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18db594a10
linux/net/mac80211
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Johannes Berg 18db594a10 mac80211: fix scheduled scan rtnl deadlock 
When changing cfg80211 to use RTNL locking, this caused a
deadlock in mac80211 as it calls cfg80211_sched_scan_stopped()
from a work item that's on a workqueue that is flushed with
the RTNL held.

Fix this by simply using schedule_work(), the work only needs
to finish running before the wiphy is unregistered, no other
synchronisation (e.g. with suspend) is really required since
for suspend userspace is already blocked anyway when we flush
the workqueue so will only pick up the event after resume.

Cc: stable@vger.kernel.org
Fixes: 5fe231e873 ("cfg80211: vastly simplify locking")
Reported-and-tested-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-11-25 16:50:04 +01:00
..
aes_ccm.c mac80211: port CCMP to cryptoapi's CCM driver 2013-10-11 15:38:20 +02:00
aes_ccm.h mac80211: port CCMP to cryptoapi's CCM driver 2013-10-11 15:38:20 +02:00
aes_cmac.c mac80211: include export.h in aes_cmac 2012-11-07 18:01:54 +01:00
aes_cmac.h mac80211: fix CMAC races 2011-07-08 11:11:20 -04:00
agg-rx.c mac80211: improve aggregation debug messages 2013-01-18 21:55:15 +01:00
agg-tx.c mac80211: fix aggregation state with current drivers 2013-01-24 15:43:51 +01:00
cfg.c Revert "mac80211: allow disable power save in mesh" 2013-11-25 16:50:00 +01:00
cfg.h
chan.c mac80211: implement STA CSA for drivers using channel contexts 2013-10-02 18:18:23 +02:00
debug.h mac80211: process the CSA frame for mesh accordingly 2013-10-28 15:05:28 +01:00
debugfs_key.c mac80211: move sdata debugfs dir to vif 2013-03-18 20:10:04 +01:00
debugfs_key.h mac80211: support separate default keys 2010-12-13 15:23:29 -05:00
debugfs_netdev.c mac80211: implement SMPS for AP 2013-10-28 15:05:11 +01:00
debugfs_netdev.h
debugfs_sta.c mac80211: add debugfs for driver-buffered TID bitmap 2013-08-01 15:08:24 +02:00
debugfs_sta.h
debugfs.c mac80211: fix some snprintf misuses 2013-10-01 12:16:51 +02:00
debugfs.h mac80211: use __printf attribute in debugfs 2012-10-18 09:01:57 +02:00
driver-ops.h mac80211: add explicit IBSS driver operations 2013-10-01 12:17:45 +02:00
event.c
ht.c mac80211: implement SMPS for AP 2013-10-28 15:05:11 +01:00
ibss.c {nl,cfg,mac}80211: enable the triggering of CSA frame in mesh 2013-10-28 15:05:29 +01:00
ieee80211_i.h Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next 2013-11-05 15:49:02 -05:00
iface.c mac80211: implement SMPS for AP 2013-10-28 15:05:11 +01:00
Kconfig mac80211: process the CSA frame for mesh accordingly 2013-10-28 15:05:28 +01:00
key.c mac80211: use ERR_CAST() 2013-09-26 13:21:38 +02:00
key.h mac80211: port CCMP to cryptoapi's CCM driver 2013-10-11 15:38:20 +02:00
led.c mac80211: use oneshot blink API for LED triggers 2013-08-01 10:48:49 +02:00
led.h mac80211: use oneshot blink API for LED triggers 2013-08-01 10:48:49 +02:00
main.c mac80211: fix scheduled scan rtnl deadlock 2013-11-25 16:50:04 +01:00
Makefile mac80211: mesh power save basics 2013-02-04 18:57:47 +01:00
mesh_hwmp.c mac80211: parse VHT channel switch IEs 2013-04-16 15:29:45 +02:00
mesh_pathtbl.c mac80211: return new mpath from mesh_path_add() 2013-04-08 09:16:59 +02:00
