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209045adc2
linux/net/batman-adv
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Sven Eckelmann 42eff6a617 batman-adv: Drop immediate orig_node free function 
It is not allowed to free the memory of an object which is part of a list
which is protected by rcu-read-side-critical sections without making sure
that no other context is accessing the object anymore. This usually happens
by removing the references to this object and then waiting until the rcu
grace period is over and no one (allowedly) accesses it anymore.

But the _now functions ignore this completely. They free the object
directly even when a different context still tries to access it. This has
to be avoided and thus these functions must be removed and all functions
have to use batadv_orig_node_free_ref.

Fixes: 72822225bd ("batman-adv: Fix rcu_barrier() miss due to double call_rcu() in TT code")
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <a@unstable.cc>
2016-01-16 22:50:00 +08:00
..
bat_algo.h batman-adv: update copyright years for 2015 2015-05-29 10:13:35 +02:00
bat_iv_ogm.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-01-11 23:55:43 -05:00
bitarray.c batman-adv: Replace C99 int types with kernel type 2015-08-25 00:12:17 +02:00
bitarray.h batman-adv: Replace C99 int types with kernel type 2015-08-25 00:12:17 +02:00
bridge_loop_avoidance.c batman-adv: Avoid recursive call_rcu for batadv_bla_claim 2016-01-16 22:48:29 +08:00
bridge_loop_avoidance.h batman-adv: purge bridge loop avoidance when its disabled 2016-01-09 20:56:00 +08:00
debugfs.c batman-adv: export single hop neighbor list via debugfs 2015-12-16 00:21:42 +08:00
debugfs.h batman-adv: Remove batadv_ types forward declarations 2015-08-25 00:12:20 +02:00
distributed-arp-table.c batman-adv: Fix invalid stack access in batadv_dat_select_candidates 2015-12-07 22:40:21 +08:00
distributed-arp-table.h batman-adv: Replace C99 int types with kernel type 2015-08-25 00:12:17 +02:00
fragmentation.c batman-adv: Use chain pointer when purging fragments 2015-12-16 15:17:09 +08:00
fragmentation.h batman-adv: Add required includes to all files 2015-06-07 17:07:19 +02:00
gateway_client.c batman-adv: fix gateway client style issues 2015-08-27 20:15:32 +02:00
gateway_client.h batman-adv: remove obsolete deleted attribute for gateway node 2015-08-27 20:15:32 +02:00
gateway_common.c batman-adv: Add function to convert string to batadv throughput 2016-01-09 20:56:00 +08:00
gateway_common.h batman-adv: Remove batadv_ types forward declarations 2015-08-25 00:12:20 +02:00
hard-interface.c batman-adv: add list of unique single hop neighbors per hard-interface 2015-12-16 00:21:41 +08:00
hard-interface.h batman-adv: Drop immediate batadv_hard_iface free function 2016-01-16 22:49:51 +08:00
hash.c batman-adv: Replace C99 int types with kernel type 2015-08-25 00:12:17 +02:00
hash.h batman-adv: Replace C99 int types with kernel type 2015-08-25 00:12:17 +02:00
icmp_socket.c batman-adv: Fix kerneldoc over 80 column lines 2015-08-25 00:12:18 +02:00
icmp_socket.h batman-adv: Remove batadv_ types forward declarations 2015-08-25 00:12:20 +02:00
Kconfig batman-adv: Kconfig, Add missing DEBUG_FS dependency 2015-01-07 22:17:11 +01:00
main.c batman-adv: Less checks in batadv_tvlv_unicast_send() 2016-01-09 20:56:00 +08:00
main.h batman-adv: increase BLA wait periods to 6 2016-01-09 20:56:00 +08:00
Makefile batman-adv: Makefile, Sort alphabetically 2015-05-29 10:13:36 +02:00
multicast.c batman-adv: fix lockdep splat when doing mcast_free 2016-01-13 19:26:25 +08:00
multicast.h batman-adv: Remove batadv_ types forward declarations 2015-08-25 00:12:20 +02:00
network-coding.c batman-adv: Avoid recursive call_rcu for batadv_nc_node 2016-01-16 22:48:41 +08:00
network-coding.h batman-adv: Remove batadv_ types forward declarations 2015-08-25 00:12:20 +02:00
originator.c batman-adv: Drop immediate orig_node free function 2016-01-16 22:50:00 +08:00
originator.h batman-adv: Drop immediate orig_node free function 2016-01-16 22:50:00 +08:00
packet.h batman-adv: remove leftovers of unused BATADV_PRIMARIES_FIRST_HOP flag 2016-01-09 20:56:00 +08:00
routing.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-12-17 22:08:28 -05:00
routing.h batman-adv: Remove batadv_ types forward declarations 2015-08-25 00:12:20 +02:00
send.c batman-adv: Delete unnecessary checks before the function call "kfree_skb" 2016-01-09 20:56:00 +08:00
send.h batman-adv: Remove batadv_ types forward declarations 2015-08-25 00:12:20 +02:00
soft-interface.c batman-adv: Add lower layer needed_(head|tail)room to own ones 2015-08-27 20:15:34 +02:00
soft-interface.h batman-adv: Remove batadv_ types forward declarations 2015-08-25 00:12:20 +02:00
sysfs.c batman-adv: only call post function if something changed 2016-01-09 20:56:00 +08:00
sysfs.h batman-adv: Remove batadv_ types forward declarations 2015-08-25 00:12:20 +02:00
translation-table.c batman-adv: Drop immediate orig_node free function 2016-01-16 22:50:00 +08:00
translation-table.h batman-adv: Remove batadv_ types forward declarations 2015-08-25 00:12:20 +02:00
types.h batman-adv: Add kerneldoc for batadv_neigh_node::refcount 2016-01-09 20:56:00 +08:00