From mboxrd@z Thu Jan  1 00:00:00 1970
From: Oliver Neukum <oneukum@suse.com>
Subject: Re: [PATCH] net: usb: asix: fill null-ptr-deref in asix_suspend
Date: Mon, 06 Nov 2017 17:32:57 +0100
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Cc: allan <allan@asix.com.tw>,
        Colin Ian King <colin.king@canonical.com>,
        "David S . Miller" <davem@davemloft.net>,
        Philippe Reynes <tremyfr@gmail.com>,
        Dmitry Vyukov <dvyukov@google.com>,
        Kostya Serebryany <kcc@google.com>,
        Greg Ungerer <gerg@linux-m68k.org>,
        Dean Jenkins <Dean_Jenkins@mentor.com>,
        Peter Chen <peter.chen@nxp.com>,
        LKML <linux-kernel@vger.kernel.org>,
        USB list <linux-usb@vger.kernel.org>,
        netdev <netdev@vger.kernel.org>
To: Andrey Konovalov <andreyknvl@google.com>
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Am Montag, den 06.11.2017, 17:05 +0100 schrieb Andrey Konovalov:
> On Mon, Nov 6, 2017 at 4:20 PM, Oliver Neukum <oneukum@suse.com> wrote:
> > 

> I do have a way to reproduce this.
> 
> As far as I understand, for this particular device ax88172_bind() is
> called, which doesn't assign anything to dev->driver_priv, so that's
> why it is NULL in suspend() and resume().

Thanks and ouch. That means it never worked for those devices.
That makes this a rather serious bug and your fix is right.

	Regards
		Oliver