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-rw-r--r--net/sctp/input.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/net/sctp/input.c b/net/sctp/input.c
index 458e506ef84b..704ad19c1565 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -1229,13 +1229,26 @@ static struct sctp_association *__sctp_rcv_lookup(struct net *net,
struct sctp_association *asoc;
asoc = __sctp_lookup_association(net, laddr, paddr, transportp);
+ if (asoc)
+ goto out;
/* Further lookup for INIT/INIT-ACK packets.
* SCTP Implementors Guide, 2.18 Handling of address
* parameters within the INIT or INIT-ACK.
*/
- if (!asoc)
- asoc = __sctp_rcv_lookup_harder(net, skb, laddr, transportp);
+ asoc = __sctp_rcv_lookup_harder(net, skb, laddr, transportp);
+ if (asoc)
+ goto out;
+ if (paddr->sa.sa_family == AF_INET)
+ pr_debug("sctp: asoc not found for src:%pI4:%d dst:%pI4:%d\n",
+ &laddr->v4.sin_addr, ntohs(laddr->v4.sin_port),
+ &paddr->v4.sin_addr, ntohs(paddr->v4.sin_port));
+ else
+ pr_debug("sctp: asoc not found for src:%pI6:%d dst:%pI6:%d\n",
+ &laddr->v6.sin6_addr, ntohs(laddr->v6.sin6_port),
+ &paddr->v6.sin6_addr, ntohs(paddr->v6.sin6_port));
+
+out:
return asoc;
}