From: Linus Lüssing linus.luessing@c0d3.blue
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 --- net/batman-adv/send.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/net/batman-adv/send.c b/net/batman-adv/send.c index 3ce06e0a91b1..76417850d3fc 100644 --- a/net/batman-adv/send.c +++ b/net/batman-adv/send.c @@ -675,6 +675,9 @@ batadv_purge_outstanding_packets(struct batadv_priv *bat_priv,
if (pending) { hlist_del(&forw_packet->list); + if (!forw_packet->own) + atomic_inc(&bat_priv->bcast_queue_left); + batadv_forw_packet_free(forw_packet); } } @@ -702,6 +705,9 @@ batadv_purge_outstanding_packets(struct batadv_priv *bat_priv,
if (pending) { hlist_del(&forw_packet->list); + if (!forw_packet->own) + atomic_inc(&bat_priv->batman_queue_left); + batadv_forw_packet_free(forw_packet); } }