#include <linux/can.h>
#include <linux/can/core.h>
#include <linux/can/bcm.h>
+#include <linux/slab.h>
#include <net/sock.h>
#include <net/net_namespace.h>
struct sock *sk = sock->sk;
struct bcm_sock *bo = bcm_sk(sk);
+ if (len < sizeof(*addr))
+ return -EINVAL;
+
if (bo->bound)
return -EISCONN;