diff options
Diffstat (limited to 'drivers/scsi')
-rw-r--r-- | drivers/scsi/dpt_i2o.c | 25 | ||||
-rw-r--r-- | drivers/scsi/ibmvscsi/ibmvscsi.h | 2 | ||||
-rw-r--r-- | drivers/scsi/ibmvscsi/iseries_vscsi.c | 3 | ||||
-rw-r--r-- | drivers/scsi/ibmvscsi/rpa_vscsi.c | 8 | ||||
-rw-r--r-- | drivers/scsi/iscsi_tcp.c | 2 | ||||
-rw-r--r-- | drivers/scsi/libata-core.c | 4 | ||||
-rw-r--r-- | drivers/scsi/libata-scsi.c | 7 | ||||
-rw-r--r-- | drivers/scsi/megaraid.c | 2 | ||||
-rw-r--r-- | drivers/scsi/qla2xxx/qla_def.h | 10 | ||||
-rw-r--r-- | drivers/scsi/qla2xxx/qla_init.c | 6 | ||||
-rw-r--r-- | drivers/scsi/qla2xxx/qla_isr.c | 15 | ||||
-rw-r--r-- | drivers/scsi/sata_mv.c | 3 | ||||
-rw-r--r-- | drivers/scsi/sata_promise.c | 12 | ||||
-rw-r--r-- | drivers/scsi/sata_sx4.c | 3 | ||||
-rw-r--r-- | drivers/scsi/scsi_error.c | 7 | ||||
-rw-r--r-- | drivers/scsi/scsi_lib.c | 42 | ||||
-rw-r--r-- | drivers/scsi/scsi_scan.c | 3 | ||||
-rw-r--r-- | drivers/scsi/scsi_transport_iscsi.c | 2 | ||||
-rw-r--r-- | drivers/scsi/sd.c | 16 | ||||
-rw-r--r-- | drivers/scsi/sr.c | 20 | ||||
-rw-r--r-- | drivers/scsi/st.c | 19 | ||||
-rw-r--r-- | drivers/scsi/sym53c8xx_2/sym_hipd.c | 4 |
22 files changed, 111 insertions, 104 deletions
diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c index 418fc7b896ac..6252b9ddc01e 100644 --- a/drivers/scsi/dpt_i2o.c +++ b/drivers/scsi/dpt_i2o.c @@ -660,7 +660,12 @@ static int adpt_abort(struct scsi_cmnd * cmd) msg[2] = 0; msg[3]= 0; msg[4] = (u32)cmd; - if( (rcode = adpt_i2o_post_wait(pHba, msg, sizeof(msg), FOREVER)) != 0){ + if (pHba->host) + spin_lock_irq(pHba->host->host_lock); + rcode = adpt_i2o_post_wait(pHba, msg, sizeof(msg), FOREVER); + if (pHba->host) + spin_unlock_irq(pHba->host->host_lock); + if (rcode != 0) { if(rcode == -EOPNOTSUPP ){ printk(KERN_INFO"%s: Abort cmd not supported\n",pHba->name); return FAILED; @@ -697,10 +702,15 @@ static int adpt_device_reset(struct scsi_cmnd* cmd) msg[2] = 0; msg[3] = 0; + if (pHba->host) + spin_lock_irq(pHba->host->host_lock); old_state = d->state; d->state |= DPTI_DEV_RESET; - if( (rcode = adpt_i2o_post_wait(pHba, msg,sizeof(msg), FOREVER)) ){ - d->state = old_state; + rcode = adpt_i2o_post_wait(pHba, msg,sizeof(msg), FOREVER); + d->state = old_state; + if (pHba->host) + spin_unlock_irq(pHba->host->host_lock); + if (rcode != 0) { if(rcode == -EOPNOTSUPP ){ printk(KERN_INFO"%s: Device reset not supported\n",pHba->name); return FAILED; @@ -708,7 +718,6 @@ static int adpt_device_reset(struct scsi_cmnd* cmd) printk(KERN_INFO"%s: Device reset failed\n",pHba->name); return FAILED; } else { - d->state = old_state; printk(KERN_INFO"%s: Device reset successful\n",pHba->name); return SUCCESS; } @@ -721,6 +730,7 @@ static int adpt_bus_reset(struct scsi_cmnd* cmd) { adpt_hba* pHba; u32 msg[4]; + u32 rcode; pHba = (adpt_hba*)cmd->device->host->hostdata[0]; memset(msg, 0, sizeof(msg)); @@ -729,7 +739,12 @@ static int adpt_bus_reset(struct scsi_cmnd* cmd) msg[1] = (I2O_HBA_BUS_RESET<<24|HOST_TID<<12|pHba->channel[cmd->device->channel].tid); msg[2] = 0; msg[3] = 0; - if(adpt_i2o_post_wait(pHba, msg,sizeof(msg), FOREVER) ){ + if (pHba->host) + spin_lock_irq(pHba->host->host_lock); + rcode = adpt_i2o_post_wait(pHba, msg,sizeof(msg), FOREVER); + if (pHba->host) + spin_unlock_irq(pHba->host->host_lock); + if (rcode != 0) { printk(KERN_WARNING"%s: Bus reset failed.