linux-kernel - [PATCH 3.14 120/140] batman-adv: fix neigh

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Message-Id: <20140529043105.043564643@linuxfoundation.org>
Date:	Wed, 28 May 2014 21:34:19 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Antonio Quartulli <antonio@...n-mesh.com>,
	Simon Wunderlich <simon@...n-mesh.com>,
	Marek Lindner <mareklindner@...mailbox.ch>,
	Antonio Quartulli <antonio@...hcoding.com>
Subject: [PATCH 3.14 120/140] batman-adv: fix neigh_ifinfo imbalance

3.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Simon Wunderlich <simon@...n-mesh.com>

[ Upstream commit c1e517fbbcdb13f50662af4edc11c3251fe44f86 ]

The neigh_ifinfo object must be freed if it has been used in
batadv_iv_ogm_process_per_outif().

This is a regression introduced by
89652331c00f43574515059ecbf262d26d885717
("batman-adv: split tq information in neigh_node struct")

Reported-by: Antonio Quartulli <antonio@...n-mesh.com>
Signed-off-by: Simon Wunderlich <simon@...n-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@...mailbox.ch>
Signed-off-by: Antonio Quartulli <antonio@...hcoding.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 net/batman-adv/bat_iv_ogm.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/net/batman-adv/bat_iv_ogm.c
+++ b/net/batman-adv/bat_iv_ogm.c
@@ -1545,6 +1545,8 @@ out_neigh:
 	if ((orig_neigh_node) && (!is_single_hop_neigh))
 		batadv_orig_node_free_ref(orig_neigh_node);
 out:
+	if (router_ifinfo)
+		batadv_neigh_ifinfo_free_ref(router_ifinfo);
 	if (router)
 		batadv_neigh_node_free_ref(router);
 	if (router_router)


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