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authorStefan Richter <stefanr@s5r6.in-berlin.de>2007-07-28 23:45:03 +0200
committerStefan Richter <stefanr@s5r6.in-berlin.de>2007-10-16 23:59:54 +0200
commit661afcae1b6b6493e4ea69f81bae78397c066f25 (patch)
treed1fed9b9a02510fa1534112180f56d953e3c7f2c /drivers/ieee1394
parent3bd90303f05d24487759e4990c3fed3e7a6b6955 (diff)
downloadlinux-661afcae1b6b6493e4ea69f81bae78397c066f25.tar.gz
ieee1394: eth1394: fix lock imbalance
bad_proto can be reached from points which did not take priv->lock.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Diffstat (limited to 'drivers/ieee1394')
-rw-r--r--drivers/ieee1394/eth1394.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/ieee1394/eth1394.c b/drivers/ieee1394/eth1394.c
index 7aa0bf3e1028..b166b3575fa6 100644
--- a/drivers/ieee1394/eth1394.c
+++ b/drivers/ieee1394/eth1394.c
@@ -1220,23 +1220,19 @@ static int ether1394_data_handler(struct net_device *dev, int srcid, int destid,
 		priv->stats.rx_errors++;
 		priv->stats.rx_dropped++;
 		dev_kfree_skb_any(skb);
-		goto bad_proto;
-	}
-
-	if (netif_rx(skb) == NET_RX_DROP) {
+	} else if (netif_rx(skb) == NET_RX_DROP) {
 		priv->stats.rx_errors++;
 		priv->stats.rx_dropped++;
-		goto bad_proto;
+	} else {
+		priv->stats.rx_packets++;
+		priv->stats.rx_bytes += skb->len;
 	}
 
-	/* Statistics */
-	priv->stats.rx_packets++;
-	priv->stats.rx_bytes += skb->len;
+	spin_unlock_irqrestore(&priv->lock, flags);
 
 bad_proto:
 	if (netif_queue_stopped(dev))
 		netif_wake_queue(dev);
-	spin_unlock_irqrestore(&priv->lock, flags);
 
 	dev->last_rx = jiffies;