diff options
Diffstat (limited to 'drivers/scsi')
-rw-r--r-- | drivers/scsi/bnx2fc/bnx2fc_fcoe.c | 6 | ||||
-rw-r--r-- | drivers/scsi/fcoe/fcoe.c | 15 | ||||
-rw-r--r-- | drivers/scsi/fcoe/fcoe_ctlr.c | 60 | ||||
-rw-r--r-- | drivers/scsi/ibmvscsi/ibmvscsi.c | 2 | ||||
-rw-r--r-- | drivers/scsi/ipr.c | 13 | ||||
-rw-r--r-- | drivers/scsi/libfc/fc_disc.c | 26 | ||||
-rw-r--r-- | drivers/scsi/libsas/sas_expander.c | 14 | ||||
-rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 3 | ||||
-rw-r--r-- | drivers/scsi/qla2xxx/qla_attr.c | 5 | ||||
-rw-r--r-- | drivers/scsi/qla2xxx/qla_dbg.c | 3 | ||||
-rw-r--r-- | drivers/scsi/qla2xxx/qla_def.h | 1 | ||||
-rw-r--r-- | drivers/scsi/qla2xxx/qla_gbl.h | 3 | ||||
-rw-r--r-- | drivers/scsi/qla2xxx/qla_init.c | 4 | ||||
-rw-r--r-- | drivers/scsi/qla2xxx/qla_mbx.c | 58 | ||||
-rw-r--r-- | drivers/scsi/qla2xxx/qla_version.h | 2 | ||||
-rw-r--r-- | drivers/scsi/st.c | 8 |
16 files changed, 115 insertions, 108 deletions
diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c index 2daf4b0da43..90bc7bd0096 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c +++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c @@ -940,6 +940,7 @@ static int bnx2fc_libfc_config(struct fc_lport *lport) fc_exch_init(lport); fc_rport_init(lport); fc_disc_init(lport); + fc_disc_config(lport, lport); return 0; } @@ -2133,6 +2134,7 @@ static int _bnx2fc_create(struct net_device *netdev, } ctlr = bnx2fc_to_ctlr(interface); + cdev = fcoe_ctlr_to_ctlr_dev(ctlr); interface->vlan_id = vlan_id; interface->timer_work_queue = @@ -2143,7 +2145,7 @@ static int _bnx2fc_create(struct net_device *netdev, goto ifput_err; } - lport = bnx2fc_if_create(interface, &interface->hba->pcidev->dev, 0); + lport = bnx2fc_if_create(interface, &cdev->dev, 0); if (!lport) { printk(KERN_ERR PFX "Failed to create interface (%s)\n", netdev->name); @@ -2159,8 +2161,6 @@ static int _bnx2fc_create(struct net_device *netdev, /* Make this master N_port */ ctlr->lp = lport; - cdev = fcoe_ctlr_to_ctlr_dev(ctlr); - if (link_state == BNX2FC_CREATE_LINK_UP) cdev->enabled = FCOE_CTLR_ENABLED; else diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c index b5d92fc93c7..9bfdc9a3f89 100644 --- a/drivers/scsi/fcoe/fcoe.c +++ b/drivers/scsi/fcoe/fcoe.c @@ -490,7 +490,6 @@ static void fcoe_interface_cleanup(struct fcoe_interface *fcoe) { struct net_device *netdev = fcoe->netdev; struct fcoe_ctlr *fip = fcoe_to_ctlr(fcoe); - struct fcoe_ctlr_device *ctlr_dev = fcoe_ctlr_to_ctlr_dev(fip); rtnl_lock(); if (!fcoe->removed) @@ -501,7 +500,6 @@ static void fcoe_interface_cleanup(struct fcoe_interface *fcoe) /* tear-down the FCoE controller */ fcoe_ctlr_destroy(fip); scsi_host_put(fip->lp->host); - fcoe_ctlr_device_delete(ctlr_dev); dev_put(netdev); module_put(THIS_MODULE); } @@ -2194,6 +2192,8 @@ out_nodev: */ static void fcoe_destroy_work(struct work_struct *work) { + struct fcoe_ctlr_device *cdev; + struct fcoe_ctlr *ctlr; struct fcoe_port *port; struct fcoe_interface *fcoe; struct Scsi_Host *shost; @@ -2224,10 +2224,15 @@ static void fcoe_destroy_work(struct work_struct *work) mutex_lock(&fcoe_config_mutex); fcoe = port->priv; + ctlr = fcoe_to_ctlr(fcoe); + cdev = fcoe_ctlr_to_ctlr_dev(ctlr); + fcoe_if_destroy(port->lport); fcoe_interface_cleanup(fcoe); mutex_unlock(&fcoe_config_mutex); + + fcoe_ctlr_device_delete(cdev); } /** @@ -2335,7 +2340,9 @@ static int _fcoe_create(struct net_device *netdev, enum fip_state fip_mode, rc = -EIO; rtnl_unlock(); fcoe_interface_cleanup(fcoe); - goto out_nortnl; + mutex_unlock(&fcoe_config_mutex); + fcoe_ctlr_device_delete(ctlr_dev); + goto