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44271488b9
linux/net/mac80211
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Johannes Berg 44271488b9 mac80211: delete AddBA response timer 
We never delete the addBA response timer, which
is typically fine, but if the station it belongs
to is deleted very quickly after starting the BA
session, before the peer had a chance to reply,
the timer may fire after the station struct has
been freed already. Therefore, we need to delete
the timer in a suitable spot -- best when the
session is being stopped (which will happen even
then) in which case the delete will be a no-op
most of the time.

I've reproduced the scenario and tested the fix.

This fixes the crash reported at
http://mid.gmane.org/4CAB6F96.6090701@candelatech.com

Cc: stable@kernel.org
Reported-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-10-06 15:58:29 -04:00
..
aes_ccm.c
aes_ccm.h
aes_cmac.c mac80211: 802.11w - Add BIP (AES-128-CMAC) 2009-01-29 16:00:02 -05:00
aes_cmac.h mac80211: 802.11w - Add BIP (AES-128-CMAC) 2009-01-29 16:00:02 -05:00
agg-rx.c mac80211: update aggregation documentation 2010-06-14 15:39:28 -04:00
agg-tx.c mac80211: delete AddBA response timer 2010-10-06 15:58:29 -04:00
cfg.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem 2010-07-29 14:47:07 -04:00
cfg.h
chan.c mac80211: make a function static 2010-05-28 13:41:27 -04:00
debugfs_key.c mac80211: Use a separate CCMP PN receive counter for management frames 2010-06-15 16:00:49 -04:00
debugfs_key.h mac80211: 802.11w - Use BIP (AES-128-CMAC) 2009-01-29 16:00:03 -05:00
debugfs_netdev.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem 2010-04-15 16:21:34 -04:00
debugfs_netdev.h mac80211: reduce reliance on netdev 2009-12-21 18:38:52 -05:00
debugfs_sta.c mac80211: make TX aggregation start/stop request async 2010-06-14 15:39:27 -04:00
debugfs_sta.h
debugfs.c mac80211: reduce debugfs code size 2010-06-03 14:14:41 -04:00
debugfs.h net: Remove unnecessary returns from void function()s 2010-05-17 23:23:14 -07:00
driver-ops.h mac80211: add basic tracing to drv_get_survey 2010-06-29 14:51:23 -04:00
driver-trace.c mac80211: fix sparse warnings/errors 2009-08-04 16:43:25 -04:00
driver-trace.h mac80211: add basic tracing to drv_get_survey 2010-06-29 14:51:23 -04:00
event.c cfg80211: use proper allocation flags 2009-07-10 15:01:49 -04:00
ht.c mac80211: skip HT parsing if HW does not support HT 2010-07-16 14:03:42 -04:00
ibss.c mac80211: proper IBSS locking 2010-07-21 15:13:42 -04:00
ieee80211_i.h mac80211: allow drivers to request DTIM period 2010-07-29 12:55:00 -04:00
iface.c mac80211: set carrier on for monitor interfaces on ieee80211_open 2010-07-20 16:02:58 -04:00
Kconfig mac82011: Allow selection of minstrel_ht as default rc algorithm 2010-06-30 15:00:53 -04:00
key.c mac80211: Fix key freeing to handle unlinked keys 2010-07-27 14:59:58 -04:00
key.h mac80211: Fix key freeing to handle unlinked keys 2010-07-27 14:59:58 -04:00
led.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
led.h
main.c mac80211: delete work timer 2010-08-30 16:02:34 -04:00
Makefile mac80211: add the minstrel_ht rate control algorithm 2010-06-02 16:12:59 -04:00
mesh_hwmp.c mac80211: use common work struct 2010-06-14 15:38:17 -04:00
mesh_pathtbl.c mac80211: use common work struct 2010-06-14 15:38:17 -04:00
mesh_plink.c mac80211: avoid scheduling while atomic in mesh_rx_plink_frame 2010-06-24 15:42:30 -04:00
mesh.c mac80211: pull mgmt frame rx into rx handler 2010-06-14 15:39:26 -04:00
mesh.h mac80211: pull mgmt frame rx into rx handler 2010-06-14 15:39:26 -04:00
michael.c
michael.h
mlme.c mac80211: allow drivers to request DTIM period 2010-07-29 12:55:00 -04:00
offchannel.c mac80211: Fixed netif_tx_wake_all_queues in IBSS mode 2010-01-15 16:58:28 -05:00
pm.c mac80211: use common work struct 2010-06-14 15:38:17 -04:00
rate.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
rate.h mac80211: add the minstrel_ht rate control algorithm 2010-06-02 16:12:59 -04:00
rc80211_minstrel_debugfs.c Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2010-04-11 14:53:53 -07:00
rc80211_minstrel_ht_debugfs.c minstrel_ht: move minstrel_mcs_groups declaration to header file 2010-06-24 15:42:18 -04:00
rc80211_minstrel_ht.c mac80211: freeing the wrong variable 2010-07-26 15:32:41 -04:00
rc80211_minstrel_ht.h minstrel_ht: move minstrel_mcs_groups declaration to header file 2010-06-24 15:42:18 -04:00
rc80211_minstrel.c minstrel: don't complain about feedback for unrequested rates 2010-07-26 15:09:04 -04:00
rc80211_minstrel.h minstrel: make the rate control ops reusable from another rc implementation 2010-03-10 17:44:23 -05:00
rc80211_pid_algo.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
rc80211_pid_debugfs.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
rc80211_pid.h
rx.c mac80211: fix use-after-free 2010-09-24 15:21:55 -04:00
scan.c mac80211: fix scan locking wrt. hw scan 2010-08-04 15:27:36 -04:00
spectmgmt.c mac80211: reduce reliance on netdev 2009-12-21 18:38:52 -05:00
sta_info.c mac80211: Fix key freeing to handle unlinked keys 2010-07-27 14:59:58 -04:00
sta_info.h mac80211: fix the for_each_sta_info macro 2010-06-28 15:16:20 -04:00
status.c mac80211: use netif_receive_skb in ieee80211_tx_status callpath 2010-06-28 15:14:51 -04:00
tkip.c mac80211: remove wep dependency 2010-07-08 16:35:50 -04:00
tkip.h mac80211: remove wep dependency 2010-07-08 16:35:50 -04:00
tx.c mac80211: Put some code under MESH macro 2010-07-28 16:24:01 -04:00
util.c mac80211: Don't set per-BSS QoS for monitor interfaces 2010-07-26 15:32:42 -04:00
wep.c mac80211: improve error checking if WEP fails to init 2010-07-16 14:03:42 -04:00
wep.h mac80211: remove wep dependency 2010-07-08 16:35:50 -04:00
wme.c mac80211: fix-up build breakage in 2.6.33 2010-01-06 15:35:49 -05:00
wme.h mac80211: fix skb buffering issue 2010-01-05 16:21:40 -05:00
work.c mac80211: allow drivers to request DTIM period 2010-07-29 12:55:00 -04:00
wpa.c mac80211: remove wep dependency 2010-07-08 16:35:50 -04:00
wpa.h mac80211: 802.11w - Add BIP (AES-128-CMAC) 2009-01-29 16:00:02 -05:00