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authorDavid Ahern <dsahern@gmail.com>2019-05-05 11:16:20 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-06-11 12:19:23 +0200
commit24741972810afa6e0682067fec022189d1d6728e (patch)
tree32001e87d7bd83769d0628e8e16d7a2b21700131
parentb6dc42e5d08fb8ed936f562691313da1991b5927 (diff)
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>
-rw-r--r--include/net/arp.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/net/arp.h b/include/net/arp.h
index 977aabfcdc03..c8f580a0e6b1 100644
--- a/include/net/arp.h
+++ b/include/net/arp.h
@@ -18,6 +18,7 @@ static inline u32 arp_hashfn(const void *pkey, const struct net_device *dev, u32
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))
@@ -25,6 +26,13 @@ static inline struct neighbour *__ipv4_neigh_lookup_noref(struct net_device *dev
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)
{