linux-kernel - Re: [PATCH 06/39] Btrfs: drop null test before destroy functions

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Message-ID: <20150914204306.GU8891@twin.jikos.cz>
Date:	Mon, 14 Sep 2015 22:43:06 +0200
From:	David Sterba <dsterba@...e.cz>
To:	Julia Lawall <Julia.Lawall@...6.fr>
Cc:	Chris Mason <clm@...com>, sergey.senozhatsky@...il.com,
	kernel-janitors@...r.kernel.org, Josef Bacik <jbacik@...com>,
	David Sterba <dsterba@...e.com>, linux-btrfs@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 06/39] Btrfs: drop null test before destroy functions

On Sun, Sep 13, 2015 at 02:14:59PM +0200, Julia Lawall wrote:
> Remove unneeded NULL test.
> 
> The semantic patch that makes this change is as follows