IB/ipoib: Flip to new dev walk API
authorDavid Ahern <dsa@cumulusnetworks.com>
Tue, 18 Oct 2016 02:15:47 +0000 (19:15 -0700)
committerDavid S. Miller <davem@davemloft.net>
Tue, 18 Oct 2016 15:44:59 +0000 (11:44 -0400)
Convert ipoib_get_net_dev_match_addr to the new upper device walk API.
This is just a code conversion; no functional change is intended.

v2
- removed typecast of data

Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/infiniband/ulp/ipoib/ipoib_main.c

index 5636fc3da6b867aaabe5c1ff7f197d3f0077df76..cc059218c962626c58a1494f495e29b50a7d7ad8 100644 (file)
@@ -292,6 +292,25 @@ static struct net_device *ipoib_get_master_net_dev(struct net_device *dev)
        return dev;
 }
 
+struct ipoib_walk_data {
+       const struct sockaddr *addr;
+       struct net_device *result;
+};
+
+static int ipoib_upper_walk(struct net_device *upper, void *_data)
+{
+       struct ipoib_walk_data *data = _data;
+       int ret = 0;
+
+       if (ipoib_is_dev_match_addr_rcu(data->addr, upper)) {
+               dev_hold(upper);
+               data->result = upper;
+               ret = 1;
+       }
+
+       return ret;
+}
+
 /**
  * Find a net_device matching the given address, which is an upper device of
  * the given net_device.
@@ -304,27 +323,21 @@ static struct net_device *ipoib_get_master_net_dev(struct net_device *dev)
 static struct net_device *ipoib_get_net_dev_match_addr(
                const struct sockaddr *addr, struct net_device *dev)
 {
-       struct net_device *upper,
-                         *result = NULL;
-       struct list_head *iter;
+       struct ipoib_walk_data data = {
+               .addr = addr,
+       };
 
        rcu_read_lock();
        if (ipoib_is_dev_match_addr_rcu(addr, dev)) {
                dev_hold(dev);
-               result = dev;
+               data.result = dev;
                goto out;
        }
 
-       netdev_for_each_all_upper_dev_rcu(dev, upper, iter) {
-               if (ipoib_is_dev_match_addr_rcu(addr, upper)) {
-                       dev_hold(upper);
-                       result = upper;
-                       break;
-               }
-       }
+       netdev_walk_all_upper_dev_rcu(dev, ipoib_upper_walk, &data);
 out:
        rcu_read_unlock();
-       return result;
+       return data.result;
 }
 
 /* returns the number of IPoIB netdevs on top a given ipoib device matching a