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Diffstat (limited to 'net/bridge/br_fdb.c')
-rw-r--r--net/bridge/br_fdb.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index 7be33667a839..0bb9d8b63dd2 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -676,6 +676,7 @@ errout:
int br_fdb_dump(struct sk_buff *skb,
struct netlink_callback *cb,
struct net_device *dev,
+ struct net_device *filter_dev,
int idx)
{
struct net_bridge *br = netdev_priv(dev);
@@ -691,6 +692,19 @@ int br_fdb_dump(struct sk_buff *skb,
if (idx < cb->args[0])
goto skip;
+ if (filter_dev &&
+ (!f->dst || f->dst->dev != filter_dev)) {
+ if (filter_dev != dev)
+ goto skip;
+ /* !f->dst is a speacial case for bridge
+ * It means the MAC belongs to the bridge
+ * Therefore need a little more filtering
+ * we only want to dump the !f->dst case
+ */
+ if (f->dst)
+ goto skip;
+ }
+
if (fdb_fill_info(skb, br, f,
NETLINK_CB(cb->skb).portid,
cb->nlh->nlmsg_seq,