blob: 3b4db6a79eb23e0535a54512d4790253d46bf037 [file] [log] [blame]
From 9b3040a6aafd7898ece7fc7efcbca71e42aa8069 Mon Sep 17 00:00:00 2001
From: David Ahern <dsahern@gmail.com>
Date: Sun, 5 May 2019 11:16:20 -0700
Subject: ipv4: Define __ipv4_neigh_lookup_noref when CONFIG_INET is disabled
From: David Ahern <dsahern@gmail.com>
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>
---
include/net/arp.h | 8 ++++++++
1 file changed, 8 insertions(+)
--- a/include/net/arp.h
+++ b/include/net/arp.h
@@ -18,6 +18,7 @@ static inline u32 arp_hashfn(const void
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_n
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)
{