linux-kernel - Re: [PATCH 02/38] bus: arm-ccn: fix handling cpumask_any

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Date:	Mon, 21 Sep 2015 12:56:09 -0700
From:	Pawel Moll <pawel.moll@...s.arm.com>
To:	Andrzej Hajda <a.hajda@...sung.com>
Cc:	linux-kernel@...r.kernel.org,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>
Subject: Re: [PATCH 02/38] bus: arm-ccn: fix handling cpumask_any_but return
 value

Dnia 2015-09-21, Mon o godzinie 15:33 +0200, Andrzej Hajda pisze:
> cpumask_any_but returns value >= nr_cpu_ids if there are no more CPUs.
> 
> The problem has been detected using proposed semantic patch
> scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1].
> 
> [1]: http://permalink.gmane.org/gmane.linux.kernel/2038576
> 
> Signed-off-by: Andrzej Hajda <a.hajda@...sung.com>

This has been already reported and discussed:

	http://thread.gmane.org/gmane.linux.kernel.janitors/34058

but apparently slipped through cracks :-( therefore:

Acked-by: Pawel Moll <pawel.moll@....com>

Thanks for bringing it up again!

Pawel



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