linux-kernel - Re: [PATCH 1/3] ste_dma40: Delete an unnecessary check before the function call "kmem_cache

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Date:	Sun, 29 Nov 2015 22:26:42 +0100
From:	Linus Walleij <linus.walleij@...aro.org>
To:	SF Markus Elfring <elfring@...rs.sourceforge.net>
Cc:	Dan Williams <dan.j.williams@...el.com>,
	Vinod Koul <vinod.koul@...el.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>, dmaengine@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>,
	kernel-janitors@...r.kernel.org,
	Julia Lawall <julia.lawall@...6.fr>
Subject: Re: [PATCH 1/3] ste_dma40: Delete an unnecessary check before the
 function call "kmem_cache_destroy"

On Mon, Nov 16, 2015 at 10:23 PM, SF Markus Elfring
<elfring@...rs.sourceforge.net> wrote:

> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Mon, 16 Nov 2015 20:26:27 +0100
>
> The kmem_cache_destroy() function tests whether its argument is NULL
> and then returns immediately. Thus the test around the call is not needed.
>
> This issue was detected by using the Coccinelle software.
>
> Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>

Acked-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij
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