From 3790c8cdb99f23824b23cb16df608281b335ee91 Mon Sep 17 00:00:00 2001
From: Patrick McHardy <kaber@trash.net>
Date: Fri, 12 Jun 2009 03:00:35 +0000
Subject: net: fix network driver ndo_start_xmit() return values (part 1)

Fix up drivers that return an errno value to qdisc_restart(), causing
qdisc_restart() to print a warning and requeue/retransmit the skb.

- xpnet: memory allocation error, intention is to drop
- ethoc: oversized packet, packet must be dropped
- ibmlana: skb freed: use after free
- rrunner: skb freed: use after free

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/misc/sgi-xp/xpnet.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'drivers/misc')

diff --git a/drivers/misc/sgi-xp/xpnet.c b/drivers/misc/sgi-xp/xpnet.c
index 6faefcffcb53..8d1c60a3f0df 100644
--- a/drivers/misc/sgi-xp/xpnet.c
+++ b/drivers/misc/sgi-xp/xpnet.c
@@ -450,7 +450,8 @@ xpnet_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 			 "packet\n", sizeof(struct xpnet_pending_msg));
 
 		dev->stats.tx_errors++;
-		return -ENOMEM;
+		dev_kfree_skb(skb);
+		return NETDEV_TX_OK;
 	}
 
 	/* get the beginning of the first cacheline and end of last */
-- 
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