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neighbour: remove neigh_cleanup() method

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neigh_cleanup() has not been used for seven years, and was a wrong design.

Messing with shared pointer in bond_neigh_init() without proper
memory barriers would at least trigger syzbot complains eventually.

It is time to remove this stuff.

Fixes: b63b70d877 ("IPoIB: Use a private hash table for path lookup in xmit path")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2019-12-07 12:23:21 -08:00
committed by David S. Miller
parent 43aad8104b
commit f394722fb0
3 changed files with 0 additions and 12 deletions
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3
net/core/neighbour.c
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@@ -98,9 +98,6 @@ static int neigh_blackhole(struct neighbour *neigh, struct sk_buff *skb)
static void neigh_cleanup_and_release(struct neighbour *neigh)
{
if (neigh->parms->neigh_cleanup)
neigh->parms->neigh_cleanup(neigh);
trace_neigh_cleanup_and_release(neigh, 0);
__neigh_notify(neigh, RTM_DELNEIGH, 0, 0);
call_netevent_notifiers(NETEVENT_NEIGH_UPDATE, neigh);