diff options
Diffstat (limited to 'net/decnet/dn_dev.c')
| -rw-r--r-- | net/decnet/dn_dev.c | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c index 0b9d4c95515..90b3dfd72b4 100644 --- a/net/decnet/dn_dev.c +++ b/net/decnet/dn_dev.c @@ -167,8 +167,7 @@ static int dn_forwarding_proc(ctl_table *, int, struct file *, void __user *, size_t *, loff_t *); static int dn_forwarding_sysctl(ctl_table *table, int __user *name, int nlen, void __user *oldval, size_t __user *oldlenp, - void __user *newval, size_t newlen, - void **context); + void __user *newval, size_t newlen); static struct dn_dev_sysctl_table { struct ctl_table_header *sysctl_header; @@ -347,8 +346,7 @@ static int dn_forwarding_proc(ctl_table *table, int write, static int dn_forwarding_sysctl(ctl_table *table, int __user *name, int nlen, void __user *oldval, size_t __user *oldlenp, - void __user *newval, size_t newlen, - void **context) + void __user *newval, size_t newlen) { #ifdef CONFIG_DECNET_ROUTER struct net_device *dev = table->extra1; @@ -751,7 +749,7 @@ static int dn_nl_fill_ifaddr(struct sk_buff *skb, struct dn_ifaddr *ifa, nlh = nlmsg_put(skb, pid, seq, event, sizeof(*ifm), flags); if (nlh == NULL) - return -ENOBUFS; + return -EMSGSIZE; ifm = nlmsg_data(nlh); ifm->ifa_family = AF_DECnet; @@ -770,7 +768,8 @@ static int dn_nl_fill_ifaddr(struct sk_buff *skb, struct dn_ifaddr *ifa, return nlmsg_end(skb, nlh); nla_put_failure: - return nlmsg_cancel(skb, nlh); + nlmsg_cancel(skb, nlh); + return -EMSGSIZE; } static void dn_ifaddr_notify(int event, struct dn_ifaddr *ifa) @@ -783,9 +782,12 @@ static void dn_ifaddr_notify(int event, struct dn_ifaddr *ifa) goto errout; err = dn_nl_fill_ifaddr(skb, ifa, 0, 0, event, 0); - /* failure implies BUG in dn_ifaddr_nlmsg_size() */ - BUG_ON(err < 0); - + if (err < 0) { + /* -EMSGSIZE implies BUG in dn_ifaddr_nlmsg_size() */ + WARN_ON(err == -EMSGSIZE); + kfree_skb(skb); + goto errout; + } err = rtnl_notify(skb, 0, RTNLGRP_DECnet_IFADDR, NULL, GFP_KERNEL); errout: if (err < 0) @@ -1147,16 +1149,23 @@ struct dn_dev *dn_dev_create(struct net_device *dev, int *err) init_timer(&dn_db->timer); dn_db->uptime = jiffies; + + dn_db->neigh_parms = neigh_parms_alloc(dev, &dn_neigh_table); + if (!dn_db->neigh_parms) { + dev->dn_ptr = NULL; + kfree(dn_db); + return NULL; + } + if (dn_db->parms.up) { if (dn_db->parms.up(dev) < 0) { + neigh_parms_release(&dn_neigh_table, dn_db->neigh_parms); dev->dn_ptr = NULL; kfree(dn_db); return NULL; } } - dn_db->neigh_parms = neigh_parms_alloc(dev, &dn_neigh_table); - dn_dev_sysctl_register(dev, &dn_db->parms); dn_dev_set_timer(dev); |