X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=net%2Fipv4%2Figmp.c;h=6a4ee8da69942d2764edd0f9a80b1d57dd2f9cf8;hb=ef722495c8867aacc1db0675a6737e5cf1e72e07;hp=928bc3284554fefc8756c3829bbf72c0073e835b;hpb=7fee0ca23711ce1a6b13d3ab78915809a72a59ec;p=safe%2Fjmp%2Flinux-2.6

diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 928bc32..6a4ee8d 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -301,7 +301,7 @@ static struct sk_buff *igmpv3_newpack(struct net_device *dev, int size)
 				    .nl_u = { .ip4_u = {
 				    .daddr = IGMPV3_ALL_MCR } },
 				    .proto = IPPROTO_IGMP };
-		if (ip_route_output_key(&rt, &fl)) {
+		if (ip_route_output_key(&init_net, &rt, &fl)) {
 			kfree_skb(skb);
 			return NULL;
 		}
@@ -645,7 +645,7 @@ static int igmp_send_report(struct in_device *in_dev, struct ip_mc_list *pmc,
 		struct flowi fl = { .oif = dev->ifindex,
 				    .nl_u = { .ip4_u = { .daddr = dst } },
 				    .proto = IPPROTO_IGMP };
-		if (ip_route_output_key(&rt, &fl))
+		if (ip_route_output_key(&init_net, &rt, &fl))
 			return -1;
 	}
 	if (rt->rt_src == 0) {
@@ -922,13 +922,11 @@ int igmp_rcv(struct sk_buff *skb)
 	struct in_device *in_dev = in_dev_get(skb->dev);
 	int len = skb->len;
 
-	if (in_dev==NULL) {
-		kfree_skb(skb);
-		return 0;
-	}
+	if (in_dev == NULL)
+		goto drop;
 
 	if (!pskb_may_pull(skb, sizeof(struct igmphdr)))
-		goto drop;
+		goto drop_ref;
 
 	switch (skb->ip_summed) {
 	case CHECKSUM_COMPLETE:
@@ -938,7 +936,7 @@ int igmp_rcv(struct sk_buff *skb)
 	case CHECKSUM_NONE:
 		skb->csum = 0;
 		if (__skb_checksum_complete(skb))
-			goto drop;
+			goto drop_ref;
 	}
 
 	ih = igmp_hdr(skb);
@@ -950,7 +948,7 @@ int igmp_rcv(struct sk_buff *skb)
 	case IGMPV2_HOST_MEMBERSHIP_REPORT:
 	case IGMPV3_HOST_MEMBERSHIP_REPORT:
 		/* Is it our report looped back? */
-		if (((struct rtable*)skb->dst)->fl.iif == 0)
+		if (skb->rtable->fl.iif == 0)
 			break;
 		/* don't rely on MC router hearing unicast reports */
 		if (skb->pkt_type == PACKET_MULTICAST ||
@@ -972,8 +970,9 @@ int igmp_rcv(struct sk_buff *skb)
 		break;
 	}
 
-drop:
+drop_ref:
 	in_dev_put(in_dev);
+drop:
 	kfree_skb(skb);
 	return 0;
 }
@@ -1199,6 +1198,9 @@ void ip_mc_inc_group(struct in_device *in_dev, __be32 addr)
 
 	ASSERT_RTNL();
 
+	if (in_dev->dev->nd_net != &init_net)
+		return;
+
 	for (im=in_dev->mc_list; im; im=im->next) {
 		if (im->multiaddr == addr) {
 			im->users++;
@@ -1278,6 +1280,9 @@ void ip_mc_dec_group(struct in_device *in_dev, __be32 addr)
 
 	ASSERT_RTNL();
 
+	if (in_dev->dev->nd_net != &init_net)
+		return;
+
 	for (ip=&in_dev->mc_list; (i=*ip)!=NULL; ip=&i->next) {
 		if (i->multiaddr==addr) {
 			if (--i->users == 0) {
@@ -1305,6 +1310,9 @@ void ip_mc_down(struct in_device *in_dev)
 
 	ASSERT_RTNL();
 
+	if (in_dev->dev->nd_net != &init_net)
+		return;
+
 	for (i=in_dev->mc_list; i; i=i->next)
 		igmp_group_dropped(i);
 
@@ -1325,6 +1333,9 @@ void ip_mc_init_dev(struct in_device *in_dev)
 {
 	ASSERT_RTNL();
 
