diff options
Diffstat (limited to 'net/bluetooth/6lowpan.c')
| -rw-r--r-- | net/bluetooth/6lowpan.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c index fcfaa7006b28..c2e0d14433df 100644 --- a/net/bluetooth/6lowpan.c +++ b/net/bluetooth/6lowpan.c @@ -546,11 +546,12 @@ static int send_pkt(struct l2cap_chan *chan, struct sk_buff *skb, return err; } -static void send_mcast_pkt(struct sk_buff *skb, struct net_device *netdev) +static int send_mcast_pkt(struct sk_buff *skb, struct net_device *netdev) { struct sk_buff *local_skb; struct lowpan_dev *entry, *tmp; unsigned long flags; + int err = 0; read_lock_irqsave(&devices_lock, flags); @@ -564,19 +565,25 @@ static void send_mcast_pkt(struct sk_buff *skb, struct net_device *netdev) dev = lowpan_dev(entry->netdev); list_for_each_entry_safe(pentry, ptmp, &dev->peers, list) { + int ret; + local_skb = skb_clone(skb, GFP_ATOMIC); BT_DBG("xmit %s to %pMR type %d IP %pI6c chan %p", netdev->name, &pentry->chan->dst, pentry->chan->dst_type, &pentry->peer_addr, pentry->chan); - send_pkt(pentry->chan, local_skb, netdev); + ret = send_pkt(pentry->chan, local_skb, netdev); + if (ret < 0) + err = ret; kfree_skb(local_skb); } } read_unlock_irqrestore(&devices_lock, flags); + + return err; } static netdev_tx_t bt_xmit(struct sk_buff *skb, struct net_device *netdev) @@ -620,7 +627,7 @@ static netdev_tx_t bt_xmit(struct sk_buff *skb, struct net_device *netdev) /* We need to send the packet to every device behind this * interface. */ - send_mcast_pkt(skb, netdev); + err = send_mcast_pkt(skb, netdev); } dev_kfree_skb(skb); |