[SCTP]: Update AUTH structures to match declarations in draft-16.

The new SCTP socket api (draft 16) updates the AUTH API structures.
We never exported these since we knew they would change.
Update the rest to match the draft.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 848df21dc6c1..939892691a26 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -1964,7 +1964,7 @@ static int sctp_setsockopt_disable_fragments(struct sock *sk,
 static int sctp_setsockopt_events(struct sock *sk, char __user *optval,
                                         int optlen)
 {
-        if (optlen != sizeof(struct sctp_event_subscribe))
+        if (optlen > sizeof(struct sctp_event_subscribe))
                 return -EINVAL;
         if (copy_from_user(&sctp_sk(sk)->subscribe, optval, optlen))
                 return -EFAULT;
@@ -5094,6 +5094,8 @@ static int sctp_getsockopt_peer_auth_chunks(struct sock *sk, int len,
         len = num_chunks;
         if (put_user(len, optlen))
                 return -EFAULT;
+        if (put_user(num_chunks, &p->gauth_number_of_chunks))
+                return -EFAULT;
         if (copy_to_user(to, ch->chunks, len))
                 return -EFAULT;
 
@@ -5133,6 +5135,8 @@ static int sctp_getsockopt_local_auth_chunks(struct sock *sk, int len,
         len = num_chunks;
         if (put_user(len, optlen))
                 return -EFAULT;
+        if (put_user(num_chunks, &p->gauth_number_of_chunks))
+                return -EFAULT;
         if (copy_to_user(to, ch->chunks, len))
                 return -EFAULT;