Looks good.
--Justin
On Aug 10, 2011, at 3:05 PM, Ben Pfaff wrote:
> 'n_ports' was only used for testing for nonzero, and we can rewrite the
> code that does that to more straightforwardly use LIST_FOR_EACH_SAFE.
> ---
> lib/dpif-netdev.c | 9 +++------
> 1 files changed, 3 insertions(+), 6 deletions(-)
>
> diff --git a/lib/dpif-netdev.c b/lib/dpif-netdev.c
> index 9f281c2..ffcc28a 100644
> --- a/lib/dpif-netdev.c
> +++ b/lib/dpif-netdev.c
> @@ -91,7 +91,6 @@ struct dp_netdev {
> long long int n_lost; /* Number of misses not passed to client. */
>
> /* Ports. */
> - int n_ports;
> struct dp_netdev_port *ports[MAX_PORTS];
> struct list port_list;
> unsigned int serial;
> @@ -265,10 +264,10 @@ dp_netdev_purge_queues(struct dp_netdev *dp)
> static void
> dp_netdev_free(struct dp_netdev *dp)
> {
> + struct dp_netdev_port *port, *next;
> +
> dp_netdev_flow_flush(dp);
> - while (dp->n_ports > 0) {
> - struct dp_netdev_port *port = CONTAINER_OF(
> - dp->port_list.next, struct dp_netdev_port, node);
> + LIST_FOR_EACH_SAFE (port, next, node, &dp->port_list) {
> do_del_port(dp, port->port_no);
> }
> dp_netdev_purge_queues(dp);
> @@ -386,7 +385,6 @@ do_add_port(struct dp_netdev *dp, const char *devname,
> const char *type,
>
> list_push_back(&dp->port_list, &port->node);
> dp->ports[port_no] = port;
> - dp->n_ports++;
> dp->serial++;
>
> return 0;
> @@ -464,7 +462,6 @@ do_del_port(struct dp_netdev *dp, uint16_t port_no)
>
> list_remove(&port->node);
> dp->ports[port->port_no] = NULL;
> - dp->n_ports--;
> dp->serial++;
>
> name = xstrdup(netdev_get_name(port->netdev));
> --
> 1.7.4.4
>
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