Patch "batman-adv: Fix broadcast/ogm queue limit on a removed interface" has been added to the 4.5-stable tree

Patch "batman-adv: Fix broadcast/ogm queue limit on a removed interface" has been added to the 4.5-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    batman-adv: Fix broadcast/ogm queue limit on a removed interface

to the 4.5-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     batman-adv-fix-broadcast-ogm-queue-limit-on-a-removed-interface.patch
and it can be found in the queue-4.5 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From c4fdb6cff2aa0ae740c5f19b6f745cbbe786d42f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Linus=20L=C3=BCssing?= <linus.luessing@c0d3.blue>
Date: Fri, 11 Mar 2016 14:04:49 +0100
Subject: batman-adv: Fix broadcast/ogm queue limit on a removed interface
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

From: Linus Lüssing <linus.luessing@c0d3.blue>

commit c4fdb6cff2aa0ae740c5f19b6f745cbbe786d42f upstream.

When removing a single interface while a broadcast or ogm packet is
still pending then we will free the forward packet without releasing the
queue slots again.

This patch is supposed to fix this issue.

Fixes: 6d5808d4ae1b ("batman-adv: Add missing hardif_free_ref in forw_packet_free")
Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue>
[sven@narfation.org: fix conflicts with current version]
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <a@unstable.cc>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 net/batman-adv/send.c |    6 ++++++
 1 file changed, 6 insertions(+)

--- a/net/batman-adv/send.c
+++ b/net/batman-adv/send.c
@@ -656,6 +656,12 @@ batadv_purge_outstanding_packets(struct
 
 		if (pending) {
 			hlist_del(&forw_packet->list);
+			if (!forw_packet->own)
+				atomic_inc(&bat_priv->bcast_queue_left);
+
+			if (!forw_packet->own)
+				atomic_inc(&bat_priv->batman_queue_left);
+
 			batadv_forw_packet_free(forw_packet);
 		}
 	}


Patches currently in stable-queue which might be from linus.luessing@c0d3.blue are

queue-4.5/batman-adv-fix-broadcast-ogm-queue-limit-on-a-removed-interface.patch