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Tom Hughes b07016348b mac80211: clear subdir_stations when removing debugfs 
commit 4479004e64 upstream.

If we don't do this, and we then fail to recreate the debugfs
directory during a mode change, then we will fail later trying
to add stations to this now bogus directory:

BUG: unable to handle kernel NULL pointer dereference at 0000006c
IP: [<c0a92202>] mutex_lock+0x12/0x30
Call Trace:
[<c0678ab4>] start_creating+0x44/0xc0
[<c0679203>] debugfs_create_dir+0x13/0xf0
[<f8a938ae>] ieee80211_sta_debugfs_add+0x6e/0x490 [mac80211]

Signed-off-by: Tom Hughes <tom@compton.nu>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-08-10 12:20:30 -07:00
..
aes_ccm.c
aes_ccm.h
aes_cmac.c mac80211: include export.h in aes_cmac 2012-11-07 18:01:54 +01:00
aes_cmac.h
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 mac80211: release the channel in error path in start_ap 2014-02-22 12:41:26 -08:00
cfg.h
chan.c Merge remote-tracking branch 'wireless-next/master' into mac80211-next 2013-04-22 15:31:43 +02:00
debug.h mac80211: mesh power save basics 2013-02-04 18:57:47 +01:00
debugfs.c mac80211: remove IEEE80211_HW_SCAN_WHILE_IDLE 2013-02-11 18:45:01 +01:00
debugfs.h mac80211: use __printf attribute in debugfs 2012-10-18 09:01:57 +02:00
debugfs_key.c mac80211: move sdata debugfs dir to vif 2013-03-18 20:10:04 +01:00
debugfs_key.h
debugfs_netdev.c mac80211: clear subdir_stations when removing debugfs 2015-08-10 12:20:30 -07:00
debugfs_netdev.h
debugfs_sta.c mac80211: add beacon stats to debugfs 2013-04-08 09:16:54 +02:00
debugfs_sta.h
driver-ops.h mac80211: pass queue bitmap to flush operation 2013-03-18 20:15:03 +01:00
event.c
ht.c mac80211: fix HT capability overrides for AP station 2013-03-06 16:36:02 +01:00
ibss.c mac80211: add missing channel context release 2013-09-07 22:09:59 -07:00
ieee80211_i.h mac80211: disable u-APSD queues by default 2015-04-13 14:02:11 +02:00
iface.c net: force a list_del() in unregister_netdevice_many() 2014-06-26 15:12:38 -04:00
Kconfig Driver core patches for 3.9-rc1 2013-02-21 12:05:51 -08:00
key.c mac80211: free management frame keys when removing station 2015-01-08 09:58:16 -08:00
key.h mac80211: batch key free synchronize_net() 2013-03-11 15:16:42 +02:00
led.c leds: Rename led_brightness_set() to led_set_brightness() 2012-07-24 07:52:34 +08:00
led.h
main.c mac80211: prevent possible crypto tx tailroom corruption 2015-08-03 09:29:46 -07:00
Makefile mac80211: mesh power save basics 2013-02-04 18:57:47 +01:00
mesh.c Merge remote-tracking branch 'wireless-next/master' into mac80211-next 2013-04-22 15:31:43 +02:00
mesh.h mac80211: return new mpath from mesh_path_add() 2013-04-08 09:16:59 +02:00
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: parse VHT channel switch IEs 2013-04-16 15:29:45 +02:00
mesh_ps.c mac80211: clear sequence/fragment number in QoS-null frames 2014-03-23 21:38:12 -07:00
mesh_sync.c mac80211: clean up mesh code 2013-02-15 15:46:37 +01:00
michael.c
michael.h
mlme.c Revert "mac80211: disable uAPSD if all ACs are under ACM" 2014-10-05 14:54:13 -07:00
offchannel.c mac80211: fix on-channel remain-on-channel 2014-06-07 13:25:31 -07:00
pm.c mac80211: fix suspend vs. authentication race 2014-06-07 13:25:31 -07:00
rate.c mac80211: fix typo in starting baserate for rts_cts_rate_idx 2014-11-14 08:48:00 -08:00
rate.h mac80211: track number of spatial streams 2013-02-15 09:41:31 +01:00
rc80211_minstrel.c mac80211/minstrel: fix NULL pointer dereference issue 2013-08-11 18:35:22 -07:00
rc80211_minstrel.h mac80211/minstrel: use the new rate control API 2013-04-22 16:16:41 +02:00
rc80211_minstrel_debugfs.c mac80211: cosmetics for minstrel_debugfs 2013-04-17 17:08:23 +02:00
rc80211_minstrel_ht.c mac80211: add a flag to indicate CCK support for HT clients 2013-09-07 22:09:59 -07:00
rc80211_minstrel_ht.h mac80211/minstrel_ht: use the new rate control API 2013-04-22 16:16:41 +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_pid.h
rc80211_pid_algo.c net: fix assignment of 0/1 to bool variables. 2011-12-19 22:27:29 -05:00
rc80211_pid_debugfs.c
rx.c mac80211: drop unencrypted frames in mesh fwding 2015-04-13 14:02:11 +02:00
scan.c mac80211: correctly close cancelled scans 2013-11-13 12:05:30 +09:00
spectmgmt.c
sta_info.c mac80211: fix a memory leak on sta rate selection table 2014-07-09 11:14:01 -07:00
sta_info.h mac80211: fix AP powersave TX vs. wakeup race 2014-03-23 21:38:11 -07:00
status.c mac80211: update sta->last_rx on acked tx frames 2013-11-13 12:05:30 +09:00
tkip.c mac80211: use just spin_lock() in ieee80211_get_tkip_p2k() 2013-05-16 22:38:06 +02:00
tkip.h
trace.c mac80211: trace debug messages 2012-06-24 11:33:18 +02:00
trace.h mac80211: support secondary channel offset in CSA 2013-04-16 15:29:44 +02:00
tx.c Revert "mac80211: move "bufferable MMPDU" check to fix AP mode scan" 2014-08-07 14:30:27 -07:00
util.c mac80211: fix crash if bitrate calculation goes wrong 2013-11-13 12:05:30 +09:00
vht.c mac80211: restrict peer's VHT capabilities to own 2013-03-06 16:36:03 +01:00
wep.c mac80211: fix network header location when adding encryption headers 2012-05-16 12:47:43 -04:00
wep.h mac80211: move RX WEP weak IV counting 2012-03-13 14:54:16 -04:00
wme.c mac80211: send control port protocol frames to the VO queue 2014-03-23 21:38:11 -07:00
wme.h mac80211: save wmm_acm per sdata 2012-06-20 17:35:22 +02:00
wpa.c mac80211: use spin_lock_bh() for TKIP lock 2013-02-15 09:41:13 +01:00
wpa.h mac80211: fix tx->skb NULL pointer dereference 2012-01-16 15:01:16 -05:00