diff options
Diffstat (limited to 'net/ieee802154/6lowpan')
| -rw-r--r-- | net/ieee802154/6lowpan/rx.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/net/ieee802154/6lowpan/rx.c b/net/ieee802154/6lowpan/rx.c index c529d9f2561f..4ddf69445032 100644 --- a/net/ieee802154/6lowpan/rx.c +++ b/net/ieee802154/6lowpan/rx.c @@ -33,14 +33,9 @@ iphc_decompress(struct sk_buff *skb, const struct ieee802154_hdr *hdr) void *sap, *dap; raw_dump_table(__func__, "raw skb data dump", skb->data, skb->len); - /* at least two bytes will be used for the encoding */ - if (skb->len < 2) - return -EINVAL; - - if (lowpan_fetch_skb_u8(skb, &iphc0)) - return -EINVAL; - if (lowpan_fetch_skb_u8(skb, &iphc1)) + if (lowpan_fetch_skb_u8(skb, &iphc0) || + lowpan_fetch_skb_u8(skb, &iphc1)) return -EINVAL; ieee802154_addr_to_sa(&sa, &hdr->source); |