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Stanislaw Gruszka ecb4433550 mac80211: fix suspend/resume races with unregister hw 
Do not call ->suspend, ->resume methods after we unregister wiphy. Also
delete sta_clanup timer after we finish wiphy unregister to avoid this:

WARNING: at lib/debugobjects.c:262 debug_print_object+0x85/0xa0()
Hardware name: 6369CTO
ODEBUG: free active (active state 0) object type: timer_list hint: sta_info_cleanup+0x0/0x180 [mac80211]
Modules linked in: aes_i586 aes_generic fuse bridge stp llc autofs4 sunrpc cpufreq_ondemand acpi_cpufreq mperf ext2 dm_mod uinput thinkpad_acpi hwmon sg arc4 rt2800usb rt2800lib crc_ccitt rt2x00usb rt2x00lib mac80211 cfg80211 i2c_i801 iTCO_wdt iTCO_vendor_support e1000e ext4 mbcache jbd2 sd_mod crc_t10dif sr_mod cdrom yenta_socket ahci libahci pata_acpi ata_generic ata_piix i915 drm_kms_helper drm i2c_algo_bit video [last unloaded: microcode]
Pid: 5663, comm: pm-hibernate Not tainted 3.1.0-rc1-wl+ #19
Call Trace:
 [<c0454cfd>] warn_slowpath_common+0x6d/0xa0
 [<c05e05e5>] ? debug_print_object+0x85/0xa0
 [<c05e05e5>] ? debug_print_object+0x85/0xa0
 [<c0454dae>] warn_slowpath_fmt+0x2e/0x30
 [<c05e05e5>] debug_print_object+0x85/0xa0
 [<f8a808e0>] ? sta_info_alloc+0x1a0/0x1a0 [mac80211]
 [<c05e0bd2>] debug_check_no_obj_freed+0xe2/0x180
 [<c051175b>] kfree+0x8b/0x150
 [<f8a126ae>] cfg80211_dev_free+0x7e/0x90 [cfg80211]
 [<f8a13afd>] wiphy_dev_release+0xd/0x10 [cfg80211]
 [<c068d959>] device_release+0x19/0x80
 [<c05d06ba>] kobject_release+0x7a/0x1c0
 [<c07646a8>] ? rtnl_unlock+0x8/0x10
 [<f8a13adb>] ? wiphy_resume+0x6b/0x80 [cfg80211]
 [<c05d0640>] ? kobject_del+0x30/0x30
 [<c05d1a6d>] kref_put+0x2d/0x60
 [<c05d056d>] kobject_put+0x1d/0x50
 [<c08015f4>] ? mutex_lock+0x14/0x40
 [<c068d60f>] put_device+0xf/0x20
 [<c069716a>] dpm_resume+0xca/0x160
 [<c04912bd>] hibernation_snapshot+0xcd/0x260
 [<c04903df>] ? freeze_processes+0x3f/0x90
 [<c049151b>] hibernate+0xcb/0x1e0
 [<c048fdc0>] ? pm_async_store+0x40/0x40
 [<c048fe60>] state_store+0xa0/0xb0
 [<c048fdc0>] ? pm_async_store+0x40/0x40
 [<c05d0200>] kobj_attr_store+0x20/0x30
 [<c0575ea4>] sysfs_write_file+0x94/0xf0
 [<c051e26a>] vfs_write+0x9a/0x160
 [<c0575e10>] ? sysfs_open_file+0x200/0x200
 [<c051e3fd>] sys_write+0x3d/0x70
 [<c080959f>] sysenter_do_call+0x12/0x28

Cc: stable@kernel.org
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
 		2011-08-22 14:21:40 -04:00
..
