.169058] WARNING: at /build/buildd/linux-2.6.35/net/wireless/core.c:633 wdev_cleanup_work+0xa7/0xd0 [cfg80211]()
Hardware name: 9452W3J
Modules linked in: nls_iso8859_1 nls_cp437 vfat fat usb_storage parport_pc ppdev rfcomm binfmt_misc sco bnep l2cap joydev snd_hda_codec_analog arc4 snd_hda_intel snd_hda_codec snd_hwdep snd_pcm radeon thinkpad_acpi iwl3945 snd_seq_midi snd_rawmidi ttm snd_seq_midi_event pcmcia iwlcore snd_seq mac80211 drm_kms_helper snd_timer btusb snd_seq_device nsc_ircc bluetooth irda drm intel_agp video tifm_7xx1 snd yenta_socket tifm_core pcmcia_rsrc cfg80211 soundcore psmouse nvram crc_ccitt serio_raw output pcmcia_core snd_page_alloc i2c_algo_bit agpgart lp parport firewire_ohci sdhci_pci firewire_core sdhci led_class crc_itu_t tg3
Pid: 647, comm: cfg80211 Not tainted 2.6.35-22-generic #33-Ubuntu
Call Trace:
 [<c014ac52>] warn_slowpath_common+0x72/0xa0
 [<f820e027>] ? wdev_cleanup_work+0xa7/0xd0 [cfg80211]
 [<f820e027>] ? wdev_cleanup_work+0xa7/0xd0 [cfg80211]
 [<c014aca2>] warn_slowpath_null+0x22/0x30
 [<f820e027>] wdev_cleanup_work+0xa7/0xd0 [cfg80211]
 [<c0161a4e>] run_workqueue+0x8e/0x150
 [<f820df80>] ? wdev_cleanup_work+0x0/0xd0 [cfg80211]
 [<c0161b94>] worker_thread+0x84/0xe0
 [<c0165e10>] ? autoremove_wake_function+0x0/0x50
 [<c0161b10>] ? worker_thread+0x0/0xe0
 [<c01659e4>] kthread+0x74/0x80
 [<c0165970>] ? kthread+0x0/0x80
 [<c010363e>] kernel_thread_helper+0x6/0x10
---[ end trace 300f96350776fdf8 ]---