diff options
Diffstat (limited to 'net/can/bcm.c')
| -rw-r--r-- | net/can/bcm.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/net/can/bcm.c b/net/can/bcm.c index 871a0ad51025..8a6a05e7c3c8 100644 --- a/net/can/bcm.c +++ b/net/can/bcm.c @@ -387,7 +387,7 @@ static void bcm_tx_timeout_tsklet(unsigned long data) } /* - * 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) { @@ -1427,9 +1427,14 @@ static int bcm_init(struct sock *sk) 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); |