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-rw-r--r--net/sctp/sm_make_chunk.c29
1 files changed, 19 insertions, 10 deletions
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 9484f33730f..6851ee94e97 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -224,7 +224,9 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
num_ext += 2;
}
- chunksize += sizeof(aiparam);
+ if (sp->adaptation_ind)
+ chunksize += sizeof(aiparam);
+
chunksize += vparam_len;
/* Account for AUTH related parameters */
@@ -304,10 +306,12 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
if (sctp_prsctp_enable)
sctp_addto_chunk(retval, sizeof(prsctp_param), &prsctp_param);
- aiparam.param_hdr.type = SCTP_PARAM_ADAPTATION_LAYER_IND;
- aiparam.param_hdr.length = htons(sizeof(aiparam));
- aiparam.adaptation_ind = htonl(sp->adaptation_ind);
- sctp_addto_chunk(retval, sizeof(aiparam), &aiparam);
+ if (sp->adaptation_ind) {
+ aiparam.param_hdr.type = SCTP_PARAM_ADAPTATION_LAYER_IND;
+ aiparam.param_hdr.length = htons(sizeof(aiparam));
+ aiparam.adaptation_ind = htonl(sp->adaptation_ind);
+ sctp_addto_chunk(retval, sizeof(aiparam), &aiparam);
+ }
/* Add SCTP-AUTH chunks to the parameter list */
if (sctp_auth_enable) {
@@ -332,6 +336,7 @@ struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc,
sctp_inithdr_t initack;
struct sctp_chunk *retval;
union sctp_params addrs;
+ struct sctp_sock *sp;
int addrs_len;
sctp_cookie_param_t *cookie;
int cookie_len;
@@ -366,6 +371,7 @@ struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc,
/* Calculate the total size of allocation, include the reserved
* space for reporting unknown parameters if it is specified.
*/
+ sp = sctp_sk(asoc->base.sk);
chunksize = sizeof(initack) + addrs_len + cookie_len + unkparam_len;
/* Tell peer that we'll do ECN only if peer advertised such cap. */
@@ -381,7 +387,8 @@ struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc,
num_ext += 2;
}
- chunksize += sizeof(aiparam);
+ if (sp->adaptation_ind)
+ chunksize += sizeof(aiparam);
if (asoc->peer.auth_capable) {
auth_random = (sctp_paramhdr_t *)asoc->c.auth_random;
@@ -432,10 +439,12 @@ struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc,
if (asoc->peer.prsctp_capable)
sctp_addto_chunk(retval, sizeof(prsctp_param), &prsctp_param);
- aiparam.param_hdr.type = SCTP_PARAM_ADAPTATION_LAYER_IND;
- aiparam.param_hdr.length = htons(sizeof(aiparam));
- aiparam.adaptation_ind = htonl(sctp_sk(asoc->base.sk)->adaptation_ind);
- sctp_addto_chunk(retval, sizeof(aiparam), &aiparam);
+ if (sp->adaptation_ind) {
+ aiparam.param_hdr.type = SCTP_PARAM_ADAPTATION_LAYER_IND;
+ aiparam.param_hdr.length = htons(sizeof(aiparam));
+ aiparam.adaptation_ind = htonl(sp->adaptation_ind);
+ sctp_addto_chunk(retval, sizeof(aiparam), &aiparam);
+ }
if (asoc->peer.auth_capable) {
sctp_addto_chunk(retval, ntohs(auth_random->length),