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-rw-r--r--net/sctp/socket.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 4bc558c19fc..bbd3cd238d7 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -5286,7 +5286,8 @@ static int sctp_getsockopt_maxburst(struct sock *sk, int len,
printk(KERN_WARNING
"SCTP: Use struct sctp_assoc_value instead\n");
params.assoc_id = 0;
- } else if (len == sizeof (struct sctp_assoc_value)) {
+ } else if (len >= sizeof(struct sctp_assoc_value)) {
+ len = sizeof(struct sctp_assoc_value);
if (copy_from_user(&params, optval, len))
return -EFAULT;
} else