David Ahern <[email protected]> wrote:
> As Eric noted netif_index_is_vrf is not called with rcu_read_lock held,
> so use dev_get_by_index instead of dev_get_by_index_rcu.
>
> If VRF is not enabled or oif is 0 skip the device lookup.
>
> Signed-off-by: David Ahern <[email protected]>
Why not
> static inline bool netif_index_is_vrf(struct net *net, int ifindex)
> {
> - struct net_device *dev = dev_get_by_index_rcu(net, ifindex);
> bool rc = false;
>
> - if (dev)
> - rc = netif_is_vrf(dev);
> +#if IS_ENABLED(CONFIG_NET_VRF)
> + struct net_device *dev;
> +
> + if (ifindex == 0)
> + return false;
rcu_read_lock();
dev = dev_get_by_index_rcu(net, ifindex);
if (dev)
rc = netif_is_vrf(dev);
rcu_read_unlock();
> +#endif
> return rc;
instead?
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