__skb_pull(skb, skb->h.raw - skb->data);
if (skb->len < sizeof(struct sctphdr))
goto discard_it;
- if (sctp_rcv_checksum(skb) < 0)
+ if ((skb->ip_summed != CHECKSUM_UNNECESSARY) &&
+ (sctp_rcv_checksum(skb) < 0))
goto discard_it;
skb_pull(skb, sizeof(struct sctphdr));
* IP broadcast addresses cannot be used in an SCTP transport
* address."
*/
- if (!af->addr_valid(&src, NULL) || !af->addr_valid(&dest, NULL))
+ if (!af->addr_valid(&src, NULL, skb) ||
+ !af->addr_valid(&dest, NULL, skb))
goto discard_it;
asoc = __sctp_rcv_lookup(skb, &src, &dest, &transport);