[PATCH net-next 06/10] netfilter: flowtable: move FLOW_OFFLOAD_DIR_MAX away from enumeration

[Pablo Neira Ayuso]

This allows to remove the default case which should not ever happen and
that was added to avoid gcc warnings on unhandled FLOW_OFFLOAD_DIR_MAX
enumeration case.

Signed-off-by: Pablo Neira Ayuso <pa...@netfilter.org>
---
 include/net/netfilter/nf_flow_table.h | 2 +-
 net/netfilter/nf_flow_table_core.c    | 4 ----
 net/netfilter/nf_flow_table_ip.c      | 8 --------
 3 files changed, 1 insertion(+), 13 deletions(-)

diff --git a/include/net/netfilter/nf_flow_table.h 
b/include/net/netfilter/nf_flow_table.h
index 54c4d5c908a5..ce507251b3d8 100644
--- a/include/net/netfilter/nf_flow_table.h
+++ b/include/net/netfilter/nf_flow_table.h
@@ -86,8 +86,8 @@ static inline bool nf_flowtable_hw_offload(struct 
nf_flowtable *flowtable)
 enum flow_offload_tuple_dir {
        FLOW_OFFLOAD_DIR_ORIGINAL = IP_CT_DIR_ORIGINAL,
        FLOW_OFFLOAD_DIR_REPLY = IP_CT_DIR_REPLY,
-       FLOW_OFFLOAD_DIR_MAX = IP_CT_DIR_MAX
 };
+#define FLOW_OFFLOAD_DIR_MAX   IP_CT_DIR_MAX
 
 struct flow_offload_tuple {
        union {
diff --git a/net/netfilter/nf_flow_table_core.c 
b/net/netfilter/nf_flow_table_core.c
index ff5d94b644ac..3bdbd962a084 100644
--- a/net/netfilter/nf_flow_table_core.c
+++ b/net/netfilter/nf_flow_table_core.c
@@ -454,8 +454,6 @@ int nf_flow_snat_port(const struct flow_offload *flow,
                new_port = 
flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple.src_port;
                hdr->dest = new_port;
                break;
-       default:
-               return -1;
        }
 
        return nf_flow_nat_port(skb, thoff, protocol, port, new_port);
@@ -482,8 +480,6 @@ int nf_flow_dnat_port(const struct flow_offload *flow,
                new_port = 
flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple.dst_port;
                hdr->source = new_port;
                break;
-       default:
-               return -1;
        }
 
        return nf_flow_nat_port(skb, thoff, protocol, port, new_port);
diff --git a/net/netfilter/nf_flow_table_ip.c b/net/netfilter/nf_flow_table_ip.c
index 95adf74515ea..0579e15c4968 100644
--- a/net/netfilter/nf_flow_table_ip.c
+++ b/net/netfilter/nf_flow_table_ip.c
@@ -96,8 +96,6 @@ static int nf_flow_snat_ip(const struct flow_offload *flow, 
struct sk_buff *skb,
                new_addr = 
flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple.src_v4.s_addr;
                iph->daddr = new_addr;
                break;
-       default:
-               return -1;
        }
        csum_replace4(&iph->check, addr, new_addr);
 
@@ -121,8 +119,6 @@ static int nf_flow_dnat_ip(const struct flow_offload *flow, 
struct sk_buff *skb,
                new_addr = 
flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple.dst_v4.s_addr;
                iph->saddr = new_addr;
                break;
-       default:
-               return -1;
        }
        csum_replace4(&iph->check, addr, new_addr);
 
@@ -371,8 +367,6 @@ static int nf_flow_snat_ipv6(const struct flow_offload 
*flow,
                new_addr = 
flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple.src_v6;
                ip6h->daddr = new_addr;
                break;
-       default:
-               return -1;
        }
 
        return nf_flow_nat_ipv6_l4proto(skb, ip6h, thoff, &addr, &new_addr);
@@ -396,8 +390,6 @@ static int nf_flow_dnat_ipv6(const struct flow_offload 
*flow,
                new_addr = 
flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple.dst_v6;
                ip6h->saddr = new_addr;
                break;
-       default:
-               return -1;
        }
 
        return nf_flow_nat_ipv6_l4proto(skb, ip6h, thoff, &addr, &new_addr);
-- 
2.20.1