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-rw-r--r--net/8021q/vlanproc.c36
1 files changed, 24 insertions, 12 deletions
diff --git a/net/8021q/vlanproc.c b/net/8021q/vlanproc.c
index 5e24f72602a1..d216a64421cd 100644
--- 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)

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