[PATCH 4.4 039/342] pppoe: fix reference counting in PPPoE proxy
From: Greg Kroah-Hartman
Date: Tue Mar 01 2016 - 20:23:21 EST
4.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Guillaume Nault <g.nault@xxxxxxxxxxxx>
[ Upstream commit 29e73269aa4d36f92b35610c25f8b01c789b0dc8 ]
Drop reference on the relay_po socket when __pppoe_xmit() succeeds.
This is already handled correctly in the error path.
Signed-off-by: Guillaume Nault <g.nault@xxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/ppp/pppoe.c | 2 ++
1 file changed, 2 insertions(+)
--- a/drivers/net/ppp/pppoe.c
+++ b/drivers/net/ppp/pppoe.c
@@ -395,6 +395,8 @@ static int pppoe_rcv_core(struct sock *s
if (!__pppoe_xmit(sk_pppox(relay_po), skb))
goto abort_put;
+
+ sock_put(sk_pppox(relay_po));
} else {
if (sock_queue_rcv_skb(sk, skb))
goto abort_kfree;