random: Fix behavior of kernel option "-rs".

[pintos-anon] / src / tests / userprog / open-null.c

diff --git a/src/tests/userprog/open-null.c b/src/tests/userprog/open-null.c
index ba30807189d7b5f6b120416a866826e2c74f45c6..bb418b88b33c20109ec74f4501ffa48c41daa45f 100644 (file)
--- a/src/tests/userprog/open-null.c
+++ b/src/tests/userprog/open-null.c
@@ -1,3 +1,6 @@
+/* Tries to open a file with the null pointer as its name.
+   The process must be terminated with exit code -1. */
+
 #include <stddef.h>
 #include <syscall.h>
 #include "tests/main.h"