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SCSI fixes on 20171017 

Four mostly error leg fixes and one more important regression in a
 prior commit (the qla2xxx one).
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "Four mostly error leg fixes and one more important regression in a
  prior commit (the qla2xxx one)"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: fc: check for rport presence in fc_block_scsi_eh
  scsi: qla2xxx: Fix uninitialized work element
  scsi: libiscsi: fix shifting of DID_REQUEUE host byte
  scsi: libfc: fix a deadlock in fc_rport_work
  scsi: fixup kernel warning during rmmod()
This commit is contained in:
Linus Torvalds 2017-10-17 15:54:41 -04:00
parent 3728e6a255 8d30371fd7
commit ebe6e90ccc
5 changed files with 15 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/scsi/libfc/fc_rport.c
View File

@ -383,11 +383,11 @@ static void fc_rport_work(struct work_struct *work)
fc_rport_enter_flogi(rdata);
mutex_unlock(&rdata->rp_mutex);
} else {
mutex_unlock(&rdata->rp_mutex);
FC_RPORT_DBG(rdata, "work delete\n");
mutex_lock(&lport->disc.disc_mutex);
list_del_rcu(&rdata->peers);
mutex_unlock(&lport->disc.disc_mutex);
mutex_unlock(&rdata->rp_mutex);
kref_put(&rdata->kref, fc_rport_destroy);
}
} else {

2
drivers/scsi/libiscsi.c
View File

@ -1728,7 +1728,7 @@ int iscsi_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *sc)
if (test_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx)) {
reason = FAILURE_SESSION_IN_RECOVERY;
sc->result = DID_REQUEUE;
sc->result = DID_REQUEUE << 16;
goto fault;
}

3
drivers/scsi/qla2xxx/qla_os.c
View File

@ -3175,6 +3175,8 @@ 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);
INIT_WORK(&base_vha->iocb_work, qla2x00_iocb_work_fn);
if (ha->mqenable) {
bool mq = false;
bool startit = false;
@ -3223,7 +3225,6 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
*/
qla2xxx_wake_dpc(base_vha);
INIT_WORK(&base_vha->iocb_work, qla2x00_iocb_work_fn);
INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error);
if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) {

10
drivers/scsi/scsi_sysfs.c
View File

@ -1376,13 +1376,19 @@ static void __scsi_remove_target(struct scsi_target *starget)
spin_lock_irqsave(shost->host_lock, flags);
restart:
list_for_each_entry(sdev, &shost->__devices, siblings) {
/*
* We cannot call scsi_device_get() here, as
* we might've been called from rmmod() causing
* scsi_device_get() to fail the module_is_live()
* check.
*/
if (sdev->channel != starget->channel ||
sdev->id != starget->id ||
scsi_device_get(sdev))
!get_device(&sdev->sdev_gendev))
continue;
spin_unlock_irqrestore(shost->host_lock, flags);
scsi_remove_device(sdev);
scsi_device_put(sdev);
put_device(&sdev->sdev_gendev);
spin_lock_irqsave(shost->host_lock, flags);
goto restart;
}

3
drivers/scsi/scsi_transport_fc.c
View File

@ -3320,6 +3320,9 @@ int fc_block_scsi_eh(struct scsi_cmnd *cmnd)
{
struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
if (WARN_ON_ONCE(!rport))
return FAST_IO_FAIL;
return fc_block_rport(rport);
}
EXPORT_SYMBOL(fc_block_scsi_eh);