {
/* search for a matching consistent binding */
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 930db39..9d98723 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -89,6 +89,11 @@
#define SD_MAX_RETRIES 5
#define SD_PASSTHROUGH_RETRIES 1
+/*
+ * Size of the initial data buffer for mode and read capacity data
+ */
+#define SD_BUF_SIZE 512
+
static void scsi_disk_release(struct kref *kref);
struct scsi_disk {
@@ -1239,7 +1244,7 @@ sd_do_mode_sense(struct scsi_device *sdp, int dbd, int modepage,
/*
* read write protect setting, if possible - called only in sd_revalidate_disk()
- * called with buffer of length 512
+ * called with buffer of length SD_BUF_SIZE
*/
static void
sd_read_write_protect_flag(struct scsi_disk *sdkp, char *diskname,
@@ -1297,7 +1302,7 @@ sd_read_write_protect_flag(struct scsi_disk *sdkp, char *diskname,
/*
* sd_read_cache_type - called only from sd_revalidate_disk()
- * called with buffer of length 512
+ * called with buffer of length SD_BUF_SIZE
*/
static void
sd_read_cache_type(struct scsi_disk *sdkp, char *diskname,
@@ -1342,6 +1347,8 @@ sd_read_cache_type(struct scsi_disk *sdkp, char *diskname,
/* Take headers and block descriptors into account */
len += data.header_length + data.block_descriptor_length;
+ if (len > SD_BUF_SIZE)
+ goto bad_sense;
/* Get the data */
res = sd_do_mode_sense(sdp, dbd, modepage, buffer, len, &data, &sshdr);
@@ -1354,6 +1361,12 @@ sd_read_cache_type(struct scsi_disk *sdkp, char *diskname,
int ct = 0;
int offset = data.header_length + data.block_descriptor_length;
+ if (offset >= SD_BUF_SIZE - 2) {
+ printk(KERN_ERR "%s: malformed MODE SENSE response",
+ diskname);
+ goto defaults;
+ }
+
if ((buffer[offset] & 0x3f) != modepage) {
printk(KERN_ERR "%s: got wrong page\n", diskname);
goto defaults;
@@ -1398,6 +1411,7 @@ defaults:
diskname);
sdkp->WCE = 0;
sdkp->RCD = 0;
+ sdkp->DPOFUA = 0;
}
/**
@@ -1421,7 +1435,7 @@ static int sd_revalidate_disk(struct gendisk *disk)
if (!scsi_device_online(sdp))
goto out;
- buffer = kmalloc(512, GFP_KERNEL | __GFP_DMA);
+ buffer = kmalloc(SD_BUF_SIZE, GFP_KERNEL | __GFP_DMA);
if (!buffer) {
printk(KERN_WARNING "(sd_revalidate_disk:) Memory allocation "
"failure.\n");
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 2a54753..5a0a193 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -2162,7 +2162,7 @@ sg_link_reserve(Sg_fd * sfp, Sg_request * srp, int size)
srp->res_used = 1;
SCSI_LOG_TIMEOUT(4, printk("sg_link_reserve: size=%d\n", size));
- rem = size = (size + 1) & (~1); /* round to even for aha1542 */
+ rem = size;
for (k = 0; k < rsv_schp->k_use_sg; ++k, ++sg) {
num = sg->length;
diff --git a/drivers/scsi/sym53c8xx_2/sym_hipd.c b/drivers/scsi/sym53c8xx_2/sym_hipd.c
index f4854c3..2627000 100644
--- a/drivers/scsi/sym53c8xx_2/sym_hipd.c
+++ b/drivers/scsi/sym53c8xx_2/sym_hipd.c
@@ -919,6 +919,8 @@ static int sym_prepare_setting(struct Scsi_Host *shost, struct sym_hcb *np, stru
tp->usrflags |= (SYM_DISC_ENABLED | SYM_TAGS_ENABLED);
tp->usrtags = SYM_SETUP_MAX_TAG;
+ tp->usr_width = np->maxwide;
+ tp->usr_period = 9;
sym_nvram_setup_target(tp, i, nvram);
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