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-rw-r--r--drivers/scsi/aacraid/aachba.c15
-rw-r--r--drivers/scsi/cxlflash/main.h4
-rw-r--r--drivers/scsi/cxlflash/ocxl_hw.c5
-rw-r--r--drivers/scsi/hpsa.c25
-rw-r--r--drivers/scsi/hpsa.h1
-rw-r--r--drivers/scsi/ipr.c2
-rw-r--r--drivers/scsi/qedf/qedf_main.c12
-rw-r--r--drivers/scsi/qedi/qedi_main.c11
-rw-r--r--drivers/scsi/qla2xxx/qla_def.h2
-rw-r--r--drivers/scsi/qla2xxx/qla_gs.c40
-rw-r--r--drivers/scsi/qla2xxx/qla_init.c14
-rw-r--r--drivers/scsi/qla2xxx/qla_os.c4
-rw-r--r--drivers/scsi/qla2xxx/qla_target.c7
-rw-r--r--drivers/scsi/scsi_debug.c2
-rw-r--r--drivers/scsi/scsi_error.c14
-rw-r--r--drivers/scsi/scsi_transport_fc.c2
-rw-r--r--drivers/scsi/sd_zbc.c5
-rw-r--r--drivers/scsi/sg.c42
-rw-r--r--drivers/scsi/xen-scsifront.c33
19 files changed, 182 insertions, 58 deletions
diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index a9831bd37a73..a57f3a7d4748 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -1974,7 +1974,6 @@ static void aac_set_safw_attr_all_targets(struct aac_dev *dev)
u32 lun_count, nexus;
u32 i, bus, target;
u8 expose_flag, attribs;
- u8 devtype;
lun_count = aac_get_safw_phys_lun_count(dev);
@@ -1992,23 +1991,23 @@ static void aac_set_safw_attr_all_targets(struct aac_dev *dev)
continue;
if (expose_flag != 0) {
- devtype = AAC_DEVTYPE_RAID_MEMBER;
- goto update_devtype;
+ dev->hba_map[bus][target].devtype =
+ AAC_DEVTYPE_RAID_MEMBER;
+ continue;
}
if (nexus != 0 && (attribs & 8)) {
- devtype = AAC_DEVTYPE_NATIVE_RAW;
+ dev->hba_map[bus][target].devtype =
+ AAC_DEVTYPE_NATIVE_RAW;
dev->hba_map[bus][target].rmw_nexus =
nexus;
} else
- devtype = AAC_DEVTYPE_ARC_RAW;
+ dev->hba_map[bus][target].devtype =
+ AAC_DEVTYPE_ARC_RAW;
dev->hba_map[bus][target].scan_counter = dev->scan_counter;
aac_set_safw_target_qd(dev, bus, target);
-
-update_devtype:
- dev->hba_map[bus][target].devtype = devtype;
}
}
diff --git a/drivers/scsi/cxlflash/main.h b/drivers/scsi/cxlflash/main.h
index 2a3977823812..a39be94d110c 100644
--- a/drivers/scsi/cxlflash/main.h
+++ b/drivers/scsi/cxlflash/main.h
@@ -107,12 +107,12 @@ cxlflash_assign_ops(struct dev_dependent_vals *ddv)
{
const struct cxlflash_backend_ops *ops = NULL;
-#ifdef CONFIG_OCXL
+#ifdef CONFIG_OCXL_BASE
if (ddv->flags & CXLFLASH_OCXL_DEV)
ops = &cxlflash_ocxl_ops;
#endif
-#ifdef CONFIG_CXL
+#ifdef CONFIG_CXL_BASE
if (!(ddv->flags & CXLFLASH_OCXL_DEV))
ops = &cxlflash_cxl_ops;
#endif
diff --git a/drivers/scsi/cxlflash/ocxl_hw.c b/drivers/scsi/cxlflash/ocxl_hw.c
index 0a95b5f25380..497a68389461 100644
--- a/drivers/scsi/cxlflash/ocxl_hw.c
+++ b/drivers/scsi/cxlflash/ocxl_hw.c
@@ -134,15 +134,14 @@ static struct file *ocxlflash_getfile(struct device *dev, const char *name,
rc = PTR_ERR(file);
dev_err(dev, "%s: alloc_file failed rc=%d\n",
__func__, rc);
- goto err5;
+ path_put(&path);
+ goto err3;
}
file->f_flags = flags & (O_ACCMODE | O_NONBLOCK);
file->private_data = priv;
out:
return file;
-err5:
- path_put(&path);
err4:
iput(inode);
err3:
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 15c7f3b6f35e..58bb70b886d7 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -3440,11 +3440,11 @@ static void hpsa_get_enclosure_info(struct ctlr_info *h,
struct ext_report_lun_entry *rle = &rlep->LUN[rle_index];
u16 bmic_device_index = 0;
