1 files changed, 8 insertions, 0 deletions

diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index e45be4e3f80d..578630e8e00d 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -2375,6 +2375,14 @@ static int sctp_process_param(struct sctp_association *asoc,
                 asoc->peer.ipv4_address = 0;
                 asoc->peer.ipv6_address = 0;
 
+                /* Assume that peer supports the address family
+                 * by which it sends a packet.
+                 */
+                if (peer_addr->sa.sa_family == AF_INET6)
+                        asoc->peer.ipv6_address = 1;
+                else if (peer_addr->sa.sa_family == AF_INET)
+                        asoc->peer.ipv4_address = 1;
+
                 /* Cycle through address types; avoid divide by 0. */
                 sat = ntohs(param.p->length) - sizeof(sctp_paramhdr_t);
                 if (sat)