out; } /* Make this the "master" N_Port */ @@ -2375,8 +2382,8 @@ static int _fcoe_create(struct net_device *netdev, enum fip_state fip_mode, out_nodev: rtnl_unlock(); -out_nortnl: mutex_unlock(&fcoe_config_mutex); +out: return rc; } diff --git a/drivers/scsi/fcoe/fcoe_ctlr.c b/drivers/scsi/fcoe/fcoe_ctlr.c index 08c3bc398da..a76247201be 100644 --- a/drivers/scsi/fcoe/fcoe_ctlr.c +++ b/drivers/scsi/fcoe/fcoe_ctlr.c @@ -2815,6 +2815,47 @@ unlock: } /** + * fcoe_ctlr_mode_set() - Set or reset the ctlr's mode + * @lport: The local port to be (re)configured + * @fip: The FCoE controller whose mode is changing + * @fip_mode: The new fip mode + * + * Note that the we shouldn't be changing the libfc discovery settings + * (fc_disc_config) while an lport is going through the libfc state + * machine. The mode can only be changed when a fcoe_ctlr device is + * disabled, so that should ensure that this routine is only called + * when nothing is happening. + */ +void fcoe_ctlr_mode_set(struct fc_lport *lport, struct fcoe_ctlr *fip, + enum fip_state fip_mode) +{ + void *priv; + + WARN_ON(lport->state != LPORT_ST_RESET && + lport->state != LPORT_ST_DISABLED); + + if (fip_mode == FIP_MODE_VN2VN) { + lport->rport_priv_size = sizeof(struct fcoe_rport); + lport->point_to_multipoint = 1; + lport->tt.disc_recv_req = fcoe_ctlr_disc_recv; + lport->tt.disc_start = fcoe_ctlr_disc_start; + lport->tt.disc_stop = fcoe_ctlr_disc_stop; + lport->tt.disc_stop_final = fcoe_ctlr_disc_stop_final; + priv = fip; + } else { + lport->rport_priv_size = 0; + lport->point_to_multipoint = 0; + lport->tt.disc_recv_req = NULL; + lport->tt.disc_start = NULL; + lport->tt.disc_stop = NULL; + lport->tt.disc_stop_final = NULL; + priv = lport; + } + + fc_disc_config(lport, priv); +} + +/** * fcoe_libfc_config() - Sets up libfc related properties for local port * @lport: The local port to configure libfc for * @fip: The FCoE controller in use by the local port @@ -2833,21 +2874,9 @@ int fcoe_libfc_config(struct fc_lport *lport, struct fcoe_ctlr *fip, fc_exch_init(lport); fc_elsct_init(lport); fc_lport_init(lport); - if (fip->mode == FIP_MODE_VN2VN) - lport->rport_priv_size = sizeof(struct fcoe_rport); fc_rport_init(lport); - if (fip->mode == FIP_MODE_VN2VN) { - lport->point_to_multipoint = 1; - lport->tt.disc_recv_req = fcoe_ctlr_disc_recv; - lport->tt.disc_start = fcoe_ctlr_disc_start; - lport->tt.disc_stop = fcoe_ctlr_disc_stop; - lport->tt.disc_stop_final = fcoe_ctlr_disc_stop_final; - mutex_init(&lport->disc.disc_mutex); - INIT_LIST_HEAD(&lport->disc.rports); - lport->disc.priv = fip; - } else { - fc_disc_init(lport); - } + fc_disc_init(lport); + fcoe_ctlr_mode_set(lport, fip, fip->mode); return 0; } EXPORT_SYMBOL_GPL(fcoe_libfc_config); @@ -2875,6 +2904,7 @@ EXPORT_SYMBOL(fcoe_fcf_get_selected); void fcoe_ctlr_set_fip_mode(struct fcoe_ctlr_device *ctlr_dev) { struct fcoe_ctlr *ctlr = fcoe_ctlr_device_priv(ctlr_dev); + struct fc_lport *lport = ctlr->lp; mutex_lock(&ctlr->ctlr_mutex); switch (ctlr_dev->mode) { @@ -2888,5 +2918,7 @@ void fcoe_ctlr_set_fip_mode(struct fcoe_ctlr_device *ctlr_dev) } mutex_unlock(&ctlr->ctlr_mutex); + + fcoe_ctlr_mode_set(lport, ctlr, ctlr->mode); } EXPORT_SYMBOL(fcoe_ctlr_set_fip_mode); diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c index a044f593e8b..d0fa4b6c551 100644 --- a/drivers/scsi/ibmvscsi/ibmvscsi.c +++ b/drivers/scsi/ibmvscsi/ibmvscsi.c @@ -1899,8 +1899,8 @@ static int ibmvscsi_slave_configure(struct scsi_device *sdev) sdev->allow_restart = 1; blk_queue_rq_timeout(sdev->request_queue, 120 * HZ); } - scsi_adjust_queue_depth(sdev, 