On Tue, Nov 24, 2020 at 02:01:07PM +0100, Uwe Kleine-König wrote: > On Tue, Nov 24, 2020 at 01:03:25PM +0100, Marek Szyprowski wrote: > > > + if (sdrv->shutdown) > > > + sdrv->shutdown(to_spi_device(dev)); > > > } > > In the above function dev->driver might be NULL, so its use in > > to_spi_driver() and sdrv->shutdown leads to NULL pointer dereference. I > > didn't check the details, but a simple check for NULL dev->driver and > > return is enough to fix this issue. I can send such fix if you want. > Ah, I see. shutdown is called for unbound devices, too. Assuming that > Mark prefers a fix on top instead of an updated patch: Yes, please send > a fix. Otherwise I can do this, too, as I introduced the problem. Yes, please send an incremental fix (in general in a situation like this I'd just send a fix as part of the original report, it's quicker if the fix is OK).
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