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Subject[GIT PULL] final round of SCSI updates for the 4.17+ merge window
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Date
This is a set of minor (and safe changes) that didn't make the initial
pull request plus some bug fixes.  

The patch is available here:

git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git scsi-fixes

The short changelog is:

Anil Gurumurthy (1):
scsi: qla2xxx: Mask off Scope bits in retry delay

Christoph Hellwig (1):
scsi: aacraid: remove bogus GFP_DMA32 specifies

Colin Ian King (1):
scsi: aic7xxx: aic79xx: fix potential null pointer dereference on ahd

Damien Le Moal (1):
scsi: sd_zbc: Fix sd_zbc_check_zone_size() error path

Himanshu Madhani (1):
scsi: qla2xxx: Fix setting lower transfer speed if GPSC fails

Rodrigo R. Galvao (1):
scsi: qla2xxx: Fix crash on qla2x00_mailbox_command

Sinan Kaya (1):
scsi: hpsa: disable device during shutdown

Tomas Henzl (1):
scsi: mpt3sas: Add an I/O barrier

And the diffstat:

drivers/scsi/aacraid/commctrl.c | 4 ++--
drivers/scsi/aic7xxx/aic79xx_core.c | 8 ++++----
drivers/scsi/hpsa.c | 10 ++++++++--
drivers/scsi/mpt3sas/mpt3sas_base.c | 1 +
drivers/scsi/qla2xxx/qla_init.c | 3 ++-
drivers/scsi/qla2xxx/qla_isr.c | 8 ++++++--
drivers/scsi/qla2xxx/qla_mbx.c | 8 ++++++++
drivers/scsi/sd_zbc.c | 2 +-
8 files changed, 32 insertions(+), 12 deletions(-)

With full diff below.

James

---

diff --git a/drivers/scsi/aacraid/commctrl.c b/drivers/scsi/aacraid/commctrl.c
index a2b3430072c7..25f6600d6c09 100644
--- a/drivers/scsi/aacraid/commctrl.c
+++ b/drivers/scsi/aacraid/commctrl.c
@@ -845,7 +845,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
rcode = -EINVAL;
goto cleanup;
}
- p = kmalloc(sg_count[i], GFP_KERNEL|GFP_DMA32);
+ p = kmalloc(sg_count[i], GFP_KERNEL);
if (!p) {
dprintk((KERN_DEBUG"aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
sg_count[i], i, usg->count));
@@ -886,7 +886,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
rcode = -EINVAL;
goto cleanup;
}
- p = kmalloc(sg_count[i], GFP_KERNEL|GFP_DMA32);
+ p = kmalloc(sg_count[i], GFP_KERNEL);
if (!p) {
dprintk((KERN_DEBUG"aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
sg_count[i], i, upsg->count));
diff --git a/drivers/scsi/aic7xxx/aic79xx_core.c b/drivers/scsi/aic7xxx/aic79xx_core.c
index 034f4eebb160..3efd4cdc40a0 100644
--- a/drivers/scsi/aic7xxx/aic79xx_core.c
+++ b/drivers/scsi/aic7xxx/aic79xx_core.c
@@ -6112,10 +6112,6 @@ ahd_alloc(void *platform_arg, char *name)
ahd->int_coalescing_stop_threshold =
AHD_INT_COALESCING_STOP_THRESHOLD_DEFAULT;

- if (ahd_platform_alloc(ahd, platform_arg) != 0) {
- ahd_free(ahd);
- ahd = NULL;
- }
#ifdef AHD_DEBUG
if ((ahd_debug & AHD_SHOW_MEMORY) != 0) {
printk("%s: scb size = 0x%x, hscb size = 0x%x\n",
@@ -6123,6 +6119,10 @@ ahd_alloc(void *platform_arg, char *name)
(u_int)sizeof(struct hardware_scb));
}
#endif
+ if (ahd_platform_alloc(ahd, platform_arg) != 0) {
+ ahd_free(ahd);
+ ahd = NULL;
+ }
return (ahd);
}

diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 3a9eca163db8..b92f86acb8bb 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -8869,7 +8869,7 @@ static void hpsa_disable_rld_caching(struct ctlr_info *h)
kfree(options);
}

