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use NULL instead of 0 for pointers.

This commit is contained in:
yamt 2010-06-13 03:32:47 +00:00
parent 60a28584a3
commit e38edea451
1 changed files with 5 additions and 5 deletions
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10
sys/kern/tty_pty.c
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@ -1,4 +1,4 @@
/* $NetBSD: tty_pty.c,v 1.121 2010/01/24 19:56:26 dholland Exp $ */
/* $NetBSD: tty_pty.c,v 1.122 2010/06/13 03:32:47 yamt Exp $ */
/*
* Copyright (c) 1982, 1986, 1989, 1993
@ -37,7 +37,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: tty_pty.c,v 1.121 2010/01/24 19:56:26 dholland Exp $");
__KERNEL_RCSID(0, "$NetBSD: tty_pty.c,v 1.122 2010/06/13 03:32:47 yamt Exp $");
#include "opt_ptm.h"
@ -449,7 +449,7 @@ ptswrite(dev_t dev, struct uio *uio, int flag)
struct pt_softc *pti = pt_softc[minor(dev)];
struct tty *tp = pti->pt_tty;
if (tp->t_oproc == 0)
if (tp->t_oproc == NULL)
return (EIO);
return ((*tp->t_linesw->l_write)(tp, uio, flag));
}
@ -463,7 +463,7 @@ ptspoll(dev_t dev, int events, struct lwp *l)
struct pt_softc *pti = pt_softc[minor(dev)];
struct tty *tp = pti->pt_tty;
if (tp->t_oproc == 0)
if (tp->t_oproc == NULL)
return (POLLHUP);
return ((*tp->t_linesw->l_poll)(tp, events, l));
@ -577,7 +577,7 @@ ptcclose(dev_t dev, int flag, int devtype, struct lwp *l)
(void)(*tp->t_linesw->l_modem)(tp, 0);
mutex_spin_enter(&tty_lock);
CLR(tp->t_state, TS_CARR_ON);
tp->t_oproc = 0; /* mark closed */
tp->t_oproc = NULL; /* mark closed */
mutex_spin_exit(&tty_lock);
return (0);
}