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Fix a bug in ptcread() that stopped a pty(4) in TIOCPKT_IOCTL mode from

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sending a termios(4) structure like it was supposed to: ptcread() used
to copy pti->pt_send and zero it before testing it for TIOCPKT_IOCTL.
Test for TIOCPKT_IOCTL in the pti->pt_send copy in local variable c
instead of in pti->pt_send itself.
This commit is contained in:
dyoung 2010-11-16 23:58:11 +00:00
parent b4e3a3178b
commit 64f588a45a
1 changed files with 3 additions and 3 deletions
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6
sys/kern/tty_pty.c
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@ -1,4 +1,4 @@
/* $NetBSD: tty_pty.c,v 1.123 2010/09/05 18:03:37 dyoung Exp $ */
/* $NetBSD: tty_pty.c,v 1.124 2010/11/16 23:58:11 dyoung Exp $ */
/*
* Copyright (c) 1982, 1986, 1989, 1993
@ -37,7 +37,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: tty_pty.c,v 1.123 2010/09/05 18:03:37 dyoung Exp $");
__KERNEL_RCSID(0, "$NetBSD: tty_pty.c,v 1.124 2010/11/16 23:58:11 dyoung Exp $");
#include "opt_ptm.h"
@ -615,7 +615,7 @@ ptcread(dev_t dev, struct uio *uio, int flag)
* relevant only if the tty got closed and then
* opened again while we were out uiomoving.
*/
if (pti->pt_send & TIOCPKT_IOCTL) {
if (c & TIOCPKT_IOCTL) {
cc = min(uio->uio_resid,
sizeof(tp->t_termios));
uiomove((void *) &tp->t_termios,