diff options
Diffstat (limited to 'drivers/net/can/dev.c')
| -rw-r--r-- | drivers/net/can/dev.c | 3 | 
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c index 611d16a7061d..ae4ed03dc642 100644 --- a/drivers/net/can/dev.c +++ b/drivers/net/can/dev.c @@ -391,6 +391,9 @@ void can_change_state(struct net_device *dev, struct can_frame *cf,  	can_update_state_error_stats(dev, new_state);  	priv->state = new_state; +	if (!cf) +		return; +  	if (unlikely(new_state == CAN_STATE_BUS_OFF)) {  		cf->can_id |= CAN_ERR_BUSOFF;  		return;  |