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| author | Eric Dumazet <eric.dumazet@gmail.com> | 2009-10-20 02:35:50 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-10-22 21:54:19 -0700 |
| commit | db519144243de6b17ff0c56c26f06059743110a7 (patch) | |
| tree | f758c88e703bf2064454c45c439bb0428fb57db3 | |
| parent | bc36b4285136bcc8dd43e91ffe34df6a52a0cfaf (diff) | |
| download | kernel-crypto-db519144243de6b17ff0c56c26f06059743110a7.tar.gz kernel-crypto-db519144243de6b17ff0c56c26f06059743110a7.tar.xz kernel-crypto-db519144243de6b17ff0c56c26f06059743110a7.zip | |
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>
| -rw-r--r-- | drivers/net/ifb.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ifb.c b/drivers/net/ifb.c index 801f088c134..030913f8bd2 100644 --- a/drivers/net/ifb.c +++ b/drivers/net/ifb.c @@ -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) { |