Hi Caleb, > Since commit 3e54c5890c87 ("Bluetooth: hci_event: Use of a function table to handle HCI events"), > some devices see warnings 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 > > Avoid printing the event length warning for vendor events, this reverts > to the previous behaviour where such warnings weren't printed. > > Fixes: 3e54c5890c87 ("Bluetooth: hci_event: Use of a function table to handle HCI events") > Signed-off-by: Caleb Connolly <caleb.connolly@xxxxxxxxxx> > --- > Changes since v1: > * Don't return early! Vendor events still get parsed despite the > warning. I should have looked a little more closely at that... > --- > net/bluetooth/hci_event.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) patch has been applied to bluetooth-stable tree. Regards Marcel