diff options
| -rw-r--r-- | net/ipv4/devinet.c | 59 |
1 files changed, 29 insertions, 30 deletions
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index d1dc0150647..2dc2f7ed6bb 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -99,7 +99,14 @@ static void inet_del_ifa(struct in_device *in_dev, struct in_ifaddr **ifap, int destroy); #ifdef CONFIG_SYSCTL static void devinet_sysctl_register(struct in_device *idev); -static void devinet_sysctl_unregister(struct ipv4_devconf *p); +static void devinet_sysctl_unregister(struct in_device *idev); +#else +static inline void devinet_sysctl_register(struct in_device *idev) +{ +} +static inline void devinet_sysctl_unregister(struct in_device *idev) +{ +} #endif /* Locks all the inet devices. */ @@ -163,17 +170,10 @@ static struct in_device *inetdev_init(struct net_device *dev) goto out_kfree; /* Reference in_dev->dev */ dev_hold(dev); -#ifdef CONFIG_SYSCTL - neigh_sysctl_register(dev, in_dev->arp_parms, NET_IPV4, - NET_IPV4_NEIGH, "ipv4", NULL, NULL); -#endif - /* Account for reference dev->ip_ptr (below) */ in_dev_hold(in_dev); -#ifdef CONFIG_SYSCTL devinet_sysctl_register(in_dev); -#endif ip_mc_init_dev(in_dev); if (dev->flags & IFF_UP) ip_mc_up(in_dev); @@ -212,15 +212,9 @@ static void inetdev_destroy(struct in_device *in_dev) inet_free_ifa(ifa); } -#ifdef CONFIG_SYSCTL - devinet_sysctl_unregister(&in_dev->cnf); -#endif - dev->ip_ptr = NULL; -#ifdef CONFIG_SYSCTL - neigh_sysctl_unregister(in_dev->arp_parms); -#endif + devinet_sysctl_unregister(in_dev); neigh_parms_release(&arp_tbl, in_dev->arp_parms); arp_ifdown(dev); @@ -1113,13 +1107,8 @@ static int inetdev_event(struct notifier_block *this, unsigned long event, */ inetdev_changename(dev, in_dev); -#ifdef CONFIG_SYSCTL - devinet_sysctl_unregister(&in_dev->cnf); - neigh_sysctl_unregister(in_dev->arp_parms); - neigh_sysctl_register(dev, in_dev->arp_parms, NET_IPV4, - NET_IPV4_NEIGH, "ipv4", NULL, NULL); + devinet_sysctl_unregister(in_dev); devinet_sysctl_register(in_dev); -#endif break; } out: @@ -1518,21 +1507,31 @@ out: return; } +static void __devinet_sysctl_unregister(struct ipv4_devconf *cnf) +{ + struct devinet_sysctl_table *t = cnf->sysctl; + + if (t == NULL) + return; + + cnf->sysctl = NULL; + unregister_sysctl_table(t->sysctl_header); + kfree(t->dev_name); + kfree(t); +} + static void devinet_sysctl_register(struct in_device *idev) { - return __devinet_sysctl_register(idev->dev->name, idev->dev->ifindex, + neigh_sysctl_register(idev->dev, idev->arp_parms, NET_IPV4, + NET_IPV4_NEIGH, "ipv4", NULL, NULL); + __devinet_sysctl_register(idev->dev->name, idev->dev->ifindex, &idev->cnf); } -static void devinet_sysctl_unregister(struct ipv4_devconf *p) +static void devinet_sysctl_unregister(struct in_device *idev) { - if (p->sysctl) { - struct devinet_sysctl_table *t = p->sysctl; - p->sysctl = NULL; - unregister_sysctl_table(t->sysctl_header); - kfree(t->dev_name); - kfree(t); - } + __devinet_sysctl_unregister(&idev->cnf); + neigh_sysctl_unregister(idev->arp_parms); } #endif |