}
/*
- * bcm_tx_timeout_handler - performes cyclic CAN frame transmissions
+ * bcm_tx_timeout_handler - performs cyclic CAN frame transmissions
*/
static enum hrtimer_restart bcm_tx_timeout_handler(struct hrtimer *hrtimer)
{
static int bcm_release(struct socket *sock)
{
struct sock *sk = sock->sk;
- struct bcm_sock *bo = bcm_sk(sk);
+ struct bcm_sock *bo;
struct bcm_op *op, *next;
+ if (sk == NULL)
+ return 0;
+
+ bo = bcm_sk(sk);
+
/* remove bcm_ops, timer, rx_unregister(), etc. */
unregister_netdevice_notifier(&bo->notifier);