\n",pHba->name); return FAILED; } else { diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.h b/drivers/scsi/ibmvscsi/ibmvscsi.h index 8bec0438dc8a..5b0edd1f1921 100644 --- a/drivers/scsi/ibmvscsi/ibmvscsi.h +++ b/drivers/scsi/ibmvscsi/ibmvscsi.h @@ -100,7 +100,7 @@ int ibmvscsi_init_crq_queue(struct crq_queue *queue, void ibmvscsi_release_crq_queue(struct crq_queue *queue, struct ibmvscsi_host_data *hostdata, int max_requests); -void ibmvscsi_reset_crq_queue(struct crq_queue *queue, +int ibmvscsi_reset_crq_queue(struct crq_queue *queue, struct ibmvscsi_host_data *hostdata); void ibmvscsi_handle_crq(struct viosrp_crq *crq, diff --git a/drivers/scsi/ibmvscsi/iseries_vscsi.c b/drivers/scsi/ibmvscsi/iseries_vscsi.c index 1045872b0175..ce15d9e39621 100644 --- a/drivers/scsi/ibmvscsi/iseries_vscsi.c +++ b/drivers/scsi/ibmvscsi/iseries_vscsi.c @@ -117,9 +117,10 @@ void ibmvscsi_release_crq_queue(struct crq_queue *queue, * * no-op for iSeries */ -void ibmvscsi_reset_crq_queue(struct crq_queue *queue, +int ibmvscsi_reset_crq_queue(struct crq_queue *queue, struct ibmvscsi_host_data *hostdata) { + return 0; } /** diff --git a/drivers/scsi/ibmvscsi/rpa_vscsi.c b/drivers/scsi/ibmvscsi/rpa_vscsi.c index 8bf5652f1060..75db2f5c545e 100644 --- a/drivers/scsi/ibmvscsi/rpa_vscsi.c +++ b/drivers/scsi/ibmvscsi/rpa_vscsi.c @@ -230,6 +230,11 @@ int ibmvscsi_init_crq_queue(struct crq_queue *queue, rc = plpar_hcall_norets(H_REG_CRQ, vdev->unit_address, queue->msg_token, PAGE_SIZE); + if (rc == H_Resource) + /* maybe kexecing and resource is busy. try a reset */ + rc = ibmvscsi_reset_crq_queue(queue, + hostdata); + if (rc == 2) { /* Adapter is good, but other end is not ready */ printk(KERN_WARNING "ibmvscsi: Partner adapter not ready\n"); @@ -281,7 +286,7 @@ int ibmvscsi_init_crq_queue(struct crq_queue *queue, * @hostdata: ibmvscsi_host_data of host * */ -void ibmvscsi_reset_crq_queue(struct crq_queue *queue, +int ibmvscsi_reset_crq_queue(struct crq_queue *queue, struct ibmvscsi_host_data *hostdata) { int rc; @@ -309,4 +314,5 @@ void ibmvscsi_reset_crq_queue(struct crq_queue *queue, printk(KERN_WARNING "ibmvscsi: couldn't register crq--rc 0x%x\n", rc); } + return rc; } diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c index 4fea3e4edaa7..3d8009f55342 100644 --- a/drivers/scsi/iscsi_tcp.c +++ b/drivers/scsi/iscsi_tcp.c @@ -3368,7 +3368,7 @@ iscsi_conn_set_param(iscsi_connh_t connh, enum iscsi_param param, switch(param) { case ISCSI_PARAM_MAX_RECV_DLENGTH: { char *saveptr = conn->data; - int flags = GFP_KERNEL; + gfp_t flags = GFP_KERNEL; if (conn->data_size >= value) { conn->max_recv_dlength = value; diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c index 665ae79e1fd6..d0a0fdbd0fc4 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -2443,7 +2443,7 @@ static void ata_sg_clean(struct ata_queued_cmd *qc) struct scatterlist *psg = &qc->pad_sgent; void *addr = kmap_atomic(psg->page, KM_IRQ0); memcpy(addr + psg->offset, pad_buf, qc->pad_len); - kunmap_atomic(psg->page, KM_IRQ0); + kunmap_atomic(addr, KM_IRQ0); } } else { if (sg_dma_len(&sg[0]) > 0) @@ -2717,7 +2717,7 @@ static int ata_sg_setup(struct ata_queued_cmd *qc) if (qc->tf.flags & ATA_TFLAG_WRITE) { void *addr = kmap_atomic(psg->page, KM_IRQ0); memcpy(pad_buf, addr + psg->offset, qc->pad_len); - kunmap_atomic(psg->page, KM_IRQ0); + kunmap_atomic(addr, KM_IRQ0); } sg_dma_address(psg) = ap->pad_dma + (qc->tag * ATA_DMA_PAD_SZ); diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c index 379e87089764..72ddba98f8fb 100644 --- a/drivers/scsi/libata-scsi.c +++ b/drivers/scsi/libata-scsi.c @@ -2173,9 +2173,12 @@ ata_scsi_find_dev(struct ata_port *ap, const struct scsi_device *scsidev) if (unlikely(!ata_dev_present(dev))) return NULL; - if (!atapi_enabled) { - if (unlikely(dev->class == ATA_DEV_ATAPI)) + if (!atapi_enabled || (ap->flags & ATA_FLAG_NO_ATAPI)) { + if (unlikely(dev->class == ATA_DEV_ATAPI)) { + printk(KERN_WARNING "ata%u(%u): WARNING: ATAPI is %s, device ignored.\n", + ap->id, dev->devno, atapi_enabled ? "not supported with this driver" : "disabled"); return NULL; + } } return dev; diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c index f9792528e33f..578143e93a6f 100644 --- a/drivers/scsi/megaraid.c +++ b/drivers/scsi/megaraid.c @@ -664,7 +664,7 @@ mega_build_cmd(adapter_t *adapter, Scsi_Cmnd *cmd, int *busy) sg->offset; } else buf = cmd->request_buffer; - memset(cmd->request_buffer, 0, cmd->cmnd[4]); + memset(buf, 0, cmd->cmnd[4]); if (cmd->use_sg) { struct scatterlist *sg; diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index 7096945ea234..7b3efd531297 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -2476,17 +2476,9 @@ typedef struct scsi_qla_host { */ #define LOOP_TRANSITION(ha) \ (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) || \ - test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) - -#define LOOP_NOT_READY(ha) \ - ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) || \ - test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) || \ - test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) || \ - test_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) || \ + test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) || \ atomic_read(&ha->loop_state) == LOOP_DOWN) -#define LOOP_RDY(ha) (!LOOP_NOT_READY(ha)) - #define TGT_Q(ha, t) (ha->otgt[t]) #define to_qla_host(x) ((scsi_qla_host_t *) (x)->hostdata) diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 2d720121a0d3..c46d2469b85f 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -1259,7 +1259,7 @@ qla2x00_configure_hba(scsi_qla_host_t *ha) rval = qla2x00_get_adapter_id(ha, &loop_id, &al_pa, &area, &domain, &topo); if (rval != QLA_SUCCESS) { - if (LOOP_NOT_READY(ha) || atomic_read(&ha->loop_down_timer) || + if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) || (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) { DEBUG2(printk("%s(%ld) Loop is in a transition state\n", __func__, ha->host_no)); @@ -1796,7 +1796,7 @@ qla2x00_configure_loop(scsi_qla_host_t *ha) } if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) { - if (LOOP_NOT_READY(ha)) { + if (LOOP_TRANSITION(ha)) { rval = QLA_FUNCTION_FAILED; } else { rval = qla2x00_configure_fabric(ha); @@ -2369,7 +2369,7 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports) if (qla2x00_is_reserved_id(ha, loop_id)) continue; - if (atomic_read(&ha->loop_down_timer) || LOOP_NOT_READY(ha)) + if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha)) break; if (swl != NULL) { diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index 09afc0f06bd4..5181d966fecb 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -909,6 +909,21 @@ qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt) resid = resid_len; cp->resid = resid; CMD_RESID_LEN(cp) = resid; + + if (!lscsi_status && + ((unsigned)(cp->request_bufflen - resid) < + cp->underflow)) { + qla_printk(KERN_INFO, ha, + "scsi(%ld:%d:%d:%d): Mid-layer underflow " + "detected (%x of %x bytes)...returning " + "error status.