aboutsummaryrefslogtreecommitdiff
path: root/drivers/scsi
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/device_handler/scsi_dh_rdac.c4
-rw-r--r--drivers/scsi/hosts.c11
-rw-r--r--drivers/scsi/megaraid/megaraid_sas.h2
-rw-r--r--drivers/scsi/megaraid/megaraid_sas_base.c15
-rw-r--r--drivers/scsi/qla2xxx/tcm_qla2xxx.c16
-rw-r--r--drivers/scsi/scsi_devinfo.c1
-rw-r--r--drivers/scsi/scsi_pm.c20
-rw-r--r--drivers/scsi/scsi_sysfs.c22
-rw-r--r--drivers/scsi/sd.c7
-rw-r--r--drivers/scsi/ses.c30
-rw-r--r--drivers/scsi/sg.c2
-rw-r--r--drivers/scsi/sr.c4
-rw-r--r--drivers/scsi/storvsc_drv.c3
13 files changed, 102 insertions, 35 deletions
diff --git a/drivers/scsi/device_handler/scsi_dh_rdac.c b/drivers/scsi/device_handler/scsi_dh_rdac.c
index 4b9cf93f3fb6..d233170cd439 100644
--- a/drivers/scsi/device_handler/scsi_dh_rdac.c
+++ b/drivers/scsi/device_handler/scsi_dh_rdac.c
@@ -569,7 +569,7 @@ static int mode_select_handle_sense(struct scsi_device *sdev,
/*
* Command Lock contention
*/
- err = SCSI_DH_RETRY;
+ err = SCSI_DH_IMM_RETRY;
break;
default:
break;
@@ -619,6 +619,8 @@ retry:
err = mode_select_handle_sense(sdev, h->sense);
if (err == SCSI_DH_RETRY && retry_cnt--)
goto retry;
+ if (err == SCSI_DH_IMM_RETRY)
+ goto retry;
}
if (err == SCSI_DH_OK) {
h->state = RDAC_STATE_ACTIVE;
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index f28ea070d3df..bd5fd3b7e178 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -308,6 +308,17 @@ static void scsi_host_dev_release(struct device *dev)
kfree(queuedata);
}
+ if (shost->shost_state == SHOST_CREATED) {
+ /*
+ * Free the shost_dev device name here if scsi_host_alloc()
+ * and scsi_host_put() have been called but neither
+ * scsi_host_add() nor scsi_host_remove() has been called.
+ * This avoids that the memory allocated for the shost_dev
+ * name is leaked.
+ */
+ kfree(dev_name(&shost->shost_dev));
+ }
+
scsi_destroy_command_freelist(shost);
if (shost->bqt)
blk_free_tags(shost->bqt);
diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h
index 34452ea386ac..52636cfbab8f 100644
--- a/drivers/scsi/megaraid/megaraid_sas.h
+++ b/drivers/scsi/megaraid/megaraid_sas.h
@@ -334,6 +334,8 @@ enum MR_EVT_ARGS {
MR_EVT_ARGS_GENERIC,
};
+
+#define SGE_BUFFER_SIZE 4096
/*
* define constants for device list query options
*/
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index c80afde97e96..9f833f1504cc 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -3821,7 +3821,7 @@ static int megasas_init_fw(struct megasas_instance *instance)
}
}
instance->max_sectors_per_req = instance->max_num_sge *
- PAGE_SIZE / 512;
+ SGE_BUFFER_SIZE / 512;
if (tmp_sectors && (instance->max_sectors_per_req > tmp_sectors))
instance->max_sectors_per_req = tmp_sectors;
@@ -5281,6 +5281,9 @@ static int megasas_mgmt_compat_ioctl_fw(struct file *file, unsigned long arg)
int i;
int error = 0;
compat_uptr_t ptr;
+ unsigned long local_raw_ptr;
+ u32 local_sense_off;
+ u32 local_sense_len;
if (clear_user(ioc, sizeof(*ioc)))
return -EFAULT;
@@ -5298,9 +5301,15 @@ static int megasas_mgmt_compat_ioctl_fw(struct file *file, unsigned long arg)
* sense_len is not null, so prepare the 64bit value under
* the same condition.
