linux-kernel - Re: [PATCH] USB-EHCI: Delete unnecessary checks before the function call "dma_pool

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Message-ID: <Pine.LNX.4.44L0.1511161331560.1938-100000@iolanthe.rowland.org>
Date:	Mon, 16 Nov 2015 13:32:21 -0500 (EST)
From:	Alan Stern <stern@...land.harvard.edu>
To:	SF Markus Elfring <elfring@...rs.sourceforge.net>
cc:	linux-usb@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	<linux-kernel@...r.kernel.org>, <kernel-janitors@...r.kernel.org>,
	Julia Lawall <julia.lawall@...6.fr>
Subject: Re: [PATCH] USB-EHCI: Delete unnecessary checks before the function
 call "dma_pool_destroy"

On Mon, 16 Nov 2015, SF Markus Elfring wrote:

> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Mon, 16 Nov 2015 19:01:44 +0100
> 
> The dma_pool_destroy() function tests whether its argument is NULL
> and then returns immediately. Thus the test around the calls is not needed.
> 
> This issue was detected by using the Coccinelle software.
> 
> Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>

Acked-by: Alan Stern <stern@...land.harvard.edu>

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