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path: root/net/sctp/sm_make_chunk.c
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Diffstat (limited to 'net/sctp/sm_make_chunk.c')
-rw-r--r--net/sctp/sm_make_chunk.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 69a464f1d2b..6eeee535e94 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -2827,6 +2827,19 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc,
union sctp_addr addr;
union sctp_addr_param *addr_param;
+ switch (addr_param->v4.param_hdr.type) {
+ case SCTP_PARAM_IPV6_ADDRESS:
+ if (!asoc->peer.ipv6_address)
+ return SCTP_ERROR_INV_PARAM;
+ break;
+ case SCTP_PARAM_IPV4_ADDRESS:
+ if (!asoc->peer.ipv4_address)
+ return SCTP_ERROR_INV_PARAM;
+ break;
+ default:
+ return SCTP_ERROR_INV_PARAM;
+ }
+
addr_param = (union sctp_addr_param *)
((void *)asconf_param + sizeof(sctp_addip_param_t));