summaryrefslogtreecommitdiff
path: root/net/sctp
diff options
context:
space:
mode:
Diffstat (limited to 'net/sctp')
-rw-r--r--net/sctp/associola.c5
-rw-r--r--net/sctp/bind_addr.c1
-rw-r--r--net/sctp/protocol.c1
3 files changed, 6 insertions, 1 deletions
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 16e120b84118..8c5597d07240 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -1583,12 +1583,15 @@ void sctp_assoc_rwnd_decrease(struct sctp_association *asoc, unsigned int len)
int sctp_assoc_set_bind_addr_from_ep(struct sctp_association *asoc,
sctp_scope_t 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)
diff --git a/net/sctp/bind_addr.c b/net/sctp/bind_addr.c
index 401c60750b20..dc4335d817d8 100644
--- a/net/sctp/bind_addr.c
+++ b/net/sctp/bind_addr.c
@@ -451,6 +451,7 @@ static int sctp_copy_one_addr(struct net *net, struct sctp_bind_addr *dest,
* well as the remote peer.
*/
if ((((AF_INET == addr->sa.sa_family) &&
+ (flags & SCTP_ADDR4_ALLOWED) &&
(flags & SCTP_ADDR4_PEERSUPP))) ||
(((AF_INET6 == addr->sa.sa_family) &&
(flags & SCTP_ADDR6_ALLOWED) &&
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index c5a2a538279b..b2c242facf1b 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -210,6 +210,7 @@ int sctp_copy_local_addr_list(struct net *net, struct sctp_bind_addr *bp,
* sock as well as the remote peer.
*/
if ((((AF_INET == addr->a.sa.sa_family) &&
+ (copy_flags & SCTP_ADDR4_ALLOWED) &&
(copy_flags & SCTP_ADDR4_PEERSUPP))) ||
(((AF_INET6 == addr->a.sa.sa_family) &&
(copy_flags & SCTP_ADDR6_ALLOWED) &&