- bmic_device_index = GET_BMIC_DRIVE_NUMBER(&rle->lunid[0]);
-
- encl_dev->sas_address =
+ encl_dev->eli =
hpsa_get_enclosure_logical_identifier(h, scsi3addr);
+ bmic_device_index = GET_BMIC_DRIVE_NUMBER(&rle->lunid[0]);
+
if (encl_dev->target == -1 || encl_dev->lun == -1) {
rc = IO_OK;
goto out;
@@ -9697,7 +9697,24 @@ hpsa_sas_get_linkerrors(struct sas_phy *phy)
static int
hpsa_sas_get_enclosure_identifier(struct sas_rphy *rphy, u64 *identifier)
{
- *identifier = rphy->identify.sas_address;
+ struct Scsi_Host *shost = phy_to_shost(rphy);
+ struct ctlr_info *h;
+ struct hpsa_scsi_dev_t *sd;
+
+ if (!shost)
+ return -ENXIO;
+
+ h = shost_to_hba(shost);
+
+ if (!h)
+ return -ENXIO;
+
+ sd = hpsa_find_device_by_sas_rphy(h, rphy);
+ if (!sd)
+ return -ENXIO;
+
+ *identifier = sd->eli;
+
return 0;
}
diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h
index fb9f5e7f8209..59e023696fff 100644
--- a/drivers/scsi/hpsa.h
+++ b/drivers/scsi/hpsa.h
@@ -68,6 +68,7 @@ struct hpsa_scsi_dev_t {
#define RAID_CTLR_LUNID "\0\0\0\0\0\0\0\0"
unsigned char device_id[16]; /* from inquiry pg. 0x83 */
u64 sas_address;
+ u64 eli; /* from report diags. */
unsigned char vendor[8]; /* bytes 8-15 of inquiry data */
unsigned char model[16]; /* bytes 16-31 of inquiry data */
unsigned char rev; /* byte 2 of inquiry data */
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 0a9b8b387bd2..02d65dce74e5 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -760,7 +760,6 @@ static void ipr_mask_and_clear_interrupts(struct ipr_ioa_cfg *ioa_cfg,
ioa_cfg->hrrq[i].allow_interrupts = 0;
spin_unlock(&ioa_cfg->hrrq[i]._lock);
}
- wmb();
/* Set interrupt mask to stop all new interrupts */
if (ioa_cfg->sis64)
@@ -8403,7 +8402,6 @@ static int ipr_reset_enable_ioa(struct ipr_cmnd *ipr_cmd)
ioa_cfg->hrrq[i].allow_interrupts = 1;
spin_unlock(&ioa_cfg->hrrq[i]._lock);
}
- wmb();
if (ioa_cfg->sis64) {
/* Set the adapter to the correct endian mode. */
writel(IPR_ENDIAN_SWAP_KEY, ioa_cfg->regs.endian_swap_reg);
diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c
index 90394cef0f41..0a5dd5595dd3 100644
--- a/drivers/scsi/qedf/qedf_main.c
+++ b/drivers/scsi/qedf/qedf_main.c
@@ -3295,6 +3295,11 @@ static int __qedf_probe(struct pci_dev *pdev, int mode)
init_completion(&qedf->flogi_compl);
+ status = qed_ops->common->update_drv_state(qedf->cdev, true);
+ if (status)
+ QEDF_ERR(&(qedf->dbg_ctx),
+ "Failed to send drv state to MFW.\n");
+
memset(&link_params, 0, sizeof(struct qed_link_params));
link_params.link_up = true;
status = qed_ops->common->set_link(qedf->cdev, &link_params);
@@ -3343,6 +3348,7 @@ static int qedf_probe(struct pci_dev *pdev, const struct pci_device_id *id)
static void __qedf_remove(struct pci_dev *pdev, int mode)
{
struct qedf_ctx *qedf;
+ int rc;
if (!pdev) {
QEDF_ERR(NULL, "pdev is NULL.\n");
@@ -3437,6 +3443,12 @@ static void __qedf_remove(struct pci_dev *pdev, int mode)
qed_ops->common->set_power_state(qedf->cdev, PCI_D0);
pci_set_drvdata(pdev, NULL);
}
+
+ rc = qed_ops->common->update_drv_state(qedf->cdev, false);
+ if (rc)
+ QEDF_ERR(&(qedf->dbg_ctx),
+ "Failed to send drv state to MFW.\n");
+
qed_ops->common->slowpath_stop(qedf->cdev);
qed_ops->common->remove(qedf->cdev);
diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c
index cf274a79e77a..091ec1207bea 100644
--- a/drivers/scsi/qedi/qedi_main.c
