ipoib_path_lookup(skb, n, dev);
> +struct ipoib_neigh *ipoib_neigh_get(struct net_device *dev, u8 *daddr)
> {
> + struct ipoib_dev_priv *priv = netdev_priv(dev);
> + struct ipoib_hash_table *htbl = &priv->neigh_htbl;
> struct ipoib_neigh *neigh;
> - struct ipoib_dev_priv *priv = netdev_priv(n->dev);
> +
> + read_lock_bh(&htbl->rwlock);
> + neigh = ipoib_neigh_lookup(htbl, daddr);
> + read_unlock_bh(&htbl->rwlock);
> +
> + return neigh;
> +}
> +
I'm surprised a bit to see a reader lock when the routine being called used RCU
with a reference count...
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