On Wed, Aug 14, 2013 at 09:03:19AM -0500, Felipe Balbi wrote:
> On Tue, Aug 13, 2013 at 09:50:20PM +0000, Paul Zimmerman wrote:
> > > From: Felipe Balbi [mailto:[email protected]]
> > > Sent: Tuesday, August 13, 2013 2:12 PM
> > > 
> > > if pdata is a NULL pointer we could cause a
> > > kernel oops when probing the driver. Make sure
> > > to cope with systems which won't pass pdata
> > > to the driver.
> > > 
> > > Reported-by: Paul Zimmerman <[email protected]>
> > > Signed-off-by: Felipe Balbi <[email protected]>
> > > ---
> > >  drivers/usb/dwc3/core.c | 5 ++++-
> > >  1 file changed, 4 insertions(+), 1 deletion(-)
> > > 
> > > diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
> > > index 3ff6f0a..577af1b 100644
> > > --- a/drivers/usb/dwc3/core.c
> > > +++ b/drivers/usb/dwc3/core.c
> > > @@ -393,7 +393,7 @@ static int dwc3_probe(struct platform_device *pdev)
> > > 
> > >           dwc->needs_fifo_resize = of_property_read_bool(node, 
> > > "tx-fifo-resize");
> > >           dwc->dr_mode = of_usb_get_dr_mode(node);
> > > - } else {
> > > + } else if (pdata) {
> > >           dwc->maximum_speed = pdata->maximum_speed;
> > > 
> > >           dwc->usb2_phy = devm_usb_get_phy(dev, USB_PHY_TYPE_USB2);
> > > @@ -401,6 +401,9 @@ static int dwc3_probe(struct platform_device *pdev)
> > > 
> > >           dwc->needs_fifo_resize = pdata->tx_fifo_resize;
> > >           dwc->dr_mode = pdata->dr_mode;
> > > + } else {
> > > +         dwc->usb2_phy = devm_usb_get_phy(dev, USB_PHY_TYPE_USB2);
> > > +         dwc->usb3_phy = devm_usb_get_phy(dev, USB_PHY_TYPE_USB3);
> > >   }
> > > 
> > >   /* default to superspeed if no maximum_speed passed */
> > 
> > For PCI glue layer,
> > Tested-by: Paul Zimmerman <[email protected]>
> 
> Greg, can you merge this on top of your usb-next branch ? If you wish,
> I can send another pull request. Whatever works.

Can you just resend it through email if that's easier, I don't have the
original anymore...

thanks,

greg k-h
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