netdev - [PATCH net-next-2.6] macvtap: Return error when macvlan drops the packet

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Date:	Mon, 12 Jul 2010 01:47:54 -0700
From:	Shirley Ma <mashirle@...ibm.com>
To:	Arnd Bergmann <arnd@...db.de>, sri@...ibm.com
Cc:	netdev@...r.kernel.org, davem@...emloft.net
Subject: [PATCH net-next-2.6]  macvtap: Return error when macvlan drops the
 packet

Return err when macvlan dropps the packet.

Signed-off-by: Shirley Ma <xma@...ibm.com>
---
 drivers/net/macvtap.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index 2b4d59b..36d52b5 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -492,9 +492,11 @@ static ssize_t macvtap_get_user(struct
macvtap_queue *q,
 
 	rcu_read_lock_bh();
 	vlan = rcu_dereference(q->vlan);
-	if (vlan)
-		macvlan_start_xmit(skb, vlan->dev);
-	else
+	if (vlan) {
+		err = macvlan_start_xmit(skb, vlan->dev);
+		if (err)
+			count = err;
+	} else
 		kfree_skb(skb);
 	rcu_read_unlock_bh();
 


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