Subject: [PATCH] appletalk: Fix skb leak when ipddp interface is not loaded
And also do a better job of returning proper NET_{RX,XMIT}_ values.
Based on a patch and suggestions by Mark Smith.
This fixes CVE-2009-2903
Reported-by: Mark Smith <lk-netdev@lk-netdev.nosense.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/appletalk/ipddp.c b/drivers/net/appletalk/ipddp.c
index bea87da..aaf14d3 100644
--- a/drivers/net/appletalk/ipddp.c
+++ b/drivers/net/appletalk/ipddp.c
@@ -177,8 +177,7 @@
dev->stats.tx_packets++;
dev->stats.tx_bytes += skb->len;
- if(aarp_send_ddp(rt->dev, skb, &rt->at, NULL) < 0)
- dev_kfree_skb(skb);
+ aarp_send_ddp(rt->dev, skb, &rt->at, NULL);
spin_unlock(&ipddp_route_lock);