*/
- if (ioc->sense_len) {
+ if (get_user(local_raw_ptr, ioc->frame.raw) ||
+ get_user(local_sense_off, &ioc->sense_off) ||
+ get_user(local_sense_len, &ioc->sense_len))
+ return -EFAULT;
+
+
+ if (local_sense_len) {
void __user **sense_ioc_ptr =
- (void __user **)(ioc->frame.raw + ioc->sense_off);
+ (void __user **)((u8*)local_raw_ptr + local_sense_off);
compat_uptr_t *sense_cioc_ptr =
(compat_uptr_t *)(cioc->frame.raw + cioc->sense_off);
if (get_user(ptr, sense_cioc_ptr) ||
diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
index 1817f3f2b02d..f46c0a6c5016 100644
--- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c
+++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
@@ -684,6 +684,20 @@ static void tcm_qla2xxx_queue_tm_rsp(struct se_cmd *se_cmd)
qlt_xmit_tm_rsp(mcmd);
}
+static void tcm_qla2xxx_aborted_task(struct se_cmd *se_cmd)
+{
+ struct qla_tgt_cmd *cmd = container_of(se_cmd,
+ struct qla_tgt_cmd, se_cmd);
+ struct scsi_qla_host *vha = cmd->vha;
+ struct qla_hw_data *ha = vha->hw;
+
+ if (!cmd->sg_mapped)
+ return;
+
+ pci_unmap_sg(ha->pdev, cmd->sg, cmd->sg_cnt, cmd->dma_data_direction);
+ cmd->sg_mapped = 0;
+}
+
/* Local pointer to allocated TCM configfs fabric module */
struct target_fabric_configfs *tcm_qla2xxx_fabric_configfs;
struct target_fabric_configfs *tcm_qla2xxx_npiv_fabric_configfs;
@@ -1886,6 +1900,7 @@ static struct target_core_fabric_ops tcm_qla2xxx_ops = {
.queue_data_in = tcm_qla2xxx_queue_data_in,
.queue_status = tcm_qla2xxx_queue_status,
.queue_tm_rsp = tcm_qla2xxx_queue_tm_rsp,
+ .aborted_task = tcm_qla2xxx_aborted_task,
/*
* Setup function pointers for generic logic in
* target_core_fabric_configfs.c
@@ -1935,6 +1950,7 @@ static struct target_core_fabric_ops tcm_qla2xxx_npiv_ops = {
.queue_data_in = tcm_qla2xxx_queue_data_in,
.queue_status = tcm_qla2xxx_queue_status,
.queue_tm_rsp = tcm_qla2xxx_queue_tm_rsp,
+ .aborted_task = tcm_qla2xxx_aborted_task,
/*
* Setup function pointers for generic logic in
* target_core_fabric_configfs.c
diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c
index 262ab837a704..8790e8640acd 100644
--- a/drivers/scsi/scsi_devinfo.c
+++ b/drivers/scsi/scsi_devinfo.c
@@ -205,6 +205,7 @@ static struct {
{"Intel", "Multi-Flex", NULL, BLIST_NO_RSOC},
{"iRiver", "iFP Mass Driver", NULL, BLIST_NOT_LOCKABLE | BLIST_INQUIRY_36},
{"LASOUND", "CDX7405", "3.10", BLIST_MAX5LUN | BLIST_SINGLELUN},
+ {"Marvell", "Console", NULL, BLIST_SKIP_VPD_PAGES},
{"MATSHITA", "PD-1", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
{"MATSHITA", "DMC-LC5", NULL, BLIST_NOT_LOCKABLE | BLIST_INQUIRY_36},
{"MATSHITA", "DMC-LC40", NULL, BLIST_NOT_LOCKABLE | BLIST_INQUIRY_36},
diff --git a/drivers/scsi/scsi_pm.c b/drivers/scsi/scsi_pm.c
index a59be67b92d5..88e136c716e9 100644
--- a/drivers/scsi/scsi_pm.c
+++ b/drivers/scsi/scsi_pm.c
@@ -151,13 +151,13 @@ static int sdev_runtime_suspend(struct device *dev)
struct scsi_device *sdev = to_scsi_device(dev);
int err = 0;
- if (pm && pm->runtime_suspend) {
- err = blk_pre_runtime_suspend(sdev->request_queue);
- if (err)
- return err;
+ err = blk_pre_runtime_suspend(sdev->request_queue);
+ if (err)
