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ifb: should not use __dev_get_by_index() without locks 

At this point (ri_tasklet()), RTNL or dev_base_lock are not held,
we must use dev_get_by_index() instead of __dev_get_by_index()

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2009-10-20 02:35:50 +00:00 committed by David S. Miller
parent bc36b42851
commit db51914424
1 changed files with 2 additions and 1 deletions
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3
drivers/net/ifb.c
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@ -98,12 +98,13 @@ 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);
skb->dev = dev_get_by_index(&init_net, skb->iif);
if (!skb->dev) {
dev_kfree_skb(skb);
stats->tx_dropped++;
break;
}
dev_put(skb->dev);
skb->iif = _dev->ifindex;
if (from & AT_EGRESS) {