Kconfig
…
Makefile
…
aes_ccm.c mac80211: use AES_BLOCK_SIZE 2011-07-08 11:11:24 -04:00
aes_ccm.h mac80211: use AES_BLOCK_SIZE 2011-07-08 11:11:24 -04:00
aes_cmac.c mac80211: use AES_BLOCK_SIZE 2011-07-08 11:11:24 -04:00
aes_cmac.h mac80211: fix CMAC races 2011-07-08 11:11:20 -04:00
agg-rx.c mac80211: check sta_info_get() return value 2011-07-20 15:04:36 -04:00
agg-tx.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2011-05-20 13:43:21 -07:00
cfg.c mac80211: reconfigure tx on device reconfiguration 2011-07-18 14:29:03 -04:00
cfg.h
…
chan.c
…
debugfs.c mac80211: add basic support for WoWLAN 2011-05-05 14:59:20 -04:00
debugfs.h
…
debugfs_key.c mac80211: fix CMAC races 2011-07-08 11:11:20 -04:00
debugfs_key.h
…
debugfs_netdev.c
…
debugfs_netdev.h
…
debugfs_sta.c
…
debugfs_sta.h
…
driver-ops.h mac80211: sync driver before TX 2011-07-20 15:04:35 -04:00
driver-trace.c
…
driver-trace.h mac80211: sync driver before TX 2011-07-20 15:04:35 -04:00
event.c
…
ht.c mac80211: Stop BA session event from device 2011-06-07 14:41:36 -04:00
ibss.c mac80211: fix IBSS teardown race 2011-06-08 14:19:05 -04:00
ieee80211_i.h mac80211: sync driver before TX 2011-07-20 15:04:35 -04:00
iface.c net: Audit drivers to identify those needing IFF_TX_SKB_SHARING cleared 2011-07-27 22:39:30 -07:00
key.c mac80211: let key iteration get keys in install order 2011-07-15 13:38:33 -04:00
key.h mac80211: allow driver to disconnect after resume 2011-07-13 14:49:43 -04:00
led.c
…
led.h
…
main.c mac80211: fix suspend/resume races with unregister hw 2011-08-22 14:21:40 -04:00
mesh.c mac80211: mesh: move some code to make it static 2011-05-12 14:10:55 -04:00
mesh.h mac80211: annotate and fix RCU in mesh code 2011-05-16 14:25:29 -04:00
mesh_hwmp.c treewide: fix potentially dangerous trailing ';' in #defined values/expressions 2011-07-21 14:10:00 +02:00
mesh_pathtbl.c mac80211: fix smatch complains 2011-07-05 15:26:53 -04:00
mesh_plink.c nl80211: Move peer link state definition to nl80211 2011-05-16 14:10:49 -04:00
michael.c
…
michael.h
…
mlme.c mac80211: sync driver before TX 2011-07-20 15:04:35 -04:00
offchannel.c
…
pm.c mac80211: be more careful in suspend/resume 2011-07-15 13:39:42 -04:00
rate.c
…
rate.h
…
rc80211_minstrel.c minstrel_ht: fixed rate mode through debugfs 2011-06-01 15:12:29 -04:00
rc80211_minstrel.h minstrel_ht: fixed rate mode through debugfs 2011-06-01 15:12:29 -04:00
rc80211_minstrel_debugfs.c
…
rc80211_minstrel_ht.c minstrel_ht: fixed rate mode through debugfs 2011-06-01 15:12:29 -04:00
rc80211_minstrel_ht.h
…
rc80211_minstrel_ht_debugfs.c
…
rc80211_pid.h
…
rc80211_pid_algo.c
…
rc80211_pid_debugfs.c
…
rx.c mac80211: allow driver to disconnect after resume 2011-07-13 14:49:43 -04:00
scan.c mac80211: implement scan supported rates 2011-07-19 16:50:00 -04:00
spectmgmt.c
…
sta_info.c rcu: treewide: Do not use rcu_read_lock_held when calling rcu_dereference_check 2011-07-08 22:21:58 +02:00
sta_info.h mac80211: simplify RX PN/IV handling 2011-07-08 11:42:21 -04:00
status.c mac80211: allow low level drivers to report packet loss 2011-04-28 14:50:00 -04:00
tkip.c mac80211: allow driver access to TKIP RX P1K 2011-07-15 13:38:32 -04:00
tkip.h mac80211: fix TKIP races, make API easier to use 2011-07-08 11:11:19 -04:00
tx.c mac80211: allow driver to disconnect after resume 2011-07-13 14:49:43 -04:00
util.c mac80211: implement scan supported rates 2011-07-19 16:50:00 -04:00
wep.c
…
wep.h
…
wme.c wireless: unify QoS control field definitions 2011-06-27 15:09:39 -04:00
wme.h wireless: unify QoS control field definitions 2011-06-27 15:09:39 -04:00
work.c mac80211: sync driver before TX 2011-07-20 15:04:35 -04:00
wpa.c mac80211: simplify RX PN/IV handling 2011-07-08 11:42:21 -04:00
wpa.h
…