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Commit 645fa685 authored by David Ahern's avatar David Ahern Committed by Greg Kroah-Hartman
Browse files

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: default avatarkbuild test robot <lkp@intel.com>
Signed-off-by: default avatarDavid Ahern <dsahern@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Cc: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent ec8a9eb2

include/net/arp.h

+8 −0
Original line number Diff line number Diff line
@@ -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)

{