+++ b/drivers/scsi/qedi/qedi_main.c
@@ -2273,6 +2273,7 @@ kset_free:
static void __qedi_remove(struct pci_dev *pdev, int mode)
{
struct qedi_ctx *qedi = pci_get_drvdata(pdev);
+ int rval;
if (qedi->tmf_thread) {
flush_workqueue(qedi->tmf_thread);
@@ -2302,6 +2303,10 @@ static void __qedi_remove(struct pci_dev *pdev, int mode)
if (mode == QEDI_MODE_NORMAL)
qedi_free_iscsi_pf_param(qedi);
+ rval = qedi_ops->common->update_drv_state(qedi->cdev, false);
+ if (rval)
+ QEDI_ERR(&qedi->dbg_ctx, "Failed to send drv state to MFW\n");
+
if (!test_bit(QEDI_IN_OFFLINE, &qedi->flags)) {
qedi_ops->common->slowpath_stop(qedi->cdev);
qedi_ops->common->remove(qedi->cdev);
@@ -2576,6 +2581,12 @@ static int __qedi_probe(struct pci_dev *pdev, int mode)
if (qedi_setup_boot_info(qedi))
QEDI_ERR(&qedi->dbg_ctx,
"No iSCSI boot target configured\n");
+
+ rc = qedi_ops->common->update_drv_state(qedi->cdev, true);
+ if (rc)
+ QEDI_ERR(&qedi->dbg_ctx,
+ "Failed to send drv state to MFW\n");
+
}
return 0;
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 9442e18aef6f..0f94b1d62d3f 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -361,6 +361,8 @@ struct ct_arg {
dma_addr_t rsp_dma;
u32 req_size;
u32 rsp_size;
+ u32 req_allocated_size;
+ u32 rsp_allocated_size;
void *req;
void *rsp;
port_id_t id;
diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c
index 4bc2b66b299f..2c35b0b2baa0 100644
--- a/drivers/scsi/qla2xxx/qla_gs.c
+++ b/drivers/scsi/qla2xxx/qla_gs.c
@@ -556,7 +556,7 @@ err2:
/* please ignore kernel warning. otherwise, we have mem leak. */
if (sp->u.iocb_cmd.u.ctarg.req) {
dma_free_coherent(&vha->hw->pdev->dev,
- sizeof(struct ct_sns_pkt),
+ sp->u.iocb_cmd.u.ctarg.req_allocated_size,
sp->u.iocb_cmd.u.ctarg.req,
sp->u.iocb_cmd.u.ctarg.req_dma);
sp->u.iocb_cmd.u.ctarg.req = NULL;
@@ -564,7 +564,7 @@ err2:
if (sp->u.iocb_cmd.u.ctarg.rsp) {
dma_free_coherent(&vha->hw->pdev->dev,
- sizeof(struct ct_sns_pkt),
+ sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
sp->u.iocb_cmd.u.ctarg.rsp,
sp->u.iocb_cmd.u.ctarg.rsp_dma);
sp->u.iocb_cmd.u.ctarg.rsp = NULL;
@@ -617,6 +617,7 @@ static int qla_async_rftid(scsi_qla_host_t *vha, port_id_t *d_id)
sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma,
GFP_KERNEL);
+ sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
if (!sp->u.iocb_cmd.u.ctarg.req) {
ql_log(ql_log_warn, vha, 0xd041,
"%s: Failed to allocate ct_sns request.\n",
@@ -627,6 +628,7 @@ static int qla_async_rftid(scsi_qla_host_t *vha, port_id_t *d_id)
sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.rsp_dma,
GFP_KERNEL);
+ sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
if (!sp->u.iocb_cmd.u.ctarg.rsp) {
ql_log(ql_log_warn, vha, 0xd042,
"%s: Failed to allocate ct_sns request.\n",
@@ -712,6 +714,7 @@ static int qla_async_rffid(scsi_qla_host_t *vha, port_id_t *d_id,
sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma,
GFP_KERNEL);
+ sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
if (!sp->u.iocb_cmd.u.ctarg.req) {
ql_log(ql_log_warn, vha, 0xd041,
"%s: Failed to allocate ct_sns request.\n",
@@ -722,6 +725,7 @@ static int qla_async_rffid(scsi_qla_host_t *vha, port_id_t *d_id,
sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.rsp_dma,
GFP_KERNEL);
+ sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
if (!sp->u.iocb_cmd.u.ctarg.rsp) {