0, shost->cmd_per_lun); spin_unlock_irqrestore(shost->host_lock, lock_flags); + scsi_adjust_queue_depth(sdev, 0, shost->cmd_per_lun); return 0; } diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index f328089a106..2197b57fb22 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -5148,7 +5148,7 @@ static int ipr_cancel_op(struct scsi_cmnd *scsi_cmd) ipr_trace; } - list_add_tail(&ipr_cmd->queue, &hrrq->hrrq_free_q); + list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); if (!ipr_is_naca_model(res)) res->needs_sync_complete = 1; @@ -9349,7 +9349,10 @@ static int ipr_test_msi(struct ipr_ioa_cfg *ioa_cfg, struct pci_dev *pdev) int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); - rc = request_irq(pdev->irq, ipr_test_intr, 0, IPR_NAME, ioa_cfg); + if (ioa_cfg->intr_flag == IPR_USE_MSIX) + rc = request_irq(ioa_cfg->vectors_info[0].vec, ipr_test_intr, 0, IPR_NAME, ioa_cfg); + else + rc = request_irq(pdev->irq, ipr_test_intr, 0, IPR_NAME, ioa_cfg); if (rc) { dev_err(&pdev->dev, "Can not assign irq %d\n", pdev->irq); return rc; @@ -9371,7 +9374,10 @@ static int ipr_test_msi(struct ipr_ioa_cfg *ioa_cfg, struct pci_dev *pdev) spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); - free_irq(pdev->irq, ioa_cfg); + if (ioa_cfg->intr_flag == IPR_USE_MSIX) + free_irq(ioa_cfg->vectors_info[0].vec, ioa_cfg); + else + free_irq(pdev->irq, ioa_cfg); LEAVE; @@ -9722,6 +9728,7 @@ static void __ipr_remove(struct pci_dev *pdev) spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags); wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); flush_work(&ioa_cfg->work_q); + INIT_LIST_HEAD(&ioa_cfg->used_res_q); spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags); spin_lock(&ipr_driver_lock); diff --git a/drivers/scsi/libfc/fc_disc.c b/drivers/scsi/libfc/fc_disc.c index 8e561e6a557..880a9068ca1 100644 --- a/drivers/scsi/libfc/fc_disc.c +++ b/drivers/scsi/libfc/fc_disc.c @@ -712,12 +712,13 @@ static void fc_disc_stop_final(struct fc_lport *lport) } /** - * fc_disc_init() - Initialize the discovery layer for a local port - * @lport: The local port that needs the discovery layer to be initialized + * fc_disc_config() - Configure the discovery layer for a local port + * @lport: The local port that needs the discovery layer to be configured + * @priv: Private data structre for users of the discovery layer */ -int fc_disc_init(struct fc_lport *lport) +void fc_disc_config(struct fc_lport *lport, void *priv) { - struct fc_disc *disc; + struct fc_disc *disc = &lport->disc; if (!lport->tt.disc_start) lport->tt.disc_start = fc_disc_start; @@ -732,12 +733,21 @@ int fc_disc_init(struct fc_lport *lport) lport->tt.disc_recv_req = fc_disc_recv_req; disc = &lport->disc; + + disc->priv = priv; +} +EXPORT_SYMBOL(fc_disc_config); + +/** + * fc_disc_init() - Initialize the discovery layer for a local port + * @lport: The local port that needs the discovery layer to be initialized + */ +void fc_disc_init(struct fc_lport *lport) +{ + struct fc_disc *disc = &lport->disc; + INIT_DELAYED_WORK(&disc->disc_work, fc_disc_timeout); mutex_init(&disc->disc_mutex); INIT_LIST_HEAD(&disc->rports); - - disc->priv = lport; - - return 0; } EXPORT_SYMBOL(fc_disc_init); diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c index aec2e0da501..55cbd018015 100644 --- a/drivers/scsi/libsas/sas_expander.c +++ b/drivers/scsi/libsas/sas_expander.c @@ -235,6 +235,17 @@ static void sas_set_ex_phy(struct domain_device *dev, int phy_id, void *rsp) linkrate = phy->linkrate; memcpy(sas_addr, phy->attached_sas_addr, SAS_ADDR_SIZE); + /* Handle vacant phy - rest of dr data is not valid so skip it */ + if (phy->phy_state == PHY_VACANT) { + memset(phy->attached_sas_addr, 0, SAS_ADDR_SIZE); + phy->attached_dev_type = NO_DEVICE; + if (!test_bit(SAS_HA_ATA_EH_ACTIVE, &ha->state)) { + phy->phy_id = phy_id; + goto skip; + } else + goto out; + } + phy->attached_dev_type = to_dev_type(dr); if (test_bit(SAS_HA_ATA_EH_ACTIVE, &ha->state)) goto out; @@ -272,6 +283,7 @@ static void sas_set_ex_phy(struct domain_device *dev, int phy_id, void *rsp) phy->phy->maximum_linkrate = dr->pmax_linkrate; phy->phy->negotiated_linkrate = phy->linkrate; + skip: if (new_phy) if (sas_phy_add(phy->phy)) { sas_phy_free(phy->phy); @@ -388,7 +400,7 @@ int sas_ex_phy_discover(struct domain_device *dev, int single) if (!disc_req) return -ENOMEM; - disc_resp = alloc_smp_req(DISCOVER_RESP_SIZE); + disc_resp = alloc_smp_resp(DISCOVER_RESP_SIZE); if (!disc_resp) { kfree(disc_req); return -ENOMEM; diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 74b67d98e95..d43faf34c1e 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -438,11 +438,12 @@ lpfc_sli4_rq_put(struct lpfc_queue *hq, struct lpfc_queue *dq, struct lpfc_rqe *temp_hrqe; struct lpfc_rqe *temp_drqe; struct lpfc_register doorbell; - int put_index = hq->host_index; + int put_index; /* sanity check on queue memory */ if (unlikely(!hq) || unlikely(!dq)) return -ENOMEM; + put_index = hq->host_index; temp_hrqe = hq->qe[hq->host_index].rqe; temp_drqe = dq->qe[dq->host_index].rqe; diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index 1d82eef4e1e..b3db9dcc261 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -1938,11 +1938,6 @@ qla24xx_vport_delete(struct fc_vport *fc_vport) "Timer for the VP[%d] has stopped\n", vha->vp_idx); } - /* No pending activities shall be there on the vha now */ - if (ql2xextended_error_logging & ql_dbg_user) - msleep(random32()%10); /* Just to see if something falls on - * the net we have placed below */ - BUG_ON(atomic_read(&vha->vref_count)); qla2x00_free_fcports(vha); diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c index 1626de52e32..fbc305f1c87 100644 --- a/drivers/scsi/qla2xxx/qla_dbg.c +++ b/drivers/scsi/qla2xxx/qla_dbg.c @@ -15,6 +15,7 @@ * | Mailbox commands | 0x115b | 0x111a-0x111b | * | | | 0x112c-0x112e | * | | | 0x113a | + * | | | 0x1155-0x1158 | * | Device Discovery | 0x2087 | 0x2020-0x2022, | * | | | 0x2016 | * | Queue Command and IO tracing | 0x3031 | 0x3006-0x300b | @@ -401,7 +402,7 @@ qla2xxx_copy_atioqueues(struct qla_hw_data *ha, void *ptr, void *ring; } aq, *aqp; - if (!ha->tgt.atio_q_length) + if (!ha->tgt.atio_ring) return ptr; num_queues = 1; diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index c6509911772..65c5ff75936 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -863,7 +863,6 @@ typedef struct { #define MBX_1 BIT_1 #define MBX_0 BIT_0 -#define RNID_TYPE_SET_VERSION 0x9 #define RNID_TYPE_ASIC_TEMP 0xC /* diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index eb3ca21a7f1..b310fa97b54 100644 --- a/drivers/scsi/qla2xxx/qla_gbl.h +++ b/drivers/scsi/qla2xxx/qla_gbl.h @@ -358,9 +358,6 @@ extern int qla2x00_disable_fce_trace(scsi_qla_host_t *, uint64_t *, uint64_t *); extern int -qla2x00_set_driver_version(scsi_qla_host_t *, char *); - -extern int qla2x00_read_sfp(scsi_qla_host_t *, dma_addr_t, uint8_t *, uint16_t, uint16_t, uint16_t, uint16_t); diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index edf4d14a133..b59203393cb 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -619,8 +619,6 @@ qla2x00_initialize_adapter(scsi_qla_host_t *vha) if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha)) qla24xx_read_fcp_prio_cfg(vha); - qla2x00_set_driver_version(vha, QLA2XXX_VERSION); - return (rval); } @@ -1399,7 +1397,7 @@ qla2x00_alloc_fw_dump(scsi_qla_host_t *vha) mq_size += ha->max_rsp_queues * (rsp->length * sizeof(response_t)); } - if (ha->tgt.atio_q_length) + if (ha->tgt.atio_ring) mq_size += ha->tgt.atio_q_length * sizeof(request_t); /* Allocate memory for Fibre Channel Event Buffer. */ if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha)) diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index 186dd59ce4f..43345af5643 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -3866,64 +3866,6 @@ qla81xx_restart_mpi_firmware(scsi_qla_host_t *vha) return rval; } -int -qla2x00_set_driver_version(scsi_qla_host_t *vha, char *version) -{ - int rval; - mbx_cmd_t mc; - mbx_cmd_t *mcp = &mc; - int len; - uint16_t dwlen; - uint8_t *str; - dma_addr_t str_dma; - struct qla_hw_data *ha = vha->hw; - - if (!IS_FWI2_CAPABLE(ha) || IS_QLA82XX(ha)) - return QLA_FUNCTION_FAILED; - - ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1155, - "Entered %s.\n", __func__); - - str = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &str_dma); - if (!str) { - ql_log(ql_log_warn, vha, 0x1156, - "Failed to allocate driver version param.\n"); - return QLA_MEMORY_ALLOC_FAILED; - } - - memcpy(str, "\x7\x3\x11\x0", 4); - dwlen = str[0]; - len = dwlen * sizeof(uint32_t) - 4; - memset(str + 4, 0, len); - if (len > strlen(version)) - len = strlen(version); - memcpy(str + 4, version, len); - - mcp->mb[0] = MBC_SET_RNID_PARAMS; - mcp->mb[1] = RNID_TYPE_SET_VERSION << 8 | dwlen; - mcp->mb[2] = MSW(LSD(str_dma)); - mcp->mb[3] = LSW(LSD(str_dma)); - mcp->mb[6] = MSW(MSD(str_dma)); - mcp->mb[7] = LSW(MSD(str_dma)); - mcp->out_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0; - mcp->in_mb = MBX_0; - mcp->tov = MBX_TOV_SECONDS; - mcp->flags = 0; - rval = qla2x00_mailbox_command(vha, mcp); - - if (rval != QLA_SUCCESS) { - ql_dbg(ql_dbg_mbx, vha, 0x1157, - "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]); - } else { - ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1158, - "Done %s.\n", __func__); - } - - dma_pool_free(ha->s_dma_pool, str, str_dma); - - return rval; -} - static int qla2x00_read_asic_temperature(scsi_qla_host_t *vha, uint16_t *temp) { diff --git a/drivers/scsi/qla2xxx/qla_version.h b/drivers/scsi/qla2xxx/qla_version.h index 2b6e478d9e3..ec54036d1e1 100644 --- a/drivers/scsi/qla2xxx/qla_version.h +++ b/drivers/scsi/qla2xxx/qla_version.h @@ -7,7 +7,7 @@ /* * Driver version */ -#define QLA2XXX_VERSION "8.04.00.08-k" +#define QLA2XXX_VERSION "8.04.00.13-k" #define QLA_DRIVER_MAJOR_VER 8 #define QLA_DRIVER_MINOR_VER 4 diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index 86974471af6..2a32036a940 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -4112,6 +4112,10 @@ static int st_probe(struct device *dev) tpnt->disk = disk; disk->private_data = &tpnt->driver; disk->queue = SDp->request_queue; + /* SCSI tape doesn't register this gendisk via add_disk(). Manually + * take queue reference that release_disk() expects. */ + if (!blk_get_queue(disk->queue)) + goto out_put_disk; tpnt->driver = &st_template; tpnt->device = SDp; @@ -4185,7 +4189,7 @@ static int st_probe(struct device *dev) idr_preload_end(); if (error < 0) { pr_warn("st: idr allocation failed: %d\n", error); - goto out_put_disk; + goto out_put_queue; } tpnt->index = error; sprintf(disk->disk_name, "st%d", tpnt->index); @@ -4211,6 +4215,8 @@ out_remove_devs: spin_lock(&st_index_lock); idr_remove(&st_index_idr, tpnt->index); spin_unlock(&st_index_lock); +out_put_queue: + blk_put_queue(disk->queue); out_put_disk: put_disk(disk); kfree(tpnt); |