Arch Linux

Description:
Hello,
I'm using kernel 4.2.1-1,
and sometime (few times in a day) dmesg show this info:

[ 4053.643092] WARNING: CPU: 0 PID: 84 at drivers/usb/core/urb.c:450 usb_submit_urb+0x1b6/0x5b0 [usbcore]()
[ 4053.643096] usb 2-1: BOGUS urb xfer, pipe 1 != type 3
[ 4053.643098] Modules linked in: arc4 radeon ath9k_htc iTCO_wdt iTCO_vendor_support ath9k_common ath9k_hw evdev ath ppdev input_leds mac80211 led_class mousedev mac_hid serio_raw cfg80211 pcspkr rfkill ttm snd_wavefront drm_kms_helper snd_intel8x0 snd_ac97_codec ac97_bus i2c_i801 snd_cs4236 snd_wss_lib snd_opl3_lib snd_hwdep snd_pcm drm tulip intel_agp snd_timer lpc_ich intel_gtt i2c_algo_bit fan rng_core agpgart ns558 snd_mpu401 snd_mpu401_uart snd_rawmidi snd_seq_device snd parport_pc parport thermal gameport shpchp soundcore button acpi_cpufreq processor sch_fq_codel ip_tables x_tables ext4 crc16 mbcache jbd2 hid_generic usbhid hid sd_mod ata_generic pata_acpi atkbd libps2 ata_piix libata scsi_mod ehci_pci uhci_hcd ehci_hcd usbcore usb_common i8042 serio floppy
[ 4053.662965] usb 2-1: BOGUS urb xfer, pipe 1 != type 3
[ 4053.662967] Modules linked in: arc4 radeon ath9k_htc iTCO_wdt iTCO_vendor_support ath9k_common ath9k_hw evdev ath ppdev input_leds mac80211 led_class mousedev mac_hid serio_raw cfg80211 pcspkr rfkill ttm snd_wavefront drm_kms_helper snd_intel8x0 snd_ac97_codec ac97_bus i2c_i801 snd_cs4236 snd_wss_lib snd_opl3_lib snd_hwdep snd_pcm drm tulip intel_agp snd_timer lpc_ich intel_gtt i2c_algo_bit fan rng_core agpgart ns558 snd_mpu401 snd_mpu401_uart snd_rawmidi snd_seq_device snd parport_pc parport thermal gameport shpchp soundcore button acpi_cpufreq processor sch_fq_codel ip_tables x_tables ext4 crc16 mbcache jbd2 hid_generic usbhid hid sd_mod ata_generic pata_acpi atkbd libps2 ata_piix libata scsi_mod ehci_pci uhci_hcd ehci_hcd usbcore usb_common i8042 serio floppy
[ 4053.663033] CPU: 0 PID: 84 Comm: kworker/u4:3 Tainted: G W 4.2.1-1-ARCH #1
[ 4053.663036] Hardware name: /Springdale, BIOS
[ 4053.663042] Workqueue: phy0 ath9k_htc_ani_work [ath9k_htc]
[ 4053.663045] c162b967 ebaa67f4 00000000 f501bda8 c14c3c3d f501bde8 f501bdd8 c10582e7
[ 4053.663052] f80e6a5c f501be08 00000054 f80e8b68 000001c2 f80d3dd6 f80d3dd6 e5939700
[ 4053.663059] f5202400 00000001 f501bdf4 c105835e 00000009 f501bde8 f80e6a5c f501be08
[ 4053.663066] Call Trace:
[ 4053.663072] [<c14c3c3d>] dump_stack+0x48/0x69
[ 4053.663076] [<c10582e7>] warn_slowpath_common+0x87/0xc0
[ 4053.663085] [<f80d3dd6>] ? usb_submit_urb+0x1b6/0x5b0 [usbcore]
[ 4053.663092] [<f80d3dd6>] ? usb_submit_urb+0x1b6/0x5b0 [usbcore]
[ 4053.663096] [<c105835e>] warn_slowpath_fmt+0x3e/0x60
[ 4053.663103] [<f80d3dd6>] usb_submit_urb+0x1b6/0x5b0 [usbcore]
[ 4053.663109] [<f8a49325>] hif_usb_send+0xb5/0x330 [ath9k_htc]
[ 4053.663114] [<f8a4704c>] htc_issue_send.constprop.1+0x4c/0x60 [ath9k_htc]
[ 4053.663119] [<f8a4742d>] htc_send_epid+0x1d/0x30 [ath9k_htc]
[ 4053.663124] [<f8a49b3f>] ath9k_wmi_cmd+0xef/0x180 [ath9k_htc]
[ 4053.663129] [<f8a4f2ad>] ath9k_regread+0x4d/0x80 [ath9k_htc]
[ 4053.663138] [<f8ade1fb>] ath9k_hw_ani_monitor+0x5b/0x1d0 [ath9k_hw]
[ 4053.663143] [<f8a4e235>] ath9k_htc_ani_work+0x105/0x170 [ath9k_htc]
[ 4053.663147] [<c106d8ea>] process_one_work+0x11a/0x3f0
[ 4053.663151] [<c106dbf7>] worker_thread+0x37/0x470
[ 4053.663154] [<c106dbc0>] ? process_one_work+0x3f0/0x3f0
[ 4053.663158] [<c1072c96>] kthread+0xa6/0xc0
[ 4053.663163] [<c1079ea5>] ? finish_task_switch+0x55/0x190
[ 4053.663168] [<c14c8b41>] ret_from_kernel_thread+0x21/0x30
[ 4053.663171] [<c1072bf0>] ? kthread_worker_fn+0x140/0x140
[ 4053.663174] ---[ end trace e67845cbbad0e9ba ]---
[ 4053.686394] ------------[ cut here ]------------

and the CPU usage is 100%.

Additional info:
* linux 4.2.1-1