[PATCH] r8152: stop submitting rx for -EPROTO

Hayes Wang hayeswang at realtek.com
Wed Sep 29 01:14:12 PDT 2021


Jason-ch Chen <jason-ch.chen at mediatek.com>
> Sent: Wednesday, September 29, 2021 1:18 PM
[...]
> When unplugging RTL8152 Fast Ethernet Adapter which is plugged
> into an USB HUB, the driver would get -EPROTO for bulk transfer.
> There is a high probability to get the soft/hard lockup
> information if the driver continues to submit Rx before the HUB
> completes the detection of all hub ports and issue the
> disconnect event.

I don't think it is a good idea.
For the other situations which return the same error code, you would stop the rx, too.
However, the rx may re-work after being resubmitted for the other cases.

Best Regards,
Hayes




More information about the linux-arm-kernel mailing list