struct mr6_table {
struct list_head list;
-#ifdef CONFIG_NET_NS
- struct net *net;
-#endif
+ possible_net_t net;
u32 id;
struct sock *mroute6_sk;
struct timer_list ipmr_expire_timer;
}
mrt = ip6mr_get_table(rule->fr_net, rule->table);
- if (mrt == NULL)
+ if (!mrt)
return -EAGAIN;
res->mrt = mrt;
return 0;
.match = ip6mr_rule_match,
.configure = ip6mr_rule_configure,
.compare = ip6mr_rule_compare,
- .default_pref = fib_default_rule_pref,
.fill = ip6mr_rule_fill,
.nlgroup = RTNLGRP_IPV6_RULE,
.policy = ip6mr_rule_policy,
INIT_LIST_HEAD(&net->ipv6.mr6_tables);
mrt = ip6mr_new_table(net, RT6_TABLE_DFLT);
- if (mrt == NULL) {
+ if (!mrt) {
err = -ENOMEM;
goto err1;
}
unsigned int i;
mrt = ip6mr_get_table(net, id);
- if (mrt != NULL)
+ if (mrt)
return mrt;
mrt = kzalloc(sizeof(*mrt), GFP_KERNEL);
- if (mrt == NULL)
+ if (!mrt)
return NULL;
mrt->id = id;
write_pnet(&mrt->net, net);
struct mr6_table *mrt;
mrt = ip6mr_get_table(net, RT6_TABLE_DFLT);
- if (mrt == NULL)
+ if (!mrt)
return ERR_PTR(-ENOENT);
iter->mrt = mrt;
struct mr6_table *mrt;
mrt = ip6mr_get_table(net, RT6_TABLE_DFLT);
- if (mrt == NULL)
+ if (!mrt)
return ERR_PTR(-ENOENT);
it->mrt = mrt;
if (it->cache == &mrt->mfc6_unres_queue)
spin_unlock_bh(&mfc_unres_lock);
- else if (it->cache == mrt->mfc6_cache_array)
+ else if (it->cache == &mrt->mfc6_cache_array[it->ct])
read_unlock(&mrt_lock);
}
dev_hold(reg_dev);
read_unlock(&mrt_lock);
- if (reg_dev == NULL)
+ if (!reg_dev)
goto drop;
skb->mac_header = skb->network_header;
return NETDEV_TX_OK;
}
+static int reg_vif_get_iflink(const struct net_device *dev)
+{
+ return 0;
+}
+
static const struct net_device_ops reg_vif_netdev_ops = {
.ndo_start_xmit = reg_vif_xmit,
+ .ndo_get_iflink = reg_vif_get_iflink,
};
static void reg_vif_setup(struct net_device *dev)
sprintf(name, "pim6reg%u", mrt->id);
dev = alloc_netdev(0, name, NET_NAME_UNKNOWN, reg_vif_setup);
- if (dev == NULL)
+ if (!dev)
return NULL;
dev_net_set(dev, net);
free_netdev(dev);
return NULL;
}
- dev->iflink = 0;
if (dev_open(dev))
goto failure;
v->pkt_out = 0;
v->link = dev->ifindex;
if (v->flags & MIFF_REGISTER)
- v->link = dev->iflink;
+ v->link = dev_get_iflink(dev);
/* And finish update writing critical data */
write_lock_bh(&mrt_lock);
static struct mfc6_cache *ip6mr_cache_alloc(void)
{
struct mfc6_cache *c = kmem_cache_zalloc(mrt_cachep, GFP_KERNEL);
- if (c == NULL)
+ if (!c)
return NULL;
c->mfc_un.res.minvif = MAXMIFS;
return c;
static struct mfc6_cache *ip6mr_cache_alloc_unres(void)
{
struct mfc6_cache *c = kmem_cache_zalloc(mrt_cachep, GFP_ATOMIC);
- if (c == NULL)
+ if (!c)
return NULL;
skb_queue_head_init(&c->mfc_un.unres.unresolved);
c->mfc_un.unres.expires = jiffies + 10 * HZ;
skb->ip_summed = CHECKSUM_UNNECESSARY;
}
- if (mrt->mroute6_sk == NULL) {
+ if (!mrt->mroute6_sk) {
kfree_skb(skb);
return -EINVAL;
}
return -EINVAL;
c = ip6mr_cache_alloc();
- if (c == NULL)
+ if (!c)
return -ENOMEM;
c->mf6c_origin = mfc->mf6cc_origin.sin6_addr;
struct mr6_table *mrt;
mrt = ip6mr_get_table(net, raw6_sk(sk)->ip6mr_table ? : RT6_TABLE_DFLT);
- if (mrt == NULL)
+ if (!mrt)
return -ENOENT;
if (optname != MRT6_INIT) {
struct mr6_table *mrt;
mrt = ip6mr_get_table(net, raw6_sk(sk)->ip6mr_table ? : RT6_TABLE_DFLT);
- if (mrt == NULL)
+ if (!mrt)
return -ENOENT;
switch (optname) {
struct mr6_table *mrt;
mrt = ip6mr_get_table(net, raw6_sk(sk)->ip6mr_table ? : RT6_TABLE_DFLT);
- if (mrt == NULL)
+ if (!mrt)
return -ENOENT;
switch (cmd) {
struct mr6_table *mrt;
mrt = ip6mr_get_table(net, raw6_sk(sk)->ip6mr_table ? : RT6_TABLE_DFLT);
- if (mrt == NULL)
+ if (!mrt)
return -ENOENT;
switch (cmd) {
}
#endif
-static inline int ip6mr_forward2_finish(struct sk_buff *skb)
+static inline int ip6mr_forward2_finish(struct sock *sk, struct sk_buff *skb)
{
IP6_INC_STATS_BH(dev_net(skb_dst(skb)->dev), ip6_dst_idev(skb_dst(skb)),
IPSTATS_MIB_OUTFORWDATAGRAMS);
IP6_ADD_STATS_BH(dev_net(skb_dst(skb)->dev), ip6_dst_idev(skb_dst(skb)),
IPSTATS_MIB_OUTOCTETS, skb->len);
- return dst_output(skb);
+ return dst_output_sk(sk, skb);
}
/*
struct dst_entry *dst;
struct flowi6 fl6;
- if (vif->dev == NULL)
+ if (!vif->dev)
goto out_free;
#ifdef CONFIG_IPV6_PIMSM_V2
IP6CB(skb)->flags |= IP6SKB_FORWARDED;
- return NF_HOOK(NFPROTO_IPV6, NF_INET_FORWARD, skb, skb->dev, dev,
+ return NF_HOOK(NFPROTO_IPV6, NF_INET_FORWARD, NULL, skb,
+ skb->dev, dev,
ip6mr_forward2_finish);
out_free:
read_lock(&mrt_lock);
cache = ip6mr_cache_find(mrt,
&ipv6_hdr(skb)->saddr, &ipv6_hdr(skb)->daddr);
- if (cache == NULL) {
+ if (!cache) {
int vif = ip6mr_find_vif(mrt, skb->dev);
if (vif >= 0)
/*
* No usable cache entry
*/
- if (cache == NULL) {
+ if (!cache) {
int vif;
vif = ip6mr_find_vif(mrt, skb->dev);
nla_put_u32(skb, RTA_IIF, mrt->vif6_table[c->mf6c_parent].dev->ifindex) < 0)
return -EMSGSIZE;
mp_attr = nla_nest_start(skb, RTA_MULTIPATH);
- if (mp_attr == NULL)
+ if (!mp_attr)
return -EMSGSIZE;
for (ct = c->mfc_un.res.minvif; ct < c->mfc_un.res.maxvif; ct++) {
if (MIF_EXISTS(mrt, ct) && c->mfc_un.res.ttls[ct] < 255) {
nhp = nla_reserve_nohdr(skb, sizeof(*nhp));
- if (nhp == NULL) {
+ if (!nhp) {
nla_nest_cancel(skb, mp_attr);
return -EMSGSIZE;
}
struct rt6_info *rt = (struct rt6_info *)skb_dst(skb);
mrt = ip6mr_get_table(net, RT6_TABLE_DFLT);
- if (mrt == NULL)
+ if (!mrt)
return -ENOENT;
read_lock(&mrt_lock);
}
dev = skb->dev;
- if (dev == NULL || (vif = ip6mr_find_vif(mrt, dev)) < 0) {
+ if (!dev || (vif = ip6mr_find_vif(mrt, dev)) < 0) {
read_unlock(&mrt_lock);
return -ENODEV;
}
int err;
nlh = nlmsg_put(skb, portid, seq, cmd, sizeof(*rtm), flags);
- if (nlh == NULL)
+ if (!nlh)
return -EMSGSIZE;
rtm = nlmsg_data(nlh);
rtm->rtm_protocol = RTPROT_MROUTED;
rtm->rtm_flags = 0;
- if (nla_put(skb, RTA_SRC, 16, &c->mf6c_origin) ||
- nla_put(skb, RTA_DST, 16, &c->mf6c_mcastgrp))
+ if (nla_put_in6_addr(skb, RTA_SRC, &c->mf6c_origin) ||
+ nla_put_in6_addr(skb, RTA_DST, &c->mf6c_mcastgrp))
goto nla_put_failure;
err = __ip6mr_fill_mroute(mrt, skb, c, rtm);
/* do not break the dump if cache is unresolved */
skb = nlmsg_new(mr6_msgsize(mfc->mf6c_parent >= MAXMIFS, mrt->maxvif),
GFP_ATOMIC);
- if (skb == NULL)
+ if (!skb)
goto errout;
err = ip6mr_fill_mroute(mrt, skb, 0, 0, mfc, cmd, 0);