ql_log(ql_log_warn, vha, 0xd042,
"%s: Failed to allocate ct_sns request.\n",
@@ -802,6 +806,7 @@ static int qla_async_rnnid(scsi_qla_host_t *vha, port_id_t *d_id,
sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma,
GFP_KERNEL);
+ sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
if (!sp->u.iocb_cmd.u.ctarg.req) {
ql_log(ql_log_warn, vha, 0xd041,
"%s: Failed to allocate ct_sns request.\n",
@@ -812,6 +817,7 @@ static int qla_async_rnnid(scsi_qla_host_t *vha, port_id_t *d_id,
sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.rsp_dma,
GFP_KERNEL);
+ sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
if (!sp->u.iocb_cmd.u.ctarg.rsp) {
ql_log(ql_log_warn, vha, 0xd042,
"%s: Failed to allocate ct_sns request.\n",
@@ -909,6 +915,7 @@ static int qla_async_rsnn_nn(scsi_qla_host_t *vha)
sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma,
GFP_KERNEL);
+ sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
if (!sp->u.iocb_cmd.u.ctarg.req) {
ql_log(ql_log_warn, vha, 0xd041,
"%s: Failed to allocate ct_sns request.\n",
@@ -919,6 +926,7 @@ static int qla_async_rsnn_nn(scsi_qla_host_t *vha)
sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.rsp_dma,
GFP_KERNEL);
+ sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
if (!sp->u.iocb_cmd.u.ctarg.rsp) {
ql_log(ql_log_warn, vha, 0xd042,
"%s: Failed to allocate ct_sns request.\n",
@@ -3388,14 +3396,14 @@ void qla24xx_sp_unmap(scsi_qla_host_t *vha, srb_t *sp)
{
if (sp->u.iocb_cmd.u.ctarg.req) {
dma_free_coherent(&vha->hw->pdev->dev,
- sizeof(struct ct_sns_pkt),
+ sp->u.iocb_cmd.u.ctarg.req_allocated_size,
sp->u.iocb_cmd.u.ctarg.req,
sp->u.iocb_cmd.u.ctarg.req_dma);
sp->u.iocb_cmd.u.ctarg.req = NULL;
}
if (sp->u.iocb_cmd.u.ctarg.rsp) {
dma_free_coherent(&vha->hw->pdev->dev,
- sizeof(struct ct_sns_pkt),
+ sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
sp->u.iocb_cmd.u.ctarg.rsp,
sp->u.iocb_cmd.u.ctarg.rsp_dma);
sp->u.iocb_cmd.u.ctarg.rsp = NULL;
@@ -3596,14 +3604,14 @@ static void qla2x00_async_gpnid_sp_done(void *s, int res)
/* please ignore kernel warning. otherwise, we have mem leak. */
if (sp->u.iocb_cmd.u.ctarg.req) {
dma_free_coherent(&vha->hw->pdev->dev,
- sizeof(struct ct_sns_pkt),
+ sp->u.iocb_cmd.u.ctarg.req_allocated_size,
sp->u.iocb_cmd.u.ctarg.req,
sp->u.iocb_cmd.u.ctarg.req_dma);
sp->u.iocb_cmd.u.ctarg.req = NULL;
}
if (sp->u.iocb_cmd.u.ctarg.rsp) {
dma_free_coherent(&vha->hw->pdev->dev,
- sizeof(struct ct_sns_pkt),
+ sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
sp->u.iocb_cmd.u.ctarg.rsp,
sp->u.iocb_cmd.u.ctarg.rsp_dma);
sp->u.iocb_cmd.u.ctarg.rsp = NULL;
@@ -3654,6 +3662,7 @@ int qla24xx_async_gpnid(scsi_qla_host_t *vha, port_id_t *id)
sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma,
GFP_KERNEL);
+ sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
if (!sp->u.iocb_cmd.u.ctarg.req) {
ql_log(ql_log_warn, vha, 0xd041,
"Failed to allocate ct_sns request.\n");
@@ -3663,6 +3672,7 @@ int qla24xx_async_gpnid(scsi_qla_host_t *vha, port_id_t *id)
sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.rsp_dma,
GFP_KERNEL);
+ sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
if (!sp->u.iocb_cmd.u.ctarg.rsp) {
ql_log(ql_log_warn, vha, 0xd042,
"Failed to allocate ct_sns request.\n");
@@ -4142,14 +4152,14 @@ static void qla2x00_async_gpnft_gnnft_sp_done(void *s, int res)
*/
