scst: Fix race leading to extra device unblocking in mix of strictly serialized and TM commands

git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6674 d57e44dd-8a1f-0410-8b47-8ef2f437770f

scst/src/scst_lib.c

@@ -12997,8 +12997,6 @@ void scst_unblock_dev(struct scst_device *dev)
 				break;
 		}
 		local_irq_restore_nort(flags);
-
-		dev->strictly_serialized_cmd_waiting = 0;
 	}
 
 	sBUG_ON(dev->block_count < 0);

scst/src/scst_targ.c

@@ -547,6 +547,7 @@ void __scst_check_unblock_dev(struct scst_cmd *cmd)
 			TRACE_BLOCK("Strictly serialized cmd waiting: "
 				"unblocking dev %s", dev->virt_name);
 			scst_unblock_dev(dev);
+			dev->strictly_serialized_cmd_waiting = 0;
 		}
 	}