Sven Eckelmann
abe59c6522
batman-adv: Fix reference counting of hardif_neigh_node object for neigh_node ...
The batadv_neigh_node was specific to a batadv_hardif_neigh_node and held
an implicit reference to it. But this reference was never stored in form of
a pointer in the batadv_neigh_node itself. Instead
batadv_neigh_node_release depends on a consistent state of
hard_iface->neigh_list and that batadv_hardif_neigh_get always returns the
batadv_hardif_neigh_node object which it has a reference for. But
batadv_hardif_neigh_get cannot guarantee that because it is working only
with rcu_read_lock on this list. It can therefore happen that a neigh_addr
is in this list twice or that batadv_hardif_neigh_get cannot find the
batadv_hardif_neigh_node for an neigh_addr due to some other list
operations taking place at the same time.
Instead add a batadv_hardif_neigh_node pointer directly in
batadv_neigh_node which will be used for the reference counter decremented
on release of batadv_neigh_node.
Fixes: cef63419f7[email protected] >
Signed-off-by: Marek Lindner <[email protected] >
Signed-off-by: Antonio Quartulli <[email protected] >
2016-04-29 19:46:11 +08:00
batman-adv: OGMv2 - add basic infrastructure
2016-02-29 16:05:31 +08:00
batman-adv: keep track of when unicast packets are sent
2016-02-29 16:05:32 +08:00
batman-adv: B.A.T.M.A.N V - make sure iface is reactivated upon NETDEV_UP event
2016-04-29 19:46:11 +08:00
batman-adv: ELP - send unicast ELP packets for throughput sampling
2016-02-29 16:25:07 +08:00
batman-adv: ELP - compute the metric based on the estimated throughput
2016-02-29 16:25:06 +08:00
batman-adv: ELP - compute the metric based on the estimated throughput
2016-02-29 16:25:06 +08:00
batman-adv: OGMv2 - implement originators logic
2016-02-29 16:05:31 +08:00
batman-adv: update copyright years for 2016
2016-02-02 12:55:10 +08:00
batman-adv: update copyright years for 2016
2016-02-02 12:55:10 +08:00
batman-adv: Rename batadv_claim *_free_ref function to *_put
2016-02-23 13:48:27 +08:00
batman-adv: update copyright years for 2016
2016-02-02 12:55:10 +08:00
batman-adv: update copyright years for 2016
2016-02-02 12:55:10 +08:00
batman-adv: update copyright years for 2016
2016-02-02 12:55:10 +08:00
batman-adv: fix DAT candidate selection (must use vid)
2016-04-29 19:46:10 +08:00
batman-adv: update copyright years for 2016
2016-02-02 12:55:10 +08:00
batman-adv: keep track of when unicast packets are sent
2016-02-29 16:05:32 +08:00
batman-adv: update copyright years for 2016
2016-02-02 12:55:10 +08:00
batman-adv: Rename batadv_gw_node *_free_ref function to *_put
2016-02-23 13:49:06 +08:00
batman-adv: update copyright years for 2016
2016-02-02 12:55:10 +08:00
batman-adv: add throughput override attribute to hard_ifaces
2016-02-29 16:05:32 +08:00
batman-adv: add throughput override attribute to hard_ifaces
2016-02-29 16:05:32 +08:00
batman-adv: B.A.T.M.A.N V - make sure iface is reactivated upon NETDEV_UP event
2016-04-29 19:46:11 +08:00
batman-adv: Rename batadv_hardif *_free_ref function to *_put
2016-02-23 13:48:24 +08:00
batman-adv: update copyright years for 2016
2016-02-02 12:55:10 +08:00
batman-adv: update copyright years for 2016
2016-02-02 12:55:10 +08:00
batman-adv: keep track of when unicast packets are sent
2016-02-29 16:05:32 +08:00
batman-adv: update copyright years for 2016
2016-02-02 12:55:10 +08:00
batman-adv: clarify CFG80211 dependency
2016-03-02 13:45:47 -05:00
batman-adv: OGMv2 - add basic infrastructure
2016-02-29 16:05:31 +08:00
batman-adv: Start new development cycle
2016-02-29 16:25:08 +08:00
batman-adv: OGMv2 - add basic infrastructure
2016-02-29 16:05:31 +08:00
batman-adv: Convert batadv_orig_node to kref
2016-02-10 23:24:06 +08:00
batman-adv: update copyright years for 2016
2016-02-02 12:55:10 +08:00
batman-adv: keep track of when unicast packets are sent
2016-02-29 16:05:32 +08:00
batman-adv: update copyright years for 2016
2016-02-02 12:55:10 +08:00
batman-adv: Fix reference counting of hardif_neigh_node object for neigh_node
2016-04-29 19:46:11 +08:00
batman-adv: Rename batadv_orig_node_vlan *_free_ref function to *_put
2016-02-23 13:50:58 +08:00
batman-adv: OGMv2 - add basic infrastructure
2016-02-29 16:05:31 +08:00
batman-adv: Reduce refcnt of removed router when updating route
2016-04-24 15:41:25 +08:00
batman-adv: add seqno maximum age and protection start flag parameters
2016-02-10 23:23:57 +08:00
batman-adv: Fix broadcast/ogm queue limit on a removed interface
2016-04-24 15:41:56 +08:00
batman-adv: keep track of when unicast packets are sent
2016-02-29 16:05:32 +08:00
batman-adv: Check skb size before using encapsulated ETH+VLAN header
2016-04-24 15:37:21 +08:00
batman-adv: Rename batadv_softif_vlan *_free_ref function to *_put
2016-02-23 13:49:10 +08:00
batman-adv: add throughput override attribute to hard_ifaces
2016-02-29 16:05:32 +08:00
batman-adv: update copyright years for 2016
2016-02-02 12:55:10 +08:00
batman-adv: Fix reference counting of vlan object for tt_local_entry
2016-04-29 19:46:11 +08:00
batman-adv: update copyright years for 2016
2016-02-02 12:55:10 +08:00
batman-adv: Fix reference counting of hardif_neigh_node object for neigh_node
2016-04-29 19:46:11 +08:00
abe59c6522