diff --git a/drivers/net/ifb.c b/drivers/net/ifb.c index 030913f8bd26ef40876170abad2fb93e7215e16e..69c25668dd63d1baad3bc0a6ee56525c42ff7602 100644 --- a/drivers/net/ifb.c +++ b/drivers/net/ifb.c @@ -98,13 +98,15 @@ static void ri_tasklet(unsigned long dev) stats->tx_packets++; stats->tx_bytes +=skb->len; - skb->dev = dev_get_by_index(&init_net, skb->iif); + rcu_read_lock(); + skb->dev = dev_get_by_index_rcu(&init_net, skb->iif); if (!skb->dev) { + rcu_read_unlock(); dev_kfree_skb(skb); stats->tx_dropped++; break; } - dev_put(skb->dev); + rcu_read_unlock(); skb->iif = _dev->ifindex; if (from & AT_EGRESS) {