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authorEric Dumazet <edumazet@google.com>2019-12-07 12:23:21 -0800
committerDavid S. Miller <davem@davemloft.net>2019-12-09 09:48:47 -0800
commitf394722fb0d0f701119368959d7cd0ecbc46363a (patch)
treed3838cf1766c2faf7a89520aed6c8e59ee8c0bed /drivers/net
parent43aad8104bdaa7176a8f87143ac0e559bc891293 (diff)
downloadlinux-f394722fb0d0f701119368959d7cd0ecbc46363a.tar.bz2
neighbour: remove neigh_cleanup() method
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: b63b70d87741 ("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>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/bonding/bond_main.c8
1 files changed, 0 insertions, 8 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index fcb7c2f7f001..6c72623e48e5 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -3712,18 +3712,10 @@ static int bond_neigh_init(struct neighbour *n)
return 0;
parms.neigh_setup = NULL;
- parms.neigh_cleanup = NULL;
ret = slave_ops->ndo_neigh_setup(slave->dev, &parms);
if (ret)
return ret;
- /* Assign slave's neigh_cleanup to neighbour in case cleanup is called
- * after the last slave has been detached. Assumes that all slaves
- * utilize the same neigh_cleanup (true at this writing as only user
- * is ipoib).
- */
- n->parms->neigh_cleanup = parms.neigh_cleanup;
-
if (!parms.neigh_setup)
return 0;