On 10/31/07, Marcel Holtmann <[email protected]> wrote:
> Hi Dave,
>
> > > diff -upr linux/net/bluetooth/hci_sysfs.c linux.new/net/bluetooth/hci_sysfs.c
> > > --- linux/net/bluetooth/hci_sysfs.c 2007-10-31 10:21:00.000000000 +0800
> > > +++ linux.new/net/bluetooth/hci_sysfs.c 2007-10-31 10:21:55.000000000 +0800
> > > @@ -302,7 +302,8 @@ void hci_conn_add_sysfs(struct hci_conn
> > > conn->dev.release = bt_release;
> > >
> > > snprintf(conn->dev.bus_id, BUS_ID_SIZE,
> > > - "%s%2.2X%2.2X%2.2X%2.2X%2.2X%2.2X",
> > > + "%s%s%2.2X%2.2X%2.2X%2.2X%2.2X%2.2X",
> > > + hdev->name,
> > > conn->type == ACL_LINK ? "acl" : "sco",
> > > ba->b[5], ba->b[4], ba->b[3],
> > > ba->b[2], ba->b[1], ba->b[0]);
> >
> > This might not work.
> >
> > Your device's name is already 15 characters long,
> > BUS_ID_SIZE is 20, and it seems hdev->name could
> > easily overflow the 4 or 5 characters of space
> > remaining.
>
> and should also be not needed since their parents are different. However
> we had to add the connections to a bus. Otherwise the userspace will
> never see them. I have to think about the right solution for this
> problem.
Maybe we can use this instead:
snprintf(conn->dev.bus_id, BUS_ID_SIZE,
- "%s%2.2X%2.2X%2.2X%2.2X%2.2X%2.2X",
+ "%s%s%2.2X%2.2X%2.2X%2.2X%2.2X%2.2X",
+ hdev->name + 3,
conn->type == ACL_LINK ? "acl" : "sco",
ba->b[5], ba->b[4], ba->b[3],
ba->b[2], ba->b[1], ba->b[0]);
Regards
dave
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