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authorJeremy Sowden <jeremy@azazel.net>2019-08-07 15:17:00 +0100
committerPablo Neira Ayuso <pablo@netfilter.org>2019-08-13 12:14:49 +0200
commit9211bfbff80a7604273086fec5685efcdc10be2b (patch)
tree3c339bd3123b3a8f5d8299a0e7176a2843e47f14 /include/net/netfilter/br_netfilter.h
parentnetfilter: add missing includes to a number of header-files. (diff)
downloadlinux-dev-9211bfbff80a7604273086fec5685efcdc10be2b.tar.xz
linux-dev-9211bfbff80a7604273086fec5685efcdc10be2b.zip
netfilter: add missing IS_ENABLED(CONFIG_BRIDGE_NETFILTER) checks to header-file.
br_netfilter.h defines inline functions that use an enum constant and struct member that are only defined if CONFIG_BRIDGE_NETFILTER is enabled. Added preprocessor checks to ensure br_netfilter.h will compile if CONFIG_BRIDGE_NETFILTER is disabled. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'include/net/netfilter/br_netfilter.h')
-rw-r--r--include/net/netfilter/br_netfilter.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/net/netfilter/br_netfilter.h b/include/net/netfilter/br_netfilter.h
index ca121ed906df..33533ea852a1 100644
--- a/include/net/netfilter/br_netfilter.h
+++ b/include/net/netfilter/br_netfilter.h
@@ -8,12 +8,16 @@
static inline struct nf_bridge_info *nf_bridge_alloc(struct sk_buff *skb)
{
+#if IS_ENABLED(CONFIG_BRIDGE_NETFILTER)
struct nf_bridge_info *b = skb_ext_add(skb, SKB_EXT_BRIDGE_NF);
if (b)
memset(b, 0, sizeof(*b));
return b;
+#else
+ return NULL;
+#endif
}
void nf_bridge_update_protocol(struct sk_buff *skb);
@@ -38,10 +42,14 @@ int br_nf_pre_routing_finish_bridge(struct net *net, struct sock *sk, struct sk_
static inline struct rtable *bridge_parent_rtable(const struct net_device *dev)
{
+#if IS_ENABLED(CONFIG_BRIDGE_NETFILTER)
struct net_bridge_port *port;
port = br_port_get_rcu(dev);
return port ? &port->br->fake_rtable : NULL;
+#else
+ return NULL;
+#endif
}
struct net_device *setup_pre_routing(struct sk_buff *skb,