if (sp->u.iocb_cmd.u.ctarg.req) {
dma_free_coherent(&vha->hw->pdev->dev,
- sizeof(struct ct_sns_pkt),
+ sp->u.iocb_cmd.u.ctarg.req_allocated_size,
sp->u.iocb_cmd.u.ctarg.req,
sp->u.iocb_cmd.u.ctarg.req_dma);
sp->u.iocb_cmd.u.ctarg.req = NULL;
}
if (sp->u.iocb_cmd.u.ctarg.rsp) {
dma_free_coherent(&vha->hw->pdev->dev,
- sizeof(struct ct_sns_pkt),
+ sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
sp->u.iocb_cmd.u.ctarg.rsp,
sp->u.iocb_cmd.u.ctarg.rsp_dma);
sp->u.iocb_cmd.u.ctarg.rsp = NULL;
@@ -4179,14 +4189,14 @@ static void qla2x00_async_gpnft_gnnft_sp_done(void *s, int res)
/* please ignore kernel warning. Otherwise, we have mem leak. */
if (sp->u.iocb_cmd.u.ctarg.req) {
dma_free_coherent(&vha->hw->pdev->dev,
- sizeof(struct ct_sns_pkt),
+ sp->u.iocb_cmd.u.ctarg.req_allocated_size,
sp->u.iocb_cmd.u.ctarg.req,
sp->u.iocb_cmd.u.ctarg.req_dma);
sp->u.iocb_cmd.u.ctarg.req = NULL;
}
if (sp->u.iocb_cmd.u.ctarg.rsp) {
dma_free_coherent(&vha->hw->pdev->dev,
- sizeof(struct ct_sns_pkt),
+ sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
sp->u.iocb_cmd.u.ctarg.rsp,
sp->u.iocb_cmd.u.ctarg.rsp_dma);
sp->u.iocb_cmd.u.ctarg.rsp = NULL;
@@ -4281,14 +4291,14 @@ static int qla24xx_async_gnnft(scsi_qla_host_t *vha, struct srb *sp,
done_free_sp:
if (sp->u.iocb_cmd.u.ctarg.req) {
dma_free_coherent(&vha->hw->pdev->dev,
- sizeof(struct ct_sns_pkt),
+ sp->u.iocb_cmd.u.ctarg.req_allocated_size,
sp->u.iocb_cmd.u.ctarg.req,
sp->u.iocb_cmd.u.ctarg.req_dma);
sp->u.iocb_cmd.u.ctarg.req = NULL;
}
if (sp->u.iocb_cmd.u.ctarg.rsp) {
dma_free_coherent(&vha->hw->pdev->dev,
- sizeof(struct ct_sns_pkt),
+ sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
sp->u.iocb_cmd.u.ctarg.rsp,
sp->u.iocb_cmd.u.ctarg.rsp_dma);
sp->u.iocb_cmd.u.ctarg.rsp = NULL;
@@ -4349,6 +4359,7 @@ int qla24xx_async_gpnft(scsi_qla_host_t *vha, u8 fc4_type, srb_t *sp)
sp->u.iocb_cmd.u.ctarg.req = dma_zalloc_coherent(
&vha->hw->pdev->dev, sizeof(struct ct_sns_pkt),
&sp->u.iocb_cmd.u.ctarg.req_dma, GFP_KERNEL);
+ sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
if (!sp->u.iocb_cmd.u.ctarg.req) {
ql_log(ql_log_warn, vha, 0xffff,
"Failed to allocate ct_sns request.\n");
@@ -4366,6 +4377,7 @@ int qla24xx_async_gpnft(scsi_qla_host_t *vha, u8 fc4_type, srb_t *sp)
sp->u.iocb_cmd.u.ctarg.rsp = dma_zalloc_coherent(
&vha->hw->pdev->dev, rspsz,
&sp->u.iocb_cmd.u.ctarg.rsp_dma, GFP_KERNEL);
+ sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
if (!sp->u.iocb_cmd.u.ctarg.rsp) {
ql_log(ql_log_warn, vha, 0xffff,
"Failed to allocate ct_sns request.\n");
@@ -4425,14 +4437,14 @@ int qla24xx_async_gpnft(scsi_qla_host_t *vha, u8 fc4_type, srb_t *sp)
done_free_sp:
if (sp->u.iocb_cmd.u.ctarg.req) {
dma_free_coherent(&vha->hw->pdev->dev,
- sizeof(struct ct_sns_pkt),
+ sp->u.iocb_cmd.u.ctarg.req_allocated_size,
sp->u.iocb_cmd.u.ctarg.req,
sp->u.iocb_cmd.u.ctarg.req_dma);
sp->u.iocb_cmd.u.ctarg.req = NULL;
}
if (sp->u.iocb_cmd.u.ctarg.rsp) {
dma_free_coherent(&vha->hw->pdev->dev,
- sizeof(struct ct_sns_pkt),
+ sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
sp->u.iocb_cmd.u.ctarg.rsp,
sp->u.iocb_cmd.u.ctarg.rsp_dma);
sp->u.iocb_cmd.u.ctarg.rsp = NULL;
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 7b675243bd16..db0e3279e07a 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -591,12 +591,14 @@ static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha,
