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udp: Remove unused variable/function (exact_dif) 

This was originally passed through to the VRF logic in compute_score().
But that logic has now been replaced by udp_sk_bound_dev_eq() and so
this code is no longer used or needed.

Signed-off-by: Tim Beale <timbeale@catalyst.net.nz>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tim Beale 2019-06-14 16:41:27 +12:00 committed by David S. Miller
parent 735453730a
commit f48d2ccee1
2 changed files with 0 additions and 23 deletions
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12
net/ipv4/udp.c
View File

@ -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;

11
net/ipv6/udp.c
View File

@ -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;