On Mon, May 09, 2016 at 07:26:27AM +0200, Greg Kroah-Hartman wrote:
> On Sun, May 08, 2016 at 08:08:03PM +0200, Johan Hovold wrote:
> > Due to a missing upper bound, invalid minor numbers could be assigned to
> > ports. Such devices would later fail to register, but let's catch this
> > early as intended and avoid having devices with only a subset of their
> > ports registered (potentially the empty set).
> >
> > Signed-off-by: Johan Hovold <jo...@kernel.org>
> > ---
> > drivers/usb/serial/usb-serial.c | 3 ++-
> > 1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/usb/serial/usb-serial.c
> > b/drivers/usb/serial/usb-serial.c
> > index 7ecf4ff86b9a..4d2b310de55d 100644
> > --- a/drivers/usb/serial/usb-serial.c
> > +++ b/drivers/usb/serial/usb-serial.c
> > @@ -96,7 +96,8 @@ static int allocate_minors(struct usb_serial *serial, int
> > num_ports)
> > mutex_lock(&table_lock);
> > for (i = 0; i < num_ports; ++i) {
> > port = serial->port[i];
> > - minor = idr_alloc(&serial_minors, port, 0, 0, GFP_KERNEL);
> > + minor = idr_alloc(&serial_minors, port, 0,
> > + USB_SERIAL_TTY_MINORS, GFP_KERNEL);
> > if (minor < 0)
> > goto error;
> > port->minor = minor;
>
> Nice catch for this one, and all the others in this series.
>
> Feel free to add:
> Acked-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
>
> to them all if you want.
Thanks. All now applied.
Johan
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