conflict_fcport =
qla2x00_find_fcport_by_wwpn(vha,
e->port_name, 0);
- ql_dbg(ql_dbg_disc, vha, 0x20e6,
- "%s %d %8phC post del sess\n",
- __func__, __LINE__,
- conflict_fcport->port_name);
- qlt_schedule_sess_for_deletion
- (conflict_fcport);
+ if (conflict_fcport) {
+ qlt_schedule_sess_for_deletion
+ (conflict_fcport);
+ ql_dbg(ql_dbg_disc, vha, 0x20e6,
+ "%s %d %8phC post del sess\n",
+ __func__, __LINE__,
+ conflict_fcport->port_name);
+ }
}
/* FW already picked this loop id for another fcport */
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index e881fce7477a..9f309e572be4 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -3180,6 +3180,8 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
"req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
+ ha->wq = alloc_workqueue("qla2xxx_wq", 0, 0);
+
if (ha->isp_ops->initialize_adapter(base_vha)) {
ql_log(ql_log_fatal, base_vha, 0x00d6,
"Failed to initialize adapter - Adapter flags %x.\n",
@@ -3216,8 +3218,6 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
host->can_queue, base_vha->req,
base_vha->mgmt_svr_loop_id, host->sg_tablesize);
- ha->wq = alloc_workqueue("qla2xxx_wq", 0, 0);
-
if (ha->mqenable) {
bool mq = false;
bool startit = false;
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index 0fea2e2326be..1027b0cb7fa3 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -1224,7 +1224,6 @@ static void qla24xx_chk_fcp_state(struct fc_port *sess)
void qlt_schedule_sess_for_deletion(struct fc_port *sess)
{
struct qla_tgt *tgt = sess->tgt;
- struct qla_hw_data *ha = sess->vha->hw;
unsigned long flags;
if (sess->disc_state == DSC_DELETE_PEND)
@@ -1241,16 +1240,16 @@ void qlt_schedule_sess_for_deletion(struct fc_port *sess)
return;
}
- spin_lock_irqsave(&ha->tgt.sess_lock, flags);
if (sess->deleted == QLA_SESS_DELETED)
sess->logout_on_delete = 0;
+ spin_lock_irqsave(&sess->vha->work_lock, flags);
if (sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) {
- spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
+ spin_unlock_irqrestore(&sess->vha->work_lock, flags);
return;
}
sess->deleted = QLA_SESS_DELETION_IN_PROGRESS;
- spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
+ spin_unlock_irqrestore(&sess->vha->work_lock, flags);
sess->disc_state = DSC_DELETE_PEND;
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index 24d7496cd9e2..364e71861bfd 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -5507,9 +5507,9 @@ static void __exit scsi_debug_exit(void)
int k = sdebug_add_host;
stop_all_queued();
- free_all_queued();
for (; k; k--)
sdebug_remove_adapter();
+ free_all_queued();
driver_unregister(&sdebug_driverfs_driver);
bus_unregister(&pseudo_lld_bus);
root_device_unregister(pseudo_primary);
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 8932ae81a15a..2715cdaa669c 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -296,6 +296,20 @@ enum blk_eh_timer_return scsi_times_out(struct request *req)
rtn = host->hostt->eh_timed_out(scmd);
if (rtn == BLK_EH_DONE) {
+ /*
+ * For blk-mq, we must set the request state to complete now
+ * before sending the request to the scsi error handler. This
+ * will prevent a use-after-free in the event the LLD manages
+ * to complete the request before the error handler finishes
+ * processing this timed out request.
