Re: [PATCH] usb: gadget: Check for NULL pointer in disconnect

[Felipe Balbi]

On Mon, Mar 23, 2015 at 04:00:37PM -0700, Badhri Jagan Sridharan wrote:
> > Do you really see some udc drivers call it after composite_unbind is
> > called? If it is, you may add dump_stack() to track that error.
> >
> > Besides this, function suspended_show is needed to add cdev NULL pointer
> > checking.
> 
> We see this happening occasionally in *not yet* upstreamed UDC
> code of some vendors (Yes, disconnect being called after unbind)

fix your UDC. We leave these sort of thing open so people realise they
have to fix their drivers.

-- 
balbi

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