net: dev: reduce both ingress hook ifdefs

Reduce ifdef pollution slightly, no functional change. We can simply
remove the extra alternative definition of handle_ing() and nf_ingress().

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/core/dev.c b/net/core/dev.c
index 0e7afef..594163d 100644 (file)
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3627,11 +3627,11 @@ int (*br_fdb_test_addr_hook)(struct net_device *dev,
 EXPORT_SYMBOL_GPL(br_fdb_test_addr_hook);
 #endif
 
-#ifdef CONFIG_NET_CLS_ACT
 static inline struct sk_buff *handle_ing(struct sk_buff *skb,
                                         struct packet_type **pt_prev,
                                         int *ret, struct net_device *orig_dev)
 {
+#ifdef CONFIG_NET_CLS_ACT
        struct tcf_proto *cl = rcu_dereference_bh(skb->dev->ingress_cl_list);
        struct tcf_result cl_res;
 
@@ -3665,17 +3665,9 @@ static inline struct sk_buff *handle_ing(struct sk_buff *skb,
        default:
                break;
        }
-
-       return skb;
-}
-#else
-static inline struct sk_buff *handle_ing(struct sk_buff *skb,
-                                        struct packet_type **pt_prev,
-                                        int *ret, struct net_device *orig_dev)
-{
+#endif /* CONFIG_NET_CLS_ACT */
        return skb;
 }
-#endif
 
 /**
  *     netdev_rx_handler_register - register receive handler
@@ -3748,10 +3740,10 @@ static bool skb_pfmemalloc_protocol(struct sk_buff *skb)
        }
 }
 
-#ifdef CONFIG_NETFILTER_INGRESS
 static inline int nf_ingress(struct sk_buff *skb, struct packet_type **pt_prev,
                             int *ret, struct net_device *orig_dev)
 {
+#ifdef CONFIG_NETFILTER_INGRESS
        if (nf_hook_ingress_active(skb)) {
                if (*pt_prev) {
                        *ret = deliver_skb(skb, *pt_prev, orig_dev);
@@ -3760,15 +3752,9 @@ static inline int nf_ingress(struct sk_buff *skb, struct packet_type **pt_prev,
 
                return nf_hook_ingress(skb);
        }
+#endif /* CONFIG_NETFILTER_INGRESS */
        return 0;
 }
-#else
-static inline int nf_ingress(struct sk_buff *skb, struct packet_type **pt_prev,
-                            int *ret, struct net_device *orig_dev)
-{
-       return 0;
-}
-#endif
 
 static int __netif_receive_skb_core(struct sk_buff *skb, bool pfmemalloc)
 {