1 files changed, 16 insertions, 0 deletions

diff --git a/usr.sbin/config/config.y b/usr.sbin/config/config.y
index 018ec6197606..58d6b0cc4a37 100644
--- a/usr.sbin/config/config.y
+++ b/usr.sbin/config/config.y
@@ -92,6 +92,7 @@ int	maxusers;
 #define ns(s)	strdup(s)
 int include(const char *, int);
 void yyerror(const char *s);
+int yywrap(void);
 
 static char *
 devopt(char *dev)
@@ -300,6 +301,21 @@ yyerror(const char *s)
 	errx(1, "%s:%d: %s", yyfile, yyline + 1, s);
 }
 
+int
+yywrap(void)
+{
+
+	if (found_defaults) {
+		if (freopen(PREFIX, "r", stdin) == NULL)
+			err(2, "%s", PREFIX);		
+		yyfile = PREFIX;
+		yyline = 0;
+		found_defaults = 0;
+		return 0;
+	}
+	return 1;
+}
+
 /*
  * Add a new file to the list of files.
  */