diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 2cb41d480ae2..8e6305955c75 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -4185,6 +4185,23 @@ out: return ret; } +static struct slave *bond_xmit_3ad_xor_slave_get(struct bonding *bond, + struct sk_buff *skb, + struct bond_up_slave *slaves) +{ + struct slave *slave; + unsigned int count; + u32 hash; + + hash = bond_xmit_hash(bond, skb); + count = slaves ? READ_ONCE(slaves->count) : 0; + if (unlikely(!count)) + return NULL; + + slave = slaves->arr[hash % count]; + return slave; +} + /* Use this Xmit function for 3AD as well as XOR modes. The current * usable slave array is formed in the control path. The xmit function * just calculates hash and sends the packet out. @@ -4193,18 +4210,15 @@ static netdev_tx_t bond_3ad_xor_xmit(struct sk_buff *skb, struct net_device *dev) { struct bonding *bond = netdev_priv(dev); - struct slave *slave; struct bond_up_slave *slaves; - unsigned int count; + struct slave *slave; slaves = rcu_dereference(bond->usable_slaves); - count = slaves ? READ_ONCE(slaves->count) : 0; - if (likely(count)) { - slave = slaves->arr[bond_xmit_hash(bond, skb) % count]; + slave = bond_xmit_3ad_xor_slave_get(bond, skb, slaves); + if (likely(slave)) bond_dev_queue_xmit(bond, skb, slave->dev); - } else { + else bond_tx_drop(dev, skb); - } return NETDEV_TX_OK; }