From 7a4de6aba43b720a121d83f7a54cc61e2adc1642 Mon Sep 17 00:00:00 2001
From: nicm <nicm@openbsd.org>
Date: Wed, 21 Jul 2010 18:48:01 +0000
Subject: [PATCH] ptm needs no read/write, just use enodev.

ok deraadt
---
 sys/kern/tty_pty.c | 24 +-----------------------
 sys/sys/conf.h     |  8 ++++----
 2 files changed, 5 insertions(+), 27 deletions(-)

diff --git a/sys/kern/tty_pty.c b/sys/kern/tty_pty.c
index cbc7f32fed8..810ddff7070 100644
--- a/sys/kern/tty_pty.c
+++ b/sys/kern/tty_pty.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: tty_pty.c,v 1.48 2010/07/02 19:57:15 tedu Exp $	*/
+/*	$OpenBSD: tty_pty.c,v 1.49 2010/07/21 18:48:01 nicm Exp $	*/
 /*	$NetBSD: tty_pty.c,v 1.33.4.1 1996/06/02 09:08:11 mrg Exp $	*/
 
 /*
@@ -118,11 +118,7 @@ dev_t	pty_getfree(void);
 void	ptmattach(int);
 int	ptmopen(dev_t, int, int, struct proc *);
 int	ptmclose(dev_t, int, int, struct proc *);
-int	ptmread(dev_t, struct uio *, int);
-int	ptmwrite(dev_t, struct uio *, int);
-int	ptmwrite(dev_t, struct uio *, int);
 int	ptmioctl(dev_t, u_long, caddr_t, int, struct proc *p);
-int	ptmpoll(dev_t, int, struct proc *p);
 static int ptm_vn_open(struct nameidata *);
 
 void
@@ -1078,18 +1074,6 @@ ptmclose(dev_t dev, int flag, int mode, struct proc *p)
 	return (0);
 }
 
-int
-ptmread(dev_t dev, struct uio *uio, int ioflag)
-{
-	return (EIO);
-}
-
-int
-ptmwrite(dev_t dev, struct uio *uio, int ioflag)
-{
-	return (EIO);
-}
-
 int
 ptmioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p)
 {
@@ -1222,9 +1206,3 @@ bad:
 	fdpunlock(fdp);
 	return (error);
 }
-
-int
-ptmpoll(dev_t dev, int events, struct proc *p)
-{
-	return (seltrue(dev, events, p));
-}
diff --git a/sys/sys/conf.h b/sys/sys/conf.h
index 9afdfd250e9..95fae3f1355 100644
--- a/sys/sys/conf.h
+++ b/sys/sys/conf.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: conf.h,v 1.103 2010/07/21 18:43:59 deraadt Exp $	*/
+/*	$OpenBSD: conf.h,v 1.104 2010/07/21 18:48:01 nicm Exp $	*/
 /*	$NetBSD: conf.h,v 1.33 1996/05/03 20:03:32 christos Exp $	*/
 
 /*-
@@ -266,9 +266,9 @@ extern struct cdevsw cdevsw[];
 
 /* open, close, read, write, ioctl, mmap */
 #define cdev_ptm_init(c,n) { \
-	dev_init(c,n,open), dev_init(c,n,close), dev_init(c,n,read), \
-	dev_init(c,n,write), dev_init(c,n,ioctl), (dev_type_stop((*))) enodev, \
-	0, selfalse, (dev_type_mmap((*))) enodev }
+	dev_init(c,n,open), dev_init(c,n,close), (dev_type_read((*))) enodev, \
+	(dev_type_write((*))) enodev, dev_init(c,n,ioctl), \
+	(dev_type_stop((*))) enodev, 0, selfalse, (dev_type_mmap((*))) enodev }
 
 /* open, close, read, ioctl, poll, kqfilter XXX should be a generic device */
 #define cdev_log_init(c,n) { \
-- 
2.20.1