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()

drivers/scsi/libfc/fc_rport.c

···
 				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 {

drivers/scsi/libiscsi.c

···
 
 	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;
 	}
 

drivers/scsi/qla2xxx/qla_os.c

···
 	    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;
···
 	 */
 	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)) {

drivers/scsi/scsi_sysfs.c

···
 	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;
 	}

drivers/scsi/scsi_transport_fc.c

···
 {
 	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);