Re: [PATCH]bluetooth: hci_sysfs connection bus_id add support for diffrent hci device

[Marcel Holtmann <marcel@holtmann.org>]

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.

Regards

Marcel


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