Re: [PATCH v7] usbip: make remote list honor parsable output

[Shuah Khan <skhan@linuxfoundation.org>]

On 9/26/26 22:00, Jason Colapietro wrote:
> Hi Shuah and all,
> 
> The exact v7 patch has now been built and tested with a native Linux
> USB/IP stack.
> 
> Test setup: Alpine Linux 3.23.4 on aarch64, kernel 6.18.53-0-lts,
> usbip-utils 2.0. A QEMU USB mass-storage device (46f4:0001, busid 2-1)
> was bound to usbip-host and exported by usbipd. The client connected
> to 127.0.0.1:3240.
> 
> With the unpatched client, "usbip list -p -r 127.0.0.1" still printed
> the human-readable "Exportable USB devices" report, reproducing the
> bug. With the v7 client, the same command returned:
> 
>      busid=2-1#usbid=46f4:0001#
> 
> "usbip list -r 127.0.0.1" retained its human-readable output,
> including the device path and interface details. After unbinding the
> device, the parsable command exited successfully with zero bytes on
> stdout; rebinding restored the record.
> 
> I also attached busid 2-1 through the v7 client. "usbip port" showed
> it imported through vhci_hcd at port 08, and lsusb showed the device
> on both the original and virtual host buses. Detach succeeded, leaving
> no imported port. The build, list, attach, and detach commands all
> exited successfully.
> 
> This was one Linux VM with an emulated USB device and TCP loopback. I
> have not tested physical USB hardware or two separate machines. The
> existing option-order behavior is unchanged: -p must precede -r.

Please test this with two systems hots running on one and client on the
other. Send me before and after output that shows the bug and that it is
fixed by your change.

thanks,
-- Shuah