diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 0923213..758b2d2 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -1244,7 +1244,7 @@
    if (sock->state != SS_UNCONNECTED)
            return -EISCONN;
 
-   if ((dst->family != AF_TIPC) ||
+   if ((destlen < sizeof(*dst)) || (dst->family != AF_TIPC) ||
        ((dst->addrtype != TIPC_ADDR_NAME) && (dst->addrtype != TIPC_ADDR_ID)))
            return -EINVAL;