-static void hpsa_shutdown(struct pci_dev *pdev)
+static void __hpsa_shutdown(struct pci_dev *pdev)
{
struct ctlr_info *h;

@@ -8884,6 +8884,12 @@ static void hpsa_shutdown(struct pci_dev *pdev)
hpsa_disable_interrupt_mode(h); /* pci_init 2 */
}

+static void hpsa_shutdown(struct pci_dev *pdev)
+{
+ __hpsa_shutdown(pdev);
+ pci_disable_device(pdev);
+}
+
static void hpsa_free_device_info(struct ctlr_info *h)
{
int i;
@@ -8927,7 +8933,7 @@ static void hpsa_remove_one(struct pci_dev *pdev)
scsi_remove_host(h->scsi_host); /* init_one 8 */
/* includes hpsa_free_irqs - init_one 4 */
/* includes hpsa_disable_interrupt_mode - pci_init 2 */
- hpsa_shutdown(pdev);
+ __hpsa_shutdown(pdev);

hpsa_free_device_info(h); /* scan */

diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index 61f93a134956..293f04119eba 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -3344,6 +3344,7 @@ _base_mpi_ep_writeq(__u64 b, volatile void __iomem *addr,
spin_lock_irqsave(writeq_lock, flags);
writel((u32)(data_out), addr);
writel((u32)(data_out >> 32), (addr + 4));
+ mmiowb();
spin_unlock_irqrestore(writeq_lock, flags);
}

diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 8f55dd44adae..636960ad029a 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -5037,7 +5037,8 @@ qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
return;

if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
- fcport->fp_speed > ha->link_data_rate)
+ fcport->fp_speed > ha->link_data_rate ||
+ !ha->flags.gpsc_supported)
return;

rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index a3dc83f9444d..68560a097ae1 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -2494,8 +2494,12 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
ox_id = le16_to_cpu(sts24->ox_id);
par_sense_len = sizeof(sts24->data);
/* Valid values of the retry delay timer are 0x1-0xffef */
- if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1)
- retry_delay = sts24->retry_delay;
+ if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1) {
+ retry_delay = sts24->retry_delay & 0x3fff;
+ ql_dbg(ql_dbg_io, sp->vha, 0x3033,
+ "%s: scope=%#x retry_delay=%#x\n", __func__,
+ sts24->retry_delay >> 14, retry_delay);
+ }
} else {
if (scsi_status & SS_SENSE_LEN_VALID)
sense_len = le16_to_cpu(sts->req_sense_length);
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index d8a36c13aeda..7e875f575229 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -292,6 +292,14 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
if (time_after(jiffies, wait_time))
break;

+ /*
+ * Check if it's UNLOADING, cause we cannot poll in
+ * this case, or else a NULL pointer dereference
+ * is triggered.
+ */
+ if (unlikely(test_bit(UNLOADING, &base_vha->dpc_flags)))
+ return QLA_FUNCTION_TIMEOUT;
+
/* Check for pending interrupts. */
qla2x00_poll(ha->rsp_q_map[0]);

diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c
index 210407cd2341..ff1ba996d87b 100644
--- a/drivers/scsi/sd_zbc.c
+++ b/drivers/scsi/sd_zbc.c
@@ -452,7 +452,7 @@ static s64 sd_zbc_check_zone_size(struct scsi_disk *sdkp)
} else if (this_zone_blocks != zone_blocks &&
(block + this_zone_blocks < sdkp->capacity
|| this_zone_blocks > zone_blocks)) {
- this_zone_blocks = 0;
+ zone_blocks = 0;
goto out;
}
block += this_zone_blocks;
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