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udp: Remove unused variable/function (exact_dif)

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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But that logic has now been replaced by udp_sk_bound_dev_eq() and so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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11
net/ipv6/udp.c
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@@ -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;