linux-kernel - Re: [PATCH] wext: handle NULL exta data in iwe_stream_add

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Message-ID: <CAK8P3a2mOT=BG=9yxJ1e-q__5FYq6dfF3t3bT1vqcgFaQAUjog@mail.gmail.com>
Date:   Wed, 11 Jan 2017 16:00:00 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Johannes Berg <johannes@...solutions.net>
Cc:     linux-wireless@...r.kernel.org,
        "David S. Miller" <davem@...emloft.net>,
        Networking <netdev@...r.kernel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] wext: handle NULL exta data in iwe_stream_add_point better

On Wed, Jan 11, 2017 at 3:38 PM, Johannes Berg
<johannes@...solutions.net> wrote:
> On Wed, 2017-01-11 at 15:35 +0100, Arnd Bergmann wrote:

>> This works fine here because iwe->u.data.length is guaranteed to be
>> NULL, and the memcpy doesn't actually have an effect.
>
> I think you mean 0, not NULL, but I can fix that when I apply it.

Right, thanks!

    Arnd