[PATCH net-next 08/11] rocker: Flip to the new dev walk API

[David Ahern]

Convert rocker to the new dev walk API. This is just a code conversion;
no functional change is intended.

Signed-off-by: David Ahern <d...@cumulusnetworks.com>
---
 drivers/net/ethernet/rocker/rocker_main.c | 31 ++++++++++++++++++++++++-------
 1 file changed, 24 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/rocker/rocker_main.c 
b/drivers/net/ethernet/rocker/rocker_main.c
index 5424fb341613..9310adc0bcbb 100644
--- a/drivers/net/ethernet/rocker/rocker_main.c
+++ b/drivers/net/ethernet/rocker/rocker_main.c
@@ -2839,20 +2839,37 @@ static bool rocker_port_dev_check_under(const struct 
net_device *dev,
        return true;
 }
 
+struct rocker_walk_data {
+       struct rocker *rocker;
+       struct rocker_port *port;
+};
+
+static int rocker_lower_dev_walk(struct net_device *lower_dev, void *_data)
+{
+       struct rocker_walk_data *data = (struct rocker_walk_data *)_data;
+       int ret = 0;
+
+       if (rocker_port_dev_check_under(lower_dev, data->rocker)) {
+               data->port = netdev_priv(lower_dev);
+               ret = 1;
+       }
+
+       return ret;
+}
+
 struct rocker_port *rocker_port_dev_lower_find(struct net_device *dev,
                                               struct rocker *rocker)
 {
-       struct net_device *lower_dev;
-       struct list_head *iter;
+       struct rocker_walk_data data;
 
        if (rocker_port_dev_check_under(dev, rocker))
                return netdev_priv(dev);
 
-       netdev_for_each_all_lower_dev(dev, lower_dev, iter) {
-               if (rocker_port_dev_check_under(lower_dev, rocker))
-                       return netdev_priv(lower_dev);
-       }
-       return NULL;
+       data.rocker = rocker;
+       data.port = NULL;
+       netdev_walk_all_lower_dev(dev, rocker_lower_dev_walk, &data);
+
+       return data.port;
 }
 
 static int rocker_netdevice_event(struct notifier_block *unused,
-- 
2.1.4