\n", ha->host_no, + cp->device->channel, cp->device->id, + cp->device->lun, resid, + cp->request_bufflen); + + cp->result = DID_ERROR << 16; + break; + } } cp->result = DID_OK << 16 | lscsi_status; diff --git a/drivers/scsi/sata_mv.c b/drivers/scsi/sata_mv.c index ab7432a5778e..9321cdf45680 100644 --- a/drivers/scsi/sata_mv.c +++ b/drivers/scsi/sata_mv.c @@ -86,7 +86,8 @@ enum { MV_FLAG_DUAL_HC = (1 << 30), /* two SATA Host Controllers */ MV_FLAG_IRQ_COALESCE = (1 << 29), /* IRQ coalescing capability */ MV_COMMON_FLAGS = (ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | - ATA_FLAG_SATA_RESET | ATA_FLAG_MMIO), + ATA_FLAG_SATA_RESET | ATA_FLAG_MMIO | + ATA_FLAG_NO_ATAPI), MV_6XXX_FLAGS = MV_FLAG_IRQ_COALESCE, CRQB_FLAG_READ = (1 << 0), diff --git a/drivers/scsi/sata_promise.c b/drivers/scsi/sata_promise.c index 8a8e3e3ef0ed..2691625f9bce 100644 --- a/drivers/scsi/sata_promise.c +++ b/drivers/scsi/sata_promise.c @@ -70,6 +70,9 @@ enum { PDC_HAS_PATA = (1 << 1), /* PDC20375 has PATA */ PDC_RESET = (1 << 11), /* HDMA reset */ + + PDC_COMMON_FLAGS = ATA_FLAG_NO_LEGACY | ATA_FLAG_SRST | + ATA_FLAG_MMIO | ATA_FLAG_NO_ATAPI, }; @@ -162,8 +165,7 @@ static struct ata_port_info pdc_port_info[] = { /* board_2037x */ { .sht = &pdc_ata_sht, - .host_flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | - ATA_FLAG_SRST | ATA_FLAG_MMIO, + .host_flags = PDC_COMMON_FLAGS | ATA_FLAG_SATA, .pio_mask = 0x1f, /* pio0-4 */ .mwdma_mask = 0x07, /* mwdma0-2 */ .udma_mask = 0x7f, /* udma0-6 ; FIXME */ @@ -173,8 +175,7 @@ static struct ata_port_info pdc_port_info[] = { /* board_20319 */ { .sht = &pdc_ata_sht, - .host_flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | - ATA_FLAG_SRST | ATA_FLAG_MMIO, + .host_flags = PDC_COMMON_FLAGS | ATA_FLAG_SATA, .pio_mask = 0x1f, /* pio0-4 */ .mwdma_mask = 0x07, /* mwdma0-2 */ .udma_mask = 0x7f, /* udma0-6 ; FIXME */ @@ -184,8 +185,7 @@ static struct ata_port_info pdc_port_info[] = { /* board_20619 */ { .sht = &pdc_ata_sht, - .host_flags = ATA_FLAG_NO_LEGACY | ATA_FLAG_SRST | - ATA_FLAG_MMIO | ATA_FLAG_SLAVE_POSS, + .host_flags = PDC_COMMON_FLAGS | ATA_FLAG_SLAVE_POSS, .pio_mask = 0x1f, /* pio0-4 */ .mwdma_mask = 0x07, /* mwdma0-2 */ .udma_mask = 0x7f, /* udma0-6 ; FIXME */ diff --git a/drivers/scsi/sata_sx4.c b/drivers/scsi/sata_sx4.c index dcc3ad9a9d6e..ac7b0d819ebc 100644 --- a/drivers/scsi/sata_sx4.c +++ b/drivers/scsi/sata_sx4.c @@ -220,7 +220,8 @@ static struct ata_port_info pdc_port_info[] = { { .sht = &pdc_sata_sht, .host_flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | - ATA_FLAG_SRST | ATA_FLAG_MMIO, + ATA_FLAG_SRST | ATA_FLAG_MMIO | + ATA_FLAG_NO_ATAPI, .pio_mask = 0x1f, /* pio0-4 */ .mwdma_mask = 0x07, /* mwdma0-2 */ .udma_mask = 0x7f, /* udma0-6 ; FIXME */ diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 18c5d2523014..c0ae9e965f6f 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -422,10 +422,15 @@ static int scsi_eh_completed_normally(struct scsi_cmnd *scmd) **/ static void scsi_eh_done(struct scsi_cmnd *scmd) { + struct completion *eh_action; + SCSI_LOG_ERROR_RECOVERY(3, printk("%s scmd: %p result: %x\n", __FUNCTION__, scmd, scmd->result)); - complete(scmd->device->host->eh_action); + + eh_action = scmd->device->host->eh_action; + if (eh_action) + complete(eh_action); } /** diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 4afef5cdcb17..dc249cb970ea 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -542,10 +542,17 @@ static void scsi_requeue_command(struct request_queue *q, struct scsi_cmnd *cmd) void scsi_next_command(struct scsi_cmnd *cmd) { - struct request_queue *q = cmd->device->request_queue; + struct scsi_device *sdev = cmd->device; + struct request_queue *q = sdev->request_queue; + + /* need to hold a reference on the device before we let go of the cmd */ + get_device(&sdev->sdev_gendev); scsi_put_command(cmd); scsi_run_queue(q); + + /* ok to remove device now */ + put_device(&sdev->sdev_gendev); } void scsi_run_host_queues(struct Scsi_Host *shost) @@ -1078,6 +1085,26 @@ static void scsi_generic_done(struct scsi_cmnd *cmd) scsi_io_completion(cmd, cmd->result == 0 ? cmd->bufflen : 0, 0); } +void scsi_setup_blk_pc_cmnd(struct scsi_cmnd *cmd, int retries) +{ + struct request *req = cmd->request; + + BUG_ON(sizeof(req->cmd) > sizeof(cmd->cmnd)); + memcpy(cmd->cmnd, req->cmd, sizeof(cmd->cmnd)); + cmd->cmd_len = req->cmd_len; + if (!req->data_len) + cmd->sc_data_direction = DMA_NONE; + else if (rq_data_dir(req) == WRITE) + cmd->sc_data_direction = DMA_TO_DEVICE; + else + cmd->sc_data_direction = DMA_FROM_DEVICE; + + cmd->transfersize = req->data_len; + cmd->allowed = retries; + cmd->timeout_per_command = req->timeout; +} +EXPORT_SYMBOL_GPL(scsi_setup_blk_pc_cmnd); + static int scsi_prep_fn(struct request_queue *q, struct request *req) { struct scsi_device *sdev = q->queuedata; @@ -1213,18 +1240,7 @@ static int scsi_prep_fn(struct request_queue *q, struct request *req) goto kill; } } else { - memcpy(cmd->cmnd, req->cmd, sizeof(cmd->cmnd)); - cmd->cmd_len = req->cmd_len; - if (rq_data_dir(req) == WRITE) - cmd->sc_data_direction = DMA_TO_DEVICE; - else if (req->data_len) - cmd->sc_data_direction = DMA_FROM_DEVICE; - else - cmd->sc_data_direction = DMA_NONE; - - cmd->transfersize = req->data_len; - cmd->allowed = 3; - cmd->timeout_per_command = req->timeout; + scsi_setup_blk_pc_cmnd(cmd, 3); cmd->done = scsi_generic_done; } } diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index 374853df9cca..94e5167f260d 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -266,8 +266,6 @@ static struct scsi_device *scsi_alloc_sdev(struct scsi_target *starget, /* * if LLDD reports slave not present, don't clutter * console with alloc failure messages - - */ if (ret == -ENXIO) display_failure_msg = 0; @@ -279,7 +277,6 @@ static struct scsi_device *scsi_alloc_sdev(struct scsi_target *starget, out_device_destroy: transport_destroy_device(&sdev->sdev_gendev); - scsi_free_queue(sdev->request_queue); put_device(&sdev->sdev_gendev); out: if (display_failure_msg) diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index 49fd18c1a9c6..e08462d50c97 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -249,7 +249,7 @@ static inline struct list_head *skb_to_lh(struct sk_buff *skb) } static void* -mempool_zone_alloc_skb(unsigned int gfp_mask, void *pool_data) +mempool_zone_alloc_skb(gfp_t gfp_mask, void *pool_data) { struct mempool_zone *zone = pool_data; diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 8613a1317712..03fcbab30033 