Re: [Qemu-devel] Re: [PATCH 1/3] usb-linux: Store devpath into USBHostDevice when usb_fs_type == USB_FS_SYS

[Hans de Goede]

Hi,

On 11/09/2010 09:43 PM, Yuriy Kaminskiy wrote:
> Hans de Goede wrote:
> > This allows us to recreate the sysfspath used during scanning later
> > (which will be used in a later patch in this series).
> > ---
> >   usb-linux.c |   29 +++++++++++++++++++----------
> >   1 files changed, 19 insertions(+), 10 deletions(-)
> >
> > diff --git a/usb-linux.c b/usb-linux.c
> > index c3c38ec..61e8ec6 100644
> > --- a/usb-linux.c
> > +++ b/usb-linux.c
> [...]
> > @@ -1300,6 +1302,13 @@ static int usb_host_scan_sys(void *opaque, USBScanFunc 
> > *func)
> >               if (sscanf(line, "%d",&addr) != 1) {
> >                   goto the_end;
> >               }
> > +            if (!usb_host_read_file(line, sizeof(line), "devpath",
> > +                                    de->d_name)) {
> > +                goto the_end;
> > +            }
>
> FYI: "devpath" attribute was introduced in 2.6.33 kernel.

Ah I did not know that, well the same information is available in de->d_name, 
and has
been so for much longer. So I'll do a new version getting it from de->d_name 
instead.

Thanks,

Hans