Re: [PATCH v2 0/8] NFC: fix device allocation and nfcmrvl crashes

From: Samuel Ortiz
Date: Tue Apr 18 2017 - 19:24:44 EST


Hi Johan,

On Tue, Apr 18, 2017 at 12:09:16PM +0200, Johan Hovold wrote:
> On Thu, Mar 30, 2017 at 12:15:34PM +0200, Johan Hovold wrote:
> > This started out with the observation that the nfcmrvl_uart driver
> > unconditionally dereferenced the tty class device despite the fact that
> > not every tty has an associated struct device (Unix98 ptys). Some
> > further changes were needed in the common nfcmrvl code to fully address
> > this, some of which also incidentally fixed a few related bugs (e.g.
> > resource leaks in error paths).
> >
> > While fixing this I stumbled over a regression in NFC core that lead to
> > broken registration error paths and misnamed workqueues.
> >
> > Note that this has only been tested by configuring the n_hci line
> > discipline for different ttys without any actual NFC hardware connected.
>
> > Johan Hovold (8):
> > NFC: fix broken device allocation
> > NFC: nfcmrvl_uart: add missing tty-device sanity check
> > NFC: nfcmrvl: do not use device-managed resources
> > NFC: nfcmrvl: use nfc-device for firmware download
> > NFC: nfcmrvl: fix firmware-management initialisation
> > NFC: nfcmrvl_uart: fix device-node leak during probe
> > NFC: nfcmrvl_usb: use interface as phy device
> > NFC: nfcmrvl: allow gpio 0 for reset signalling
>
> Any chance of getting these into 4.12, Samuel?
I have yours and Mark Greer patchset pending. I'll push them to nfc-next
and see if I can send another pull request to Dave by the end of this
week.

Cheers,
Samuel.