diff options
Diffstat (limited to 'net/sctp/socket.c')
| -rw-r--r-- | net/sctp/socket.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/net/sctp/socket.c b/net/sctp/socket.c index e5487a1140f9..b9263ad6a3a1 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -4240,8 +4240,8 @@ static int sctp_setsockopt_interleaving_supported(struct sock *sk, 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)) @@ -4253,10 +4253,12 @@ static int sctp_setsockopt_interleaving_supported(struct sock *sk, 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; } @@ -7453,17 +7455,15 @@ static int sctp_getsockopt_interleaving_supported(struct sock *sk, int len, 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; |