Additional info:
libreport version: 2.0.14
abrt_version:   2.0.13
cmdline:        BOOT_IMAGE=/boot/vmlinuz-3.5.5-2.fc17.i686 root=UUID=4d16b90c-ec49-4db1-9dd6-adde95531c1a ro rd.md=0 rd.lvm=0 rd.dm=0 SYSFONT=True KEYTABLE=us rd.luks=0 LANG=en_US.UTF-8 rhgb quiet
kernel:         3.5.5-2.fc17.i686

kernel_tainted_long:
:Proprietary module has been loaded.
:Taint on warning.

backtrace:
:WARNING: at net/wireless/sme.c:631 cfg80211_roamed+0x7b/0x80 [cfg80211]()
:Hardware name: HP EliteBook 6930p
:Modules linked in: arc4 ppp_mppe ppp_async crc_ccitt ppp_generic slhc fuse ebtable_nat ebtables nf_conntrack_netbios_ns nf_conntrack_broadcast ipt_MASQUERADE xt_state ip6table_mangle xt_CHECKSUM ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 bridge stp llc ip6table_filter ip6_tables lockd sunrpc iptable_nat nf_nat be2iscsi iscsi_boot_sysfs bnx2i cnic uio cxgb4i cxgb4 cxgb3i cxgb3 mdio libcxgbi ib_iser rdma_cm ib_addr iw_cm ib_cm ib_sa ib_mad ib_core iptable_mangle iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi rfcomm nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack bnep snd_hda_codec_analog hp_wmi ppdev sparse_keymap coretemp microcode serio_raw lpc_ich snd_hda_intel pata_pcmcia snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm btusb bluetooth lib80211_crypt_tkip uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev media wl(PO) cfg80211 rfkill lib80211 snd_page_alloc snd_timer snd soundcore e1000e parport_pc parport hp_accel lis3lv02
:d input_polldev vhost_net tun macvtap macvlan kvm_intel kvm uinput sdhci_pci sdhci firewire_ohci mmc_core yenta_socket firewire_core crc_itu_t wmi i915 video i2c_algo_bit drm_kms_helper drm i2c_core [last unloaded: scsi_wait_scan]
:Pid: 439, comm: wl_event_handle Tainted: P        W  O 3.5.5-2.fc17.i686 #1
:Call Trace:
: [<c0438ff2>] warn_slowpath_common+0x72/0xa0
: [<f7ef972b>] ? cfg80211_roamed+0x7b/0x80 [cfg80211]
: [<f7ef972b>] ? cfg80211_roamed+0x7b/0x80 [cfg80211]
: [<c0439042>] warn_slowpath_null+0x22/0x30
: [<f7ef972b>] cfg80211_roamed+0x7b/0x80 [cfg80211]
: [<f8fb0e66>] wl_notify_roaming_status+0xa6/0x120 [wl]
: [<f8fb0dc0>] ? wl_get_assoc_ies+0x230/0x230 [wl]
: [<f8faf3ed>] wl_event_handler+0x4d/0x1b0 [wl]
: [<f8fb0dc0>] ? wl_get_assoc_ies+0x230/0x230 [wl]
: [<f8faf3a0>] ? wl_notify_scan_status+0x360/0x360 [wl]
: [<c0457d32>] kthread+0x72/0x80
: [<c0457cc0>] ? kthread_freezable_should_stop+0x60/0x60
: [<c094b63e>] kernel_thread_helper+0x6/0x10