From: Patrick McHardy <kaber@trash.net>
Date: Wed, 18 Jul 2007 09:04:39 +0000 (-0700)
Subject: [PPPOL2TP]: Reset meta-data in xmit function
X-Git-Tag: firefly_0821_release~27692^2~8
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=f77ae9390438409b535f3b1854672e54120cd38b;p=firefly-linux-kernel-4.4.55.git

[PPPOL2TP]: Reset meta-data in xmit function

Reset netfilter data and IP CB, fix dst_entry leak.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/pppol2tp.c b/drivers/net/pppol2tp.c
index 856610f0624e..f87176055d0e 100644
--- a/drivers/net/pppol2tp.c
+++ b/drivers/net/pppol2tp.c
@@ -1049,7 +1049,13 @@ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb)
 		printk("\n");
 	}
 
+	memset(&(IPCB(skb2)->opt), 0, sizeof(IPCB(skb2)->opt));
+	IPCB(skb2)->flags &= ~(IPSKB_XFRM_TUNNEL_SIZE | IPSKB_XFRM_TRANSFORMED |
+			       IPSKB_REROUTED);
+	nf_reset(skb2);
+
 	/* Get routing info from the tunnel socket */
+	dst_release(skb2->dst);
 	skb2->dst = sk_dst_get(sk_tun);
 
 	/* Queue the packet to IP for output */