1 files changed, 3 insertions, 2 deletions

diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 06b42b7f5a02..92ba71dfe080 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -4133,9 +4133,10 @@ static int sctp_getsockopt_disable_fragments(struct sock *sk, int len,
 static int sctp_getsockopt_events(struct sock *sk, int len, char __user *optval,
                                   int __user *optlen)
 {
-        if (len < sizeof(struct sctp_event_subscribe))
+        if (len <= 0)
                 return -EINVAL;
-        len = sizeof(struct sctp_event_subscribe);
+        if (len > sizeof(struct sctp_event_subscribe))
+                len = sizeof(struct sctp_event_subscribe);
         if (put_user(len, optlen))
                 return -EFAULT;
         if (copy_to_user(optval, &sctp_sk(sk)->subscribe, len))