mesh_plink.c mac80211: fixes for mesh powersave logic 2013-10-28 15:05:26 +01:00
mesh_ps.c mac80211: fixes for mesh powersave logic 2013-10-28 15:05:26 +01:00
mesh_sync.c mac80211: clean up mesh code 2013-02-15 15:46:37 +01:00
mesh.c mac80211: process mesh channel switching using beacon 2013-10-28 15:05:30 +01:00
mesh.h mac80211: update mesh beacon on workqueue 2013-06-18 15:57:27 +02:00
michael.c
michael.h
mlme.c Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next 2013-11-05 15:49:02 -05:00
offchannel.c mac80211: Run deferred scan if last roc_list item is not started 2013-09-30 12:36:56 +02:00
pm.c mac80211: fix monitor interface suspend crash regression 2013-07-23 14:02:08 +02:00
rate.c mac80211: respect rate mask in TX 2013-10-15 15:16:29 +02:00
rate.h net: misc: Remove extern from function prototypes 2013-10-19 19:12:11 -04:00
rc80211_minstrel_debugfs.c mac80211: cosmetics for minstrel_debugfs 2013-04-17 17:08:23 +02:00
rc80211_minstrel_ht_debugfs.c mac80211/minstrel_ht: add support for using CCK rates 2013-02-13 10:56:33 +01:00
rc80211_minstrel_ht.c mac80211: do not override fixed_rate_idx in minstrel_ht_update_stats 2013-09-26 13:27:12 +02:00
rc80211_minstrel_ht.h mac80211/minstrel_ht: use the new rate control API 2013-04-22 16:16:41 +02:00
rc80211_minstrel.c mac80211: add fixed_rate management to minstrel rc 2013-09-26 13:27:12 +02:00
rc80211_minstrel.h mac80211/minstrel: use the new rate control API 2013-04-22 16:16:41 +02:00
rc80211_pid_algo.c mac80211/rc80211: add chandef to rate initialization 2013-07-16 09:58:02 +03:00
rc80211_pid_debugfs.c mac80211: fix some snprintf misuses 2013-10-01 12:16:51 +02:00
rc80211_pid.h Fix common misspellings 2011-03-31 11:26:23 -03:00
rx.c Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next 2013-11-05 15:49:02 -05:00
scan.c mac80211: fix scheduled scan rtnl deadlock 2013-11-25 16:50:04 +01:00
spectmgmt.c mac80211: process mesh channel switching using beacon 2013-10-28 15:05:30 +01:00
sta_info.c mac80211: implement SMPS for AP 2013-10-28 15:05:11 +01:00
sta_info.h mac80211: implement SMPS for AP 2013-10-28 15:05:11 +01:00
status.c Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next 2013-11-05 15:49:02 -05:00
tkip.c mac80211: use just spin_lock() in ieee80211_get_tkip_p2k() 2013-05-16 22:38:06 +02:00
tkip.h mac80211: fix TKIP races, make API easier to use 2011-07-08 11:11:19 -04:00
trace.c mac80211: trace debug messages 2012-06-24 11:33:18 +02:00
trace.h Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem 2013-10-17 14:02:07 -04:00
tx.c Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next 2013-11-05 15:49:02 -05:00
util.c mac80211: DFS setup chandef for radar_event correctly 2013-11-25 16:50:03 +01:00
vht.c ieee80211: fix vht cap definitions 2013-10-01 12:17:08 +02:00
wep.c wireless: move crypto constants to ieee80211.h 2013-05-16 22:39:41 +02:00
wep.h mac80211: move RX WEP weak IV counting 2012-03-13 14:54:16 -04:00
wme.c mac80211: mesh power save basics 2013-02-04 18:57:47 +01:00
wme.h mac80211: save wmm_acm per sdata 2012-06-20 17:35:22 +02:00
wpa.c mac80211: port CCMP to cryptoapi's CCM driver 2013-10-11 15:38:20 +02:00
wpa.h mac80211: fix tx->skb NULL pointer dereference 2012-01-16 15:01:16 -05:00