ipv4: Define __ipv4_neigh_lookup_noref when CONFIG_INET is disabled
commit 9b3040a6aafd7898ece7fc7efcbca71e42aa8069 upstream.
Define __ipv4_neigh_lookup_noref to return NULL when CONFIG_INET is disabled.
Fixes: 4b2a2bfeb3f0 ("neighbor: Call __ipv4_neigh_lookup_noref in neigh_xmit")
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Cc: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/include/net/arp.h b/include/net/arp.h
index 1b3f869..92d2f7d 100644
--- a/include/net/arp.h
+++ b/include/net/arp.h
@@ -17,6 +17,7 @@
return val * hash_rnd[0];
}
+#ifdef CONFIG_INET
static inline struct neighbour *__ipv4_neigh_lookup_noref(struct net_device *dev, u32 key)
{
if (dev->flags & (IFF_LOOPBACK | IFF_POINTOPOINT))
@@ -24,6 +25,13 @@
return ___neigh_lookup_noref(&arp_tbl, neigh_key_eq32, arp_hashfn, &key, dev);
}
+#else
+static inline
+struct neighbour *__ipv4_neigh_lookup_noref(struct net_device *dev, u32 key)
+{
+ return NULL;
+}
+#endif
static inline struct neighbour *__ipv4_neigh_lookup(struct net_device *dev, u32 key)
{