From: Jarek Poplawski <jarkao2@gmail.com>
Date: Tue, 4 Mar 2008 04:49:34 +0000 (-0800)
Subject: [PPPOL2TP]: Add missing sock_put() in pppol2tp_tunnel_closeall()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=ec9b6add7d81f902f6094e71f595da4a362f3348;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

[PPPOL2TP]: Add missing sock_put() in pppol2tp_tunnel_closeall()

Every skb removed from session->reorder_q needs sock_put().

Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Acked-by: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/pppol2tp.c b/drivers/net/pppol2tp.c
index dcd499118b95..86e5dba079fe 100644
--- a/drivers/net/pppol2tp.c
+++ b/drivers/net/pppol2tp.c
@@ -1111,6 +1111,8 @@ static void pppol2tp_tunnel_closeall(struct pppol2tp_tunnel *tunnel)
 	for (hash = 0; hash < PPPOL2TP_HASH_SIZE; hash++) {
 again:
 		hlist_for_each_safe(walk, tmp, &tunnel->session_hlist[hash]) {
+			struct sk_buff *skb;
+
 			session = hlist_entry(walk, struct pppol2tp_session, hlist);
 
 			sk = session->sock;
@@ -1139,7 +1141,10 @@ again:
 			/* Purge any queued data */
 			skb_queue_purge(&sk->sk_receive_queue);
 			skb_queue_purge(&sk->sk_write_queue);
-			skb_queue_purge(&session->reorder_q);
+			while ((skb = skb_dequeue(&session->reorder_q))) {
+				kfree_skb(skb);
+				sock_put(sk);
+			}
 
 			release_sock(sk);
 			sock_put(sk);