+ return err;
+ if (pm && pm->runtime_suspend)
err = pm->runtime_suspend(dev);
- blk_post_runtime_suspend(sdev->request_queue, err);
- }
+ blk_post_runtime_suspend(sdev->request_queue, err);
+
return err;
}
@@ -180,11 +180,11 @@ static int sdev_runtime_resume(struct device *dev)
const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
int err = 0;
- if (pm && pm->runtime_resume) {
- blk_pre_runtime_resume(sdev->request_queue);
+ blk_pre_runtime_resume(sdev->request_queue);
+ if (pm && pm->runtime_resume)
err = pm->runtime_resume(dev);
- blk_post_runtime_resume(sdev->request_queue, err);
- }
+ blk_post_runtime_resume(sdev->request_queue, err);
+
return err;
}
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index 665acbf83693..5706bb89f6a0 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -882,7 +882,7 @@ sdev_store_queue_ramp_up_period(struct device *dev,
return -EINVAL;
sdev->queue_ramp_up_period = msecs_to_jiffies(period);
- return period;
+ return count;
}
static struct device_attribute sdev_attr_queue_ramp_up_period =
@@ -1123,31 +1123,25 @@ static void __scsi_remove_target(struct scsi_target *starget)
void scsi_remove_target(struct device *dev)
{
struct Scsi_Host *shost = dev_to_shost(dev->parent);
- struct scsi_target *starget, *last = NULL;
+ struct scsi_target *starget, *last_target = NULL;
unsigned long flags;
- /* remove targets being careful to lookup next entry before
- * deleting the last
- */
+restart:
spin_lock_irqsave(shost->host_lock, flags);
list_for_each_entry(starget, &shost->__targets, siblings) {
- if (starget->state == STARGET_DEL)
+ if (starget->state == STARGET_DEL ||
+ starget == last_target)
continue;
if (starget->dev.parent == dev || &starget->dev == dev) {
- /* assuming new targets arrive at the end */
kref_get(&starget->reap_ref);
+ last_target = starget;
spin_unlock_irqrestore(shost->host_lock, flags);
- if (last)
- scsi_target_reap(last);
- last = starget;
__scsi_remove_target(starget);
- spin_lock_irqsave(shost->host_lock, flags);
+ scsi_target_reap(starget);
+ goto restart;
}
}
spin_unlock_irqrestore(shost->host_lock, flags);
-
- if (last)
- scsi_target_reap(last);
}
EXPORT_SYMBOL(scsi_remove_target);
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index a10706409927..614531c14777 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -3129,8 +3129,8 @@ static int sd_suspend_common(struct device *dev, bool ignore_stop_errors)
struct scsi_disk *sdkp = scsi_disk_get_from_dev(dev);
int ret = 0;
- if (!sdkp)
- return 0; /* this can happen */
+ if (!sdkp) /* E.g.: runtime suspend following sd_remove() */
+ return 0;
if (sdkp->WCE && sdkp->media_present) {
sd_printk(KERN_NOTICE, sdkp, "Synchronizing SCSI cache\n");
@@ -3171,6 +3171,9 @@ static int sd_resume(struct device *dev)
struct scsi_disk *sdkp = scsi_disk_get_from_dev(dev);
int ret = 0;
+ if (!sdkp) /* E.g.: runtime resume at the start of sd_probe() */
+ return 0;
+
if (!sdkp->device->manage_start_stop)
goto done;
diff --git a/drivers/scsi/ses.c b/drivers/scsi/ses.c
index eba183c428cf..3643bbf5456d 100644
--- a/drivers/scsi/ses.c
+++ b/drivers/scsi/ses.c
@@ -70,6 +70,7 @@ static int ses_probe(struct device *dev)
