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Diffstat (limited to 'net/sctp/associola.c')
-rw-r--r--net/sctp/associola.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 72315137d7e7..8d735461fa19 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -1565,12 +1565,15 @@ void sctp_assoc_rwnd_decrease(struct sctp_association *asoc, unsigned int len)
int sctp_assoc_set_bind_addr_from_ep(struct sctp_association *asoc,
enum sctp_scope scope, gfp_t gfp)
{
+ struct sock *sk = asoc->base.sk;
int flags;
/* Use scoping rules to determine the subset of addresses from
* the endpoint.
*/
- flags = (PF_INET6 == asoc->base.sk->sk_family) ? SCTP_ADDR6_ALLOWED : 0;
+ flags = (PF_INET6 == sk->sk_family) ? SCTP_ADDR6_ALLOWED : 0;
+ if (!inet_v6_ipv6only(sk))
+ flags |= SCTP_ADDR4_ALLOWED;
if (asoc->peer.ipv4_address)
flags |= SCTP_ADDR4_PEERSUPP;
if (asoc->peer.ipv6_address)