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ipv4: Define __ipv4_neigh_lookup_noref when CONFIG_INET is disabled

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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>
This commit is contained in:
David Ahern 2019-05-05 11:16:20 -07:00 committed by Greg Kroah-Hartman
parent 585724f83b
commit badd8e3149
1 changed files with 8 additions and 0 deletions
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8
include/net/arp.h
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@ -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)
{