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-rw-r--r--net/ipv4/udp.c12
-rw-r--r--net/ipv6/udp.c11
2 files changed, 0 insertions, 23 deletions
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 21febf129736..211a8f3e478f 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -125,17 +125,6 @@ EXPORT_SYMBOL(udp_memory_allocated);
#define MAX_UDP_PORTS 65536
#define PORTS_PER_CHAIN (MAX_UDP_PORTS / UDP_HTABLE_SIZE_MIN)
-/* IPCB reference means this can not be used from early demux */
-static bool udp_lib_exact_dif_match(struct net *net, struct sk_buff *skb)
-{
-#if IS_ENABLED(CONFIG_NET_L3_MASTER_DEV)
- if (!net->ipv4.sysctl_udp_l3mdev_accept &&
- skb && ipv4_l3mdev_skb(IPCB(skb)->flags))
- return true;
-#endif
- return false;
-}
-
static int udp_lib_lport_inuse(struct net *net, __u16 num,
const struct udp_hslot *hslot,
unsigned long *bitmap,
@@ -460,7 +449,6 @@ struct sock *__udp4_lib_lookup(struct net *net, __be32 saddr,
unsigned short hnum = ntohs(dport);
unsigned int hash2, slot2;
struct udp_hslot *hslot2;
- bool exact_dif = udp_lib_exact_dif_match(net, skb);
hash2 = ipv4_portaddr_hash(net, daddr, hnum);
slot2 = hash2 & udptable->mask;
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 8acd24e7e929..b50ecacdec46 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -54,16 +54,6 @@
#include <trace/events/skb.h>
#include "udp_impl.h"
-static bool udp6_lib_exact_dif_match(struct net *net, struct sk_buff *skb)
-{
-#if defined(CONFIG_NET_L3_MASTER_DEV)
- if (!net->ipv4.sysctl_udp_l3mdev_accept &&
- skb && ipv6_l3mdev_skb(IP6CB(skb)->flags))
- return true;
-#endif
- return false;
-}
-
static u32 udp6_ehashfn(const struct net *net,
const struct in6_addr *laddr,
const u16 lport,
@@ -195,7 +185,6 @@ struct sock *__udp6_lib_lookup(struct net *net,
unsigned int hash2, slot2;
struct udp_hslot *hslot2;
struct sock *result;
- bool exact_dif = udp6_lib_exact_dif_match(net, skb);
hash2 = ipv6_portaddr_hash(net, daddr, hnum);
slot2 = hash2 & udptable->mask;