[SCSI] lpfc 8.1.1 : Fixes to error handlers

- Release task management command before counting outstanding commands.
  TMF was being erroneously counted as an active outstanding command.
- Serialize EH calls and block requests when EH function is running.

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 4d4e217..dfd59d2 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -1345,7 +1345,7 @@
 		goto out_put_host;
 
 	host->unique_id = phba->brd_no;
-
+	init_MUTEX(&phba->hba_can_block);
 	INIT_LIST_HEAD(&phba->ctrspbuflist);
 	INIT_LIST_HEAD(&phba->rnidrspbuflist);
 	INIT_LIST_HEAD(&phba->freebufList);