[PATCH 5.11 152/152] Revert "net: bonding: fix error return code of bond_neigh_init()"

Greg Kroah-Hartman
2021-04-05T09:24:48Z

From: David S. Miller <davem@davemloft.net>

commit 080bfa1e6d928a5d1f185cc44e5f3c251df06df5 upstream.

This reverts commit 2055a99da8a253a357bdfd359b3338ef3375a26c.

This change rejects legitimate configurations.

A slave doesn't need to exist nor implement ndo_slave_setup.

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/bonding/bond_main.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)

--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -3917,15 +3917,11 @@ static int bond_neigh_init(struct neighb

rcu_read_lock();
slave = bond_first_slave_rcu(bond);
- if (!slave) {
- ret = -EINVAL;
+ if (!slave)
goto out;
- }
slave_ops = slave->dev->netdev_ops;
- if (!slave_ops->ndo_neigh_setup) {
- ret = -EINVAL;
+ if (!slave_ops->ndo_neigh_setup)
goto out;
- }

/* TODO: find another way [1] to implement this.
* Passing a zeroed structure is fragile,