Get rid of unnecessary barrier. Improve comment.

[pintos-anon] / grading / userprog / create-null.exp

diff --git a/grading/userprog/create-null.exp b/grading/userprog/create-null.exp
index 2250356a3c2bde1d33d2c71b0f4a63d2f8a3de4e..a853b05d525c8ab5de7fb50bf30db3fd656303c4 100644 (file)
--- a/grading/userprog/create-null.exp
+++ b/grading/userprog/create-null.exp
@@ -1,3 +1,6 @@
 (create-null) begin
 (create-null) end
 create-null: exit(0)
+--OR--
+(create-null) begin
+create-null: exit(-1)