--- linux/fs/minix/chrdev.c	2018/04/24 18:10:42	1.1.1.3
+++ linux/fs/minix/chrdev.c	2018/04/24 18:14:25	1.1.1.5
@@ -1,11 +1,10 @@
 /*
  *  linux/fs/minix/chrdev.c
  *
- *  (C) 1991  Linus Torvalds
+ *  Copyright (C) 1991, 1992  Linus Torvalds
  */
 
-#include <errno.h>
-
+#include <linux/errno.h>
 #include <linux/sched.h>
 #include <linux/minix_fs.h>
 #include <linux/tty.h>
@@ -57,7 +56,7 @@ struct inode_operations minix_chrdev_ino
 	NULL,			/* rename */
 	NULL,			/* readlink */
 	NULL,			/* follow_link */
-	minix_bmap,		/* bmap */
-	minix_truncate		/* truncate */
+	NULL,			/* bmap */
+	NULL			/* truncate */
 };