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -245,24 +245,10 @@ static int sd_init_command(struct scsi_cmnd * SCpnt) * SG_IO from block layer already setup, just copy cdb basically */ if (blk_pc_request(rq)) { - if (sizeof(rq->cmd) > sizeof(SCpnt->cmnd)) - return 0; - - memcpy(SCpnt->cmnd, rq->cmd, sizeof(SCpnt->cmnd)); - SCpnt->cmd_len = rq->cmd_len; - if (rq_data_dir(rq) == WRITE) - SCpnt->sc_data_direction = DMA_TO_DEVICE; - else if (rq->data_len) - SCpnt->sc_data_direction = DMA_FROM_DEVICE; - else - SCpnt->sc_data_direction = DMA_NONE; - - this_count = rq->data_len; + scsi_setup_blk_pc_cmnd(SCpnt, SD_PASSTHROUGH_RETRIES); if (rq->timeout) timeout = rq->timeout; - SCpnt->transfersize = rq->data_len; - SCpnt->allowed = SD_PASSTHROUGH_RETRIES; goto queue; } diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c index d68cea753bb2..fb4012b5c188 100644 --- a/drivers/scsi/sr.c +++ b/drivers/scsi/sr.c @@ -320,25 +320,11 @@ static int sr_init_command(struct scsi_cmnd * SCpnt) * these are already setup, just copy cdb basically */ if (SCpnt->request->flags & REQ_BLOCK_PC) { - struct request *rq = SCpnt->request; + scsi_setup_blk_pc_cmnd(SCpnt, MAX_RETRIES); - if (sizeof(rq->cmd) > sizeof(SCpnt->cmnd)) - return 0; - - memcpy(SCpnt->cmnd, rq->cmd, sizeof(SCpnt->cmnd)); - SCpnt->cmd_len = rq->cmd_len; - if (!rq->data_len) - SCpnt->sc_data_direction = DMA_NONE; - else if (rq_data_dir(rq) == WRITE) - SCpnt->sc_data_direction = DMA_TO_DEVICE; - else - SCpnt->sc_data_direction = DMA_FROM_DEVICE; - - this_count = rq->data_len; - if (rq->timeout) - timeout = rq->timeout; + if (SCpnt->timeout_per_command) + timeout = SCpnt->timeout_per_command; - SCpnt->transfersize = rq->data_len; goto queue; } diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index 7ac6ea141fff..dd592f6a2529 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -4194,27 +4194,10 @@ static void st_intr(struct scsi_cmnd *SCpnt) */ static int st_init_command(struct scsi_cmnd *SCpnt) { - struct request *rq; - if (!(SCpnt->request->flags & REQ_BLOCK_PC)) return 0; - rq = SCpnt->request; - if (sizeof(rq->cmd) > sizeof(SCpnt->cmnd)) - return 0; - - memcpy(SCpnt->cmnd, rq->cmd, sizeof(SCpnt->cmnd)); - SCpnt->cmd_len = rq->cmd_len; - - if (rq_data_dir(rq) == WRITE) - SCpnt->sc_data_direction = DMA_TO_DEVICE; - else if (rq->data_len) - SCpnt->sc_data_direction = DMA_FROM_DEVICE; - else - SCpnt->sc_data_direction = DMA_NONE; - - SCpnt->timeout_per_command = rq->timeout; - SCpnt->transfersize = rq->data_len; + scsi_setup_blk_pc_cmnd(SCpnt, 0); SCpnt->done = st_intr; return 1; } diff --git a/drivers/scsi/sym53c8xx_2/sym_hipd.c b/drivers/scsi/sym53c8xx_2/sym_hipd.c index a7420cad4547..1564ca203a3e 100644 --- a/drivers/scsi/sym53c8xx_2/sym_hipd.c +++ b/drivers/scsi/sym53c8xx_2/sym_hipd.c @@ -1405,7 +1405,6 @@ static void sym_check_goals(struct sym_hcb *np, struct scsi_target *starget, goal->iu = 0; goal->dt = 0; goal->qas = 0; - goal->period = 0; goal->offset = 0; return; } @@ -1465,7 +1464,8 @@ static int sym_prepare_nego(struct sym_hcb *np, struct sym_ccb *cp, u_char *msgp * Many devices implement PPR in a buggy way, so only use it if we * really want to. */ - if (goal->iu || goal->dt || goal->qas || (goal->period < 0xa)) { + if (goal->offset && + (goal->iu || goal->dt || goal->qas || (goal->period < 0xa))) { nego = NS_PPR; } else if (spi_width(starget) != goal->width) { nego = NS_WIDE; |