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| author | David S. Miller <davem@davemloft.net> | 2010-07-28 06:01:35 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-07-28 06:01:35 +0200 |
| commit | bb7e95c8fd859922c6cf3ebbb3a8546007df1748 (patch) | |
| tree | 58b54c6306ba168b76f25cc6dc9a2d1d2eb830a7 /drivers/net/macvtap.c | |
| parent | ixgbe: potential null dereference (diff) | |
| parent | s2io: fixing DBG_PRINT() macro (diff) | |
| download | linux-bb7e95c8fd859922c6cf3ebbb3a8546007df1748.tar.xz linux-bb7e95c8fd859922c6cf3ebbb3a8546007df1748.zip | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/bnx2x_main.c
Merge bnx2x bug fixes in by hand... :-/
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/macvtap.c')
| -rw-r--r-- | drivers/net/macvtap.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c index 2b4d59b58b2c..3b1c54a9c6ef 100644 --- a/drivers/net/macvtap.c +++ b/drivers/net/macvtap.c @@ -180,11 +180,18 @@ static int macvtap_forward(struct net_device *dev, struct sk_buff *skb) { struct macvtap_queue *q = macvtap_get_queue(dev, skb); if (!q) - return -ENOLINK; + goto drop; + + if (skb_queue_len(&q->sk.sk_receive_queue) >= dev->tx_queue_len) + goto drop; skb_queue_tail(&q->sk.sk_receive_queue, skb); wake_up_interruptible_poll(sk_sleep(&q->sk), POLLIN | POLLRDNORM | POLLRDBAND); - return 0; + return NET_RX_SUCCESS; + +drop: + kfree_skb(skb); + return NET_RX_DROP; } /* @@ -235,8 +242,15 @@ static void macvtap_dellink(struct net_device *dev, macvlan_dellink(dev, head); } +static void macvtap_setup(struct net_device *dev) +{ + macvlan_common_setup(dev); + dev->tx_queue_len = TUN_READQ_SIZE; +} + static struct rtnl_link_ops macvtap_link_ops __read_mostly = { .kind = "macvtap", + .setup = macvtap_setup, .newlink = macvtap_newlink, .dellink = macvtap_dellink, }; |