diff options
| -rw-r--r-- | net/ieee802154/6lowpan/rx.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/net/ieee802154/6lowpan/rx.c b/net/ieee802154/6lowpan/rx.c index d6f5e8ee6fda..12e10201d263 100644 --- a/net/ieee802154/6lowpan/rx.c +++ b/net/ieee802154/6lowpan/rx.c @@ -67,6 +67,10 @@ static int lowpan_rcv(struct sk_buff *skb, struct net_device *dev, struct ieee802154_hdr hdr; int ret; + if (dev->type != ARPHRD_IEEE802154 || + !dev->ieee802154_ptr->lowpan_dev) + goto drop; + skb = skb_share_check(skb, GFP_ATOMIC); if (!skb) goto drop; @@ -77,9 +81,6 @@ static int lowpan_rcv(struct sk_buff *skb, struct net_device *dev, if (skb->pkt_type == PACKET_OTHERHOST) goto drop_skb; - if (dev->type != ARPHRD_IEEE802154) - goto drop_skb; - if (ieee802154_hdr_peek_addrs(skb, &hdr) < 0) goto drop_skb; |