Re: [PATCH] bluetooth: hci_event: don't print an error on vendor events

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Hi Caleb,

> Since commit 3e54c5890c87 ("Bluetooth: hci_event: Use of a function table to handle HCI events"),
> some devices see errors being printed for vendor events, e.g.
> 
> [   75.806141] Bluetooth: hci0: setting up wcn399x
> [   75.948311] Bluetooth: hci0: unexpected event 0xff length: 14 > 0
> [   75.955552] Bluetooth: hci0: QCA Product ID   :0x0000000a
> [   75.961369] Bluetooth: hci0: QCA SOC Version  :0x40010214
> [   75.967417] Bluetooth: hci0: QCA ROM Version  :0x00000201
> [   75.973363] Bluetooth: hci0: QCA Patch Version:0x00000001
> [   76.000289] Bluetooth: hci0: QCA controller version 0x02140201
> [   76.006727] Bluetooth: hci0: QCA Downloading qca/crbtfw21.tlv
> [   76.986850] Bluetooth: hci0: unexpected event 0xff length: 3 > 0
> [   77.013574] Bluetooth: hci0: QCA Downloading qca/oneplus6/crnv21.bin
> [   77.024302] Bluetooth: hci0: unexpected event 0xff length: 3 > 0
> [   77.032681] Bluetooth: hci0: unexpected event 0xff length: 3 > 0
> [   77.040674] Bluetooth: hci0: unexpected event 0xff length: 3 > 0
> [   77.049251] Bluetooth: hci0: unexpected event 0xff length: 3 > 0
> [   77.057997] Bluetooth: hci0: unexpected event 0xff length: 3 > 0
> [   77.066320] Bluetooth: hci0: unexpected event 0xff length: 3 > 0
> [   77.075065] Bluetooth: hci0: unexpected event 0xff length: 3 > 0
> [   77.083073] Bluetooth: hci0: unexpected event 0xff length: 3 > 0
> [   77.091250] Bluetooth: hci0: unexpected event 0xff length: 3 > 0
> [   77.099417] Bluetooth: hci0: unexpected event 0xff length: 3 > 0
> [   77.110166] Bluetooth: hci0: unexpected event 0xff length: 3 > 0
> [   77.118672] Bluetooth: hci0: unexpected event 0xff length: 3 > 0
> [   77.127449] Bluetooth: hci0: unexpected event 0xff length: 3 > 0
> [   77.137190] Bluetooth: hci0: unexpected event 0xff length: 3 > 0
> [   77.146192] Bluetooth: hci0: unexpected event 0xff length: 3 > 0
> [   77.154242] Bluetooth: hci0: unexpected event 0xff length: 3 > 0
> [   77.163183] Bluetooth: hci0: unexpected event 0xff length: 3 > 0
> [   77.171202] Bluetooth: hci0: unexpected event 0xff length: 3 > 0
> [   77.179364] Bluetooth: hci0: unexpected event 0xff length: 3 > 0
> [   77.187259] Bluetooth: hci0: unexpected event 0xff length: 3 > 0
> [   77.198451] Bluetooth: hci0: QCA setup on UART is completed
> 
> Use the quick-return path in hci_event_func() to avoid printing this
> message for vendor events, this reverts to the previous behaviour which
> didn't print an error for vendor events.
> 
> Fixes: 3e54c5890c87 ("Bluetooth: hci_event: Use of a function table to handle HCI events")
> Signed-off-by: Caleb Connolly <caleb.connolly@xxxxxxxxxx>
> ---
> net/bluetooth/hci_event.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

patch has been applied to bluetooth-stable tree.

Regards

Marcel




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