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

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Date:   Thu, 12 Jan 2017 10:44:16 +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 Thursday, January 12, 2017 10:16:00 AM CET Johannes Berg wrote:
> And I realized only now that this was a different place ...

Right, it was a few hundred randconfigs later after I had confirmed
that the first patch fixed all the configurations that were broken
at first.

> I've just added the check you suggested - spent way too much time
> already on this old crap 

Ok, thanks! Let's hope it doesn't come back once more.

I'm still trying to categorize the newly added warnings in gcc-7,
there a number of very useful warnings that got added, but some of
them are rather noisy and find both a number of real bugs and
false positives. The NULL check had only a few findings that all
seemed worth fixing.

	Arnd