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authorEric Anholt <eric@anholt.net>2010-08-01 19:23:53 -0700
committerEric Anholt <eric@anholt.net>2010-08-01 19:34:47 -0700
commit2bd34f6ca86b5a5f9b749624f73310820e7a93fd (patch)
tree9e42100423e78f400412dfa974a6a13bac94d2c0 /drivers/net/macvtap.c
parenta2757b6fab6dee3dbf43bdb7d7226d03747fbdb1 (diff)
parent9fe6206f400646a2322096b56c59891d530e8d51 (diff)
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Merge remote branch 'origin/master' into drm-intel-next
This resolves the conflict in the EDP code, which has been rather popular to hack on recently. Conflicts: drivers/gpu/drm/i915/intel_dp.c
Diffstat (limited to 'drivers/net/macvtap.c')
-rw-r--r--drivers/net/macvtap.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index a8a94e2..ff02b83 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,
};