diff options
Diffstat (limited to 'net/hsr/hsr_slave.c')
| -rw-r--r-- | net/hsr/hsr_slave.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/net/hsr/hsr_slave.c b/net/hsr/hsr_slave.c index f5b60388d02f..3d94f547db00 100644 --- a/net/hsr/hsr_slave.c +++ b/net/hsr/hsr_slave.c @@ -31,6 +31,8 @@ static rx_handler_result_t hsr_handle_frame(struct sk_buff **pskb) rcu_read_lock(); /* hsr->node_db, hsr->ports */ port = hsr_port_get_rcu(skb->dev); + if (!port) + goto finish_pass; if (hsr_addr_is_self(port->hsr, eth_hdr(skb)->h_source)) { /* Directly kill frames sent by ourselves */ @@ -149,16 +151,16 @@ int hsr_add_port(struct hsr_priv *hsr, struct net_device *dev, if (port == NULL) return -ENOMEM; + port->hsr = hsr; + port->dev = dev; + port->type = type; + if (type != HSR_PT_MASTER) { res = hsr_portdev_setup(dev, port); if (res) goto fail_dev_setup; } - port->hsr = hsr; - port->dev = dev; - port->type = type; - list_add_tail_rcu(&port->port_list, &hsr->ports); synchronize_rcu(); |