Commit e3163493 authored by Pavel Emelyanov's avatar Pavel Emelyanov Committed by David S. Miller
Browse files

udp: provide a struct net pointer for __udp[46]_lib_mcast_deliver



They both calculate the hash chain, but currently do not have
a struct net pointer, so pass one there via additional argument,
all the more so their callers already have such.
Signed-off-by: default avatarPavel Emelyanov <xemul@openvz.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d6266281
......@@ -1059,7 +1059,7 @@ drop:
* Note: called only from the BH handler context,
* so we don't need to lock the hashes.
*/
static int __udp4_lib_mcast_deliver(struct sk_buff *skb,
static int __udp4_lib_mcast_deliver(struct net *net, struct sk_buff *skb,
struct udphdr *uh,
__be32 saddr, __be32 daddr,
struct hlist_head udptable[])
......@@ -1156,6 +1156,7 @@ int __udp4_lib_rcv(struct sk_buff *skb, struct hlist_head udptable[],
struct rtable *rt = (struct rtable*)skb->dst;
__be32 saddr = ip_hdr(skb)->saddr;
__be32 daddr = ip_hdr(skb)->daddr;
struct net *net;
/*
* Validate the packet.
......@@ -1177,10 +1178,12 @@ int __udp4_lib_rcv(struct sk_buff *skb, struct hlist_head udptable[],
if (udp4_csum_init(skb, uh, proto))
goto csum_error;
net = dev_net(skb->dev);
if (rt->rt_flags & (RTCF_BROADCAST|RTCF_MULTICAST))
return __udp4_lib_mcast_deliver(skb, uh, saddr, daddr, udptable);
return __udp4_lib_mcast_deliver(net, skb, uh,
saddr, daddr, udptable);
sk = __udp4_lib_lookup(dev_net(skb->dev), saddr, uh->source, daddr,
sk = __udp4_lib_lookup(net, saddr, uh->source, daddr,
uh->dest, inet_iif(skb), udptable);
if (sk != NULL) {
......
......@@ -353,8 +353,9 @@ static struct sock *udp_v6_mcast_next(struct sock *sk,
* Note: called only from the BH handler context,
* so we don't need to lock the hashes.
*/
static int __udp6_lib_mcast_deliver(struct sk_buff *skb, struct in6_addr *saddr,
struct in6_addr *daddr, struct hlist_head udptable[])
static int __udp6_lib_mcast_deliver(struct net *net, struct sk_buff *skb,
struct in6_addr *saddr, struct in6_addr *daddr,
struct hlist_head udptable[])
{
struct sock *sk, *sk2;
const struct udphdr *uh = udp_hdr(skb);
......@@ -435,6 +436,7 @@ int __udp6_lib_rcv(struct sk_buff *skb, struct hlist_head udptable[],
struct net_device *dev = skb->dev;
struct in6_addr *saddr, *daddr;
u32 ulen = 0;
struct net *net;
if (!pskb_may_pull(skb, sizeof(struct udphdr)))
goto short_packet;
......@@ -469,11 +471,13 @@ int __udp6_lib_rcv(struct sk_buff *skb, struct hlist_head udptable[],
if (udp6_csum_init(skb, uh, proto))
goto discard;
net = dev_net(skb->dev);
/*
* Multicast receive code
*/
if (ipv6_addr_is_multicast(daddr))
return __udp6_lib_mcast_deliver(skb, saddr, daddr, udptable);
return __udp6_lib_mcast_deliver(net, skb,
saddr, daddr, udptable);
/* Unicast */
......@@ -481,7 +485,7 @@ int __udp6_lib_rcv(struct sk_buff *skb, struct hlist_head udptable[],
* check socket cache ... must talk to Alan about his plans
* for sock caches... i'll skip this for now.
*/
sk = __udp6_lib_lookup(dev_net(skb->dev), saddr, uh->source,
sk = __udp6_lib_lookup(net, saddr, uh->source,
daddr, uh->dest, inet6_iif(skb), udptable);
if (sk == NULL) {
......
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