diff options
Diffstat (limited to '')
| -rw-r--r-- | net/ipv6/reassembly.c | 31 |
1 files changed, 1 insertions, 30 deletions
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c index e3869bac9c88..47a0dc46cbdb 100644 --- a/net/ipv6/reassembly.c +++ b/net/ipv6/reassembly.c @@ -318,35 +318,6 @@ out_fail: return -1; } -/* Check if the upper layer header is truncated in the first fragment. */ -bool ipv6_frag_thdr_truncated(struct sk_buff *skb, int start, u8 *nexthdrp) -{ - u8 nexthdr = *nexthdrp; - __be16 frag_off; - int offset; - - offset = ipv6_skip_exthdr(skb, start, &nexthdr, &frag_off); - if (offset < 0 || (frag_off & htons(IP6_OFFSET))) - return false; - switch (nexthdr) { - case NEXTHDR_TCP: - offset += sizeof(struct tcphdr); - break; - case NEXTHDR_UDP: - offset += sizeof(struct udphdr); - break; - case NEXTHDR_ICMP: - offset += sizeof(struct icmp6hdr); - break; - default: - offset += 1; - } - if (offset > skb->len) - return true; - return false; -} -EXPORT_SYMBOL(ipv6_frag_thdr_truncated); - static int ipv6_frag_rcv(struct sk_buff *skb) { struct frag_hdr *fhdr; @@ -390,7 +361,7 @@ static int ipv6_frag_rcv(struct sk_buff *skb) * the source of the fragment, with the Pointer field set to zero. */ nexthdr = hdr->nexthdr; - if (ipv6_frag_thdr_truncated(skb, skb_transport_offset(skb), &nexthdr)) { + if (ipv6frag_thdr_truncated(skb, skb_transport_offset(skb), &nexthdr)) { __IP6_INC_STATS(net, __in6_dev_get_safely(skb->dev), IPSTATS_MIB_INHDRERRORS); icmpv6_param_prob(skb, ICMPV6_HDR_INCOMP, 0); |