iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

udp: restore UDPlite many-cast delivery

Browse Source 
Honor udptable parameter that is passed to __udp*_lib_mcast_deliver(),
otherwise udplite broadcast/multicast use the wrong table and it breaks.

Fixes: 2dc41cff75 ("udp: Use hash2 for long hash1 chains in __udp*_lib_mcast_deliver.")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pablo Neira 2016-11-14 23:40:30 +01:00 committed by David S. Miller
parent d0e3f65b34
commit 73e2d5e34b
2 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
net/ipv4/udp.c
View File

@ -1652,10 +1652,10 @@ static int __udp4_lib_mcast_deliver(struct net *net, struct sk_buff *skb,
if (use_hash2) { if (use_hash2) {
hash2_any = udp4_portaddr_hash(net, htonl(INADDR_ANY), hnum) & hash2_any = udp4_portaddr_hash(net, htonl(INADDR_ANY), hnum) &
udp_table.mask; udptable->mask;
hash2 = udp4_portaddr_hash(net, daddr, hnum) & udp_table.mask; hash2 = udp4_portaddr_hash(net, daddr, hnum) & udptable->mask;
start_lookup: start_lookup:
hslot = &udp_table.hash2[hash2]; hslot = &udptable->hash2[hash2];
offset = offsetof(typeof(*sk), __sk_common.skc_portaddr_node); offset = offsetof(typeof(*sk), __sk_common.skc_portaddr_node);
} }

6
net/ipv6/udp.c
View File

@ -706,10 +706,10 @@ static int __udp6_lib_mcast_deliver(struct net *net, struct sk_buff *skb,
if (use_hash2) { if (use_hash2) {
hash2_any = udp6_portaddr_hash(net, &in6addr_any, hnum) & hash2_any = udp6_portaddr_hash(net, &in6addr_any, hnum) &
udp_table.mask; udptable->mask;
hash2 = udp6_portaddr_hash(net, daddr, hnum) & udp_table.mask; hash2 = udp6_portaddr_hash(net, daddr, hnum) & udptable->mask;
start_lookup: start_lookup:
hslot = &udp_table.hash2[hash2]; hslot = &udptable->hash2[hash2];
offset = offsetof(typeof(*sk), __sk_common.skc_portaddr_node); offset = offsetof(typeof(*sk), __sk_common.skc_portaddr_node);
} }