diff options
Diffstat (limited to 'net/dsa/tag_dsa.c')
-rw-r--r-- | net/dsa/tag_dsa.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/net/dsa/tag_dsa.c b/net/dsa/tag_dsa.c index aa780e4ac0bd..bce79ffe342b 100644 --- a/net/dsa/tag_dsa.c +++ b/net/dsa/tag_dsa.c @@ -107,10 +107,14 @@ static int dsa_rcv(struct sk_buff *skb, struct net_device *dev, * Check that the source device exists and that the source * port is a registered DSA port. */ - if (source_device >= dst->pd->nr_chips) + if (source_device >= DSA_MAX_SWITCHES) goto out_drop; + ds = dst->ds[source_device]; - if (source_port >= DSA_MAX_PORTS || ds->ports[source_port] == NULL) + if (!ds) + goto out_drop; + + if (source_port >= DSA_MAX_PORTS || !ds->ports[source_port].netdev) goto out_drop; /* @@ -159,7 +163,7 @@ static int dsa_rcv(struct sk_buff *skb, struct net_device *dev, 2 * ETH_ALEN); } - skb->dev = ds->ports[source_port]; + skb->dev = ds->ports[source_port].netdev; skb_push(skb, ETH_HLEN); skb->pkt_type = PACKET_HOST; skb->protocol = eth_type_trans(skb, skb->dev); |