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

[Shuah Khan]

On 10/1/26 06:49, Shuah Khan wrote:
> 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.

Another thing. This needs to be reproduced and tested on the latest kenel,
Linux 7.3-rc5

thanks,
-- Shuah