+ *
+ * If the request was already completed, then the LLD beat the
+ * time out handler from transferring the request to the scsi
+ * error handler. In that case we can return immediately as no
+ * further action is required.
+ */
+ if (req->q->mq_ops && !blk_mq_mark_complete(req))
+ return rtn;
if (scsi_abort_command(scmd) != SUCCESS) {
set_host_byte(scmd, DID_TIME_OUT);
scsi_eh_scmd_add(scmd);
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index 1da3d71e9f61..13948102ca29 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -3592,7 +3592,7 @@ fc_bsg_job_timeout(struct request *req)
/* the blk_end_sync_io() doesn't check the error */
if (inflight)
- blk_mq_complete_request(req);
+ __blk_complete_request(req);
return BLK_EH_DONE;
}
diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c
index a14fef11776e..2bf3bf73886e 100644
--- a/drivers/scsi/sd_zbc.c
+++ b/drivers/scsi/sd_zbc.c
@@ -391,7 +391,8 @@ static int sd_zbc_check_capacity(struct scsi_disk *sdkp, unsigned char *buf)
* Check that all zones of the device are equal. The last zone can however
* be smaller. The zone size must also be a power of two number of LBAs.
*
- * Returns the zone size in bytes upon success or an error code upon failure.
+ * Returns the zone size in number of blocks upon success or an error code
+ * upon failure.
*/
static s64 sd_zbc_check_zone_size(struct scsi_disk *sdkp)
{
@@ -401,7 +402,7 @@ static s64 sd_zbc_check_zone_size(struct scsi_disk *sdkp)
unsigned char *rec;
unsigned int buf_len;
unsigned int list_length;
- int ret;
+ s64 ret;
u8 same;
/* Get a buffer */
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 53ae52dbff84..cd2fdac000c9 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -51,6 +51,7 @@ static int sg_version_num = 30536; /* 2 digits for each component */
#include <linux/atomic.h>
#include <linux/ratelimit.h>
#include <linux/uio.h>
+#include <linux/cred.h> /* for sg_check_file_access() */
#include "scsi.h"
#include <scsi/scsi_dbg.h>
@@ -209,6 +210,33 @@ static void sg_device_destroy(struct kref *kref);
sdev_prefix_printk(prefix, (sdp)->device, \
(sdp)->disk->disk_name, fmt, ##a)
+/*
+ * The SCSI interfaces that use read() and write() as an asynchronous variant of
+ * ioctl(..., SG_IO, ...) are fundamentally unsafe, since there are lots of ways
+ * to trigger read() and write() calls from various contexts with elevated
+ * privileges. This can lead to kernel memory corruption (e.g. if these
+ * interfaces are called through splice()) and privilege escalation inside
+ * userspace (e.g. if a process with access to such a device passes a file
+ * descriptor to a SUID binary as stdin/stdout/stderr).
+ *
+ * This function provides protection for the legacy API by restricting the
+ * calling context.
+ */
+static int sg_check_file_access(struct file *filp, const char *caller)
+{
+ if (filp->f_cred != current_real_cred()) {
+ pr_err_once("%s: process %d (%s) changed security contexts after opening file descriptor, this is not allowed.\n",
+ caller, task_tgid_vnr(current), current->comm);
+ return -EPERM;
+ }
+ if (uaccess_kernel()) {
+ pr_err_once("%s: process %d (%s) called from kernel context, this is not allowed.\n",
+ caller, task_tgid_vnr(current), current->comm);
+ return -EACCES;
+ }
+ return 0;
+}
+
static int sg_allow_access(struct file *filp, unsigned char *cmd)
{
struct sg_fd *sfp = filp->private_data;
@@ -393,6 +421,14 @@ sg_read(struct file *filp, char __user *buf, size_t count, loff_t * ppos)
struct sg_header *old_hdr = NULL;
int retval = 0;
+ /*
+ * This could cause a response to be stranded. Close the associated
+ * file descriptor to free up any resources being held.
