unsigned int optlen)
{
struct sctp_sock *sp = sctp_sk(sk);
- struct net *net = sock_net(sk);
struct sctp_assoc_value params;
+ struct sctp_association *asoc;
int retval = -EINVAL;
if (optlen < sizeof(params))
goto out;
}
- if (params.assoc_id)
+ asoc = sctp_id2assoc(sk, params.assoc_id);
+ if (!asoc && params.assoc_id != SCTP_FUTURE_ASSOC &&
+ sctp_style(sk, UDP))
goto out;
- if (!net->sctp.intl_enable || !sp->frag_interleave) {
+ if (!sock_net(sk)->sctp.intl_enable || !sp->frag_interleave) {
retval = -EPERM;
goto out;
}
goto out;
asoc = sctp_id2assoc(sk, params.assoc_id);
- if (asoc) {
- params.assoc_value = asoc->intl_enable;
- } else if (!params.assoc_id) {
- struct sctp_sock *sp = sctp_sk(sk);
-
- params.assoc_value = sp->strm_interleave;
- } else {
+ if (!asoc && params.assoc_id != SCTP_FUTURE_ASSOC &&
+ sctp_style(sk, UDP)) {
retval = -EINVAL;
goto out;
}
+ params.assoc_value = asoc ? asoc->intl_enable
+ : sctp_sk(sk)->strm_interleave;
+
if (put_user(len, optlen))
goto out;