diff options
Diffstat (limited to 'drivers/net/can/dev/skb.c')
| -rw-r--r-- | drivers/net/can/dev/skb.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/can/dev/skb.c b/drivers/net/can/dev/skb.c index 61660248c69e..e59d5cbb644a 100644 --- a/drivers/net/can/dev/skb.c +++ b/drivers/net/can/dev/skb.c @@ -42,7 +42,11 @@ int can_put_echo_skb(struct sk_buff *skb, struct net_device *dev, { struct can_priv *priv = netdev_priv(dev); - BUG_ON(idx >= priv->echo_skb_max); + if (idx >= priv->echo_skb_max) { + netdev_err(dev, "%s: BUG! Trying to access can_priv::echo_skb out of bounds (%u/max %u)\n", + __func__, idx, priv->echo_skb_max); + return -EINVAL; + } /* check flag whether this packet has to be looped back */ if (!(dev->flags & IFF_ECHO) || |