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Initialize/compare pointers with NULL instead of 0.

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This commit is contained in:
dyoung 2009-12-07 18:38:55 +00:00
parent 32a3b13698
commit 04489f616a
1 changed files with 6 additions and 6 deletions
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12
sys/netinet/in.c
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@ -1,4 +1,4 @@
/* $NetBSD: in.c,v 1.135 2009/09/11 22:06:29 dyoung Exp $ */
/* $NetBSD: in.c,v 1.136 2009/12/07 18:38:55 dyoung Exp $ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@ -91,7 +91,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: in.c,v 1.135 2009/09/11 22:06:29 dyoung Exp $");
__KERNEL_RCSID(0, "$NetBSD: in.c,v 1.136 2009/12/07 18:38:55 dyoung Exp $");
#include "opt_inet.h"
#include "opt_inet_conf.h"
@ -310,7 +310,7 @@ in_control(struct socket *so, u_long cmd, void *data, struct ifnet *ifp,
struct lwp *l)
{
struct ifreq *ifr = (struct ifreq *)data;
struct in_ifaddr *ia = 0;
struct in_ifaddr *ia = NULL;
struct in_aliasreq *ifra = (struct in_aliasreq *)data;
struct sockaddr_in oldaddr;
int error, hostIsNew, maskIsNew;
@ -382,9 +382,9 @@ in_control(struct socket *so, u_long cmd, void *data, struct ifnet *ifp,
NULL) != 0)
return (EPERM);
if (ia == 0) {
if (ia == NULL) {
ia = malloc(sizeof(*ia), M_IFADDR, M_WAITOK|M_ZERO);
if (ia == 0)
if (ia == NULL)
return (ENOBUFS);
TAILQ_INSERT_TAIL(&in_ifaddrhead, ia, ia_list);
IFAREF(&ia->ia_ifa);
@ -422,7 +422,7 @@ in_control(struct socket *so, u_long cmd, void *data, struct ifnet *ifp,
case SIOCGIFNETMASK:
case SIOCGIFDSTADDR:
case SIOCGIFBRDADDR:
if (ia == 0)
if (ia == NULL)
return (EADDRNOTAVAIL);
break;
}