+ */
+ retval = sg_check_file_access(filp, __func__);
+ if (retval)
+ return retval;
+
if ((!(sfp = (Sg_fd *) filp->private_data)) || (!(sdp = sfp->parentdp)))
return -ENXIO;
SCSI_LOG_TIMEOUT(3, sg_printk(KERN_INFO, sdp,
@@ -580,9 +616,11 @@ sg_write(struct file *filp, const char __user *buf, size_t count, loff_t * ppos)
struct sg_header old_hdr;
sg_io_hdr_t *hp;
unsigned char cmnd[SG_MAX_CDB_SIZE];
+ int retval;
- if (unlikely(uaccess_kernel()))
- return -EINVAL;
+ retval = sg_check_file_access(filp, __func__);
+ if (retval)
+ return retval;
if ((!(sfp = (Sg_fd *) filp->private_data)) || (!(sdp = sfp->parentdp)))
return -ENXIO;
diff --git a/drivers/scsi/xen-scsifront.c b/drivers/scsi/xen-scsifront.c
index 36f59a1be7e9..61389bdc7926 100644
--- a/drivers/scsi/xen-scsifront.c
+++ b/drivers/scsi/xen-scsifront.c
@@ -654,10 +654,17 @@ static int scsifront_dev_reset_handler(struct scsi_cmnd *sc)
static int scsifront_sdev_configure(struct scsi_device *sdev)
{
struct vscsifrnt_info *info = shost_priv(sdev->host);
+ int err;
- if (info && current == info->curr)
- xenbus_printf(XBT_NIL, info->dev->nodename,
+ if (info && current == info->curr) {
+ err = xenbus_printf(XBT_NIL, info->dev->nodename,
info->dev_state_path, "%d", XenbusStateConnected);
+ if (err) {
+ xenbus_dev_error(info->dev, err,
+ "%s: writing dev_state_path", __func__);
+ return err;
+ }
+ }
return 0;
}
@@ -665,10 +672,15 @@ static int scsifront_sdev_configure(struct scsi_device *sdev)
static void scsifront_sdev_destroy(struct scsi_device *sdev)
{
struct vscsifrnt_info *info = shost_priv(sdev->host);
+ int err;
- if (info && current == info->curr)
- xenbus_printf(XBT_NIL, info->dev->nodename,
+ if (info && current == info->curr) {
+ err = xenbus_printf(XBT_NIL, info->dev->nodename,
info->dev_state_path, "%d", XenbusStateClosed);
+ if (err)
+ xenbus_dev_error(info->dev, err,
+ "%s: writing dev_state_path", __func__);
+ }
}
static struct scsi_host_template scsifront_sht = {
@@ -1003,9 +1015,12 @@ static void scsifront_do_lun_hotplug(struct vscsifrnt_info *info, int op)
if (scsi_add_device(info->host, chn, tgt, lun)) {
dev_err(&dev->dev, "scsi_add_device\n");
- xenbus_printf(XBT_NIL, dev->nodename,
+ err = xenbus_printf(XBT_NIL, dev->nodename,
info->dev_state_path,
"%d", XenbusStateClosed);
+ if (err)
+ xenbus_dev_error(dev, err,
+ "%s: writing dev_state_path", __func__);
}
break;
case VSCSIFRONT_OP_DEL_LUN:
@@ -1019,10 +1034,14 @@ static void scsifront_do_lun_hotplug(struct vscsifrnt_info *info, int op)
}
break;
case VSCSIFRONT_OP_READD_LUN:
- if (device_state == XenbusStateConnected)
- xenbus_printf(XBT_NIL, dev->nodename,
+ if (device_state == XenbusStateConnected) {
+ err = xenbus_printf(XBT_NIL, dev->nodename,
info->dev_state_path,
"%d", XenbusStateConnected);
+ if (err)
+ xenbus_dev_error(dev, err,
+ "%s: writing dev_state_path", __func__);
+ }
break;
default:
break;