diff options
Diffstat (limited to 'net/llc/llc_station.c')
| -rw-r--r-- | net/llc/llc_station.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/net/llc/llc_station.c b/net/llc/llc_station.c index c29170e767a8..f50654292510 100644 --- a/net/llc/llc_station.c +++ b/net/llc/llc_station.c @@ -54,7 +54,6 @@ static int llc_station_ac_send_xid_r(struct sk_buff *skb) if (!nskb) goto out; - rc = 0; llc_pdu_decode_sa(skb, mac_da); llc_pdu_decode_ssap(skb, &dsap); llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, 0, dsap, LLC_PDU_RSP); @@ -77,13 +76,15 @@ static int llc_station_ac_send_test_r(struct sk_buff *skb) u32 data_size; struct sk_buff *nskb; + if (skb->mac_len < ETH_HLEN) + goto out; + /* The test request command is type U (llc_len = 3) */ data_size = ntohs(eth_hdr(skb)->h_proto) - 3; nskb = llc_alloc_frame(NULL, skb->dev, LLC_PDU_TYPE_U, data_size); if (!nskb) goto out; - rc = 0; llc_pdu_decode_sa(skb, mac_da); llc_pdu_decode_ssap(skb, &dsap); llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, 0, dsap, LLC_PDU_RSP); |