static int ses_recv_diag(struct scsi_device *sdev, int page_code,
void *buf, int bufflen)
{
+ int ret;
unsigned char cmd[] = {
RECEIVE_DIAGNOSTIC,
1, /* Set PCV bit */
@@ -78,9 +79,26 @@ static int ses_recv_diag(struct scsi_device *sdev, int page_code,
bufflen & 0xff,
0
};
+ unsigned char recv_page_code;
- return scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buf, bufflen,
+ ret = scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buf, bufflen,
NULL, SES_TIMEOUT, SES_RETRIES, NULL);
+ if (unlikely(!ret))
+ return ret;
+
+ recv_page_code = ((unsigned char *)buf)[0];
+
+ if (likely(recv_page_code == page_code))
+ return ret;
+
+ /* successful diagnostic but wrong page code. This happens to some
+ * USB devices, just print a message and pretend there was an error */
+
+ sdev_printk(KERN_ERR, sdev,
+ "Wrong diagnostic page; asked for %d got %u\n",
+ page_code, recv_page_code);
+
+ return -EINVAL;
}
static int ses_send_diag(struct scsi_device *sdev, int page_code,
@@ -436,7 +454,15 @@ static void ses_enclosure_data_process(struct enclosure_device *edev,
if (desc_ptr)
desc_ptr += len;
- if (addl_desc_ptr)
+ if (addl_desc_ptr &&
+ /* only find additional descriptions for specific devices */
+ (type_ptr[0] == ENCLOSURE_COMPONENT_DEVICE ||
+ type_ptr[0] == ENCLOSURE_COMPONENT_ARRAY_DEVICE ||
+ type_ptr[0] == ENCLOSURE_COMPONENT_SAS_EXPANDER ||
+ /* these elements are optional */
+ type_ptr[0] == ENCLOSURE_COMPONENT_SCSI_TARGET_PORT ||
+ type_ptr[0] == ENCLOSURE_COMPONENT_SCSI_INITIATOR_PORT ||
+ type_ptr[0] == ENCLOSURE_COMPONENT_CONTROLLER_ELECTRONICS))
addl_desc_ptr += addl_desc_ptr[1] + 2;
}
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 721d839d6c54..0be16bf5f0cd 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -1258,7 +1258,7 @@ sg_mmap(struct file *filp, struct vm_area_struct *vma)
}
sfp->mmap_called = 1;
- vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
+ vma->vm_flags |= VM_IO | VM_DONTEXPAND | VM_DONTDUMP;
vma->vm_private_data = sfp;
vma->vm_ops = &sg_mmap_vm_ops;
return 0;
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index 40d85929aefe..2d3d11021bb6 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -142,6 +142,9 @@ static int sr_runtime_suspend(struct device *dev)
{
struct scsi_cd *cd = dev_get_drvdata(dev);
+ if (!cd) /* E.g.: runtime suspend following sr_remove() */
+ return 0;
+
if (cd->media_present)
return -EBUSY;
else
@@ -995,6 +998,7 @@ static int sr_remove(struct device *dev)
blk_queue_prep_rq(cd->device->request_queue, scsi_prep_fn);
del_gendisk(cd->disk);
+ dev_set_drvdata(dev, NULL);
mutex_lock(&sr_ref_mutex);
kref_put(&cd->kref, sr_kref_release);
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 3bb6646bb406..f9da66fa850b 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -1610,8 +1610,7 @@ static int storvsc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scmnd)
vm_srb->win8_extension.time_out_value = 60;
vm_srb->win8_extension.srb_flags |=
- (SRB_FLAGS_QUEUE_ACTION_ENABLE |
- SRB_FLAGS_DISABLE_SYNCH_TRANSFER);
+ SRB_FLAGS_DISABLE_SYNCH_TRANSFER;
/* Build the SRB */
switch (scmnd->sc_data_direction) {