+	if (in_dev->dev->nd_net != &init_net)
+		return;
+
 	in_dev->mc_tomb = NULL;
 #ifdef CONFIG_IP_MULTICAST
 	in_dev->mr_gq_running = 0;
@@ -1348,6 +1359,9 @@ void ip_mc_up(struct in_device *in_dev)
 
 	ASSERT_RTNL();
 
+	if (in_dev->dev->nd_net != &init_net)
+		return;
+
 	ip_mc_inc_group(in_dev, IGMP_ALL_HOSTS);
 
 	for (i=in_dev->mc_list; i; i=i->next)
@@ -1364,6 +1378,9 @@ void ip_mc_destroy_dev(struct in_device *in_dev)
 
 	ASSERT_RTNL();
 
+	if (in_dev->dev->nd_net != &init_net)
+		return;
+
 	/* Deactivate timers */
 	ip_mc_down(in_dev);
 
@@ -1395,13 +1412,13 @@ static struct in_device * ip_mc_find_dev(struct ip_mreqn *imr)
 		return idev;
 	}
 	if (imr->imr_address.s_addr) {
-		dev = ip_dev_find(imr->imr_address.s_addr);
+		dev = ip_dev_find(&init_net, imr->imr_address.s_addr);
 		if (!dev)
 			return NULL;
 		dev_put(dev);
 	}
 
-	if (!dev && !ip_route_output_key(&rt, &fl)) {
+	if (!dev && !ip_route_output_key(&init_net, &rt, &fl)) {
 		dev = rt->u.dst.dev;
 		ip_rt_put(rt);
 	}
@@ -1745,6 +1762,9 @@ int ip_mc_join_group(struct sock *sk , struct ip_mreqn *imr)
 	if (!ipv4_is_multicast(addr))
 		return -EINVAL;
 
+	if (sk->sk_net != &init_net)
+		return -EPROTONOSUPPORT;
+
 	rtnl_lock();
 
 	in_dev = ip_mc_find_dev(imr);
@@ -1813,6 +1833,9 @@ int ip_mc_leave_group(struct sock *sk, struct ip_mreqn *imr)
 	u32 ifindex;
 	int ret = -EADDRNOTAVAIL;
 
+	if (sk->sk_net != &init_net)
+		return -EPROTONOSUPPORT;
+
 	rtnl_lock();
 	in_dev = ip_mc_find_dev(imr);
 	ifindex = imr->imr_ifindex;
@@ -1858,6 +1881,9 @@ int ip_mc_source(int add, int omode, struct sock *sk, struct
 	if (!ipv4_is_multicast(addr))
 		return -EINVAL;
 
+	if (sk->sk_net != &init_net)
+		return -EPROTONOSUPPORT;
+
 	rtnl_lock();
 
 	imr.imr_multiaddr.s_addr = mreqs->imr_multiaddr;
@@ -1991,6 +2017,9 @@ int ip_mc_msfilter(struct sock *sk, struct ip_msfilter *msf, int ifindex)
 	    msf->imsf_fmode != MCAST_EXCLUDE)
 		return -EINVAL;
 
+	if (sk->sk_net != &init_net)
+		return -EPROTONOSUPPORT;
+
 	rtnl_lock();
 
 	imr.imr_multiaddr.s_addr = msf->imsf_multiaddr;
@@ -2071,6 +2100,9 @@ int ip_mc_msfget(struct sock *sk, struct ip_msfilter *msf,
 	if (!ipv4_is_multicast(addr))
 		return -EINVAL;
 
+	if (sk->sk_net != &init_net)
+		return -EPROTONOSUPPORT;
+
 	rtnl_lock();
 
 	imr.imr_multiaddr.s_addr = msf->imsf_multiaddr;
@@ -2133,6 +2165,9 @@ int ip_mc_gsfget(struct sock *sk, struct group_filter *gsf,
 	if (!ipv4_is_multicast(addr))
 		return -EINVAL;
 
+	if (sk->sk_net != &init_net)
+		return -EPROTONOSUPPORT;
+
 	rtnl_lock();
 
 	err = -EADDRNOTAVAIL;
@@ -2217,6 +2252,9 @@ void ip_mc_drop_socket(struct sock *sk)
 	if (inet->mc_list == NULL)
 		return;
 
+	if (sk->sk_net != &init_net)
+		return;
+
 	rtnl_lock();
 	while ((iml = inet->mc_list) != NULL) {
 		struct in_device *in_dev;