linux-kernel - [PATCH 3.14 122/140] batman-adv: always run purge_orig

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Message-Id: <20140529043105.169706456@linuxfoundation.org>
Date:	Wed, 28 May 2014 21:34:21 -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, Simon Wunderlich <simon@...n-mesh.com>,
	Marek Lindner <mareklindner@...mailbox.ch>,
	Antonio Quartulli <antonio@...hcoding.com>
Subject: [PATCH 3.14 122/140] batman-adv: always run purge_orig_neighbors

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

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

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

[ Upstream commit 7b955a9fc164487d7c51acb9787f6d1b01b35ef6 ]

The current code will not execute batadv_purge_orig_neighbors() when an
orig_ifinfo has already been purged. However we need to run it in any
case. Fix that.

This is a regression introduced by
7351a4822d42827ba0110677c0cbad88a3d52585
("batman-adv: split out router from orig_node")

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/originator.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

--- a/net/batman-adv/originator.c
+++ b/net/batman-adv/originator.c
@@ -857,7 +857,7 @@ static bool batadv_purge_orig_node(struc
 {
 	struct batadv_neigh_node *best_neigh_node;
 	struct batadv_hard_iface *hard_iface;
-	bool changed;
+	bool changed_ifinfo, changed_neigh;
 
 	if (batadv_has_timed_out(orig_node->last_seen,
 				 2 * BATADV_PURGE_TIMEOUT)) {
@@ -867,10 +867,10 @@ static bool batadv_purge_orig_node(struc
 			   jiffies_to_msecs(orig_node->last_seen));
 		return true;
 	}
-	changed = batadv_purge_orig_ifinfo(bat_priv, orig_node);
-	changed = changed || batadv_purge_orig_neighbors(bat_priv, orig_node);
+	changed_ifinfo = batadv_purge_orig_ifinfo(bat_priv, orig_node);
+	changed_neigh = batadv_purge_orig_neighbors(bat_priv, orig_node);
 
-	if (!changed)
+	if (!changed_ifinfo && !changed_neigh)
 		return false;
 
 	/* first for NULL ... */


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