Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[cascardo/linux.git] / net / 8021q / vlanproc.c

diff --git a/net/8021q/vlanproc.c b/net/8021q/vlanproc.c
index 5e24f72..d216a64 100644 (file)
--- a/net/8021q/vlanproc.c
+++ b/net/8021q/vlanproc.c
@@ -237,13 +237,9 @@ int vlan_proc_rem_dev(struct net_device *vlandev)
  * The following few functions build the content of /proc/net/vlan/config
  */
 
-/* starting at dev, find a VLAN device */
-static struct net_device *vlan_skip(struct net_device *dev)
+static inline int is_vlan_dev(struct net_device *dev)
 {
-       while (dev && !(dev->priv_flags & IFF_802_1Q_VLAN))
-               dev = dev->next;
-
-       return dev;
+       return dev->priv_flags & IFF_802_1Q_VLAN;
 }
 
 /* start read of /proc/net/vlan/config */
@@ -257,19 +253,35 @@ static void *vlan_seq_start(struct seq_file *seq, loff_t *pos)
        if (*pos == 0)
                return SEQ_START_TOKEN;
 
-       for (dev = vlan_skip(dev_base); dev && i < *pos;
-            dev = vlan_skip(dev->next), ++i);
+       for_each_netdev(dev) {
+               if (!is_vlan_dev(dev))
+                       continue;
+
+               if (i++ == *pos)
+                       return dev;
+       }
 
-       return  (i == *pos) ? dev : NULL;
+       return  NULL;
 }
 
 static void *vlan_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 {
+       struct net_device *dev;
+
        ++*pos;
 
-       return vlan_skip((v == SEQ_START_TOKEN)
-                           ? dev_base
-                           : ((struct net_device *)v)->next);
+       dev = (struct net_device *)v;
+       if (v == SEQ_START_TOKEN)
+               dev = net_device_entry(&dev_base_head);
+
+       for_each_netdev_continue(dev) {
+               if (!is_vlan_dev(dev))
+                       continue;
+
+               return dev;
+       }
+
+       return NULL;
 }
 
 static void vlan_seq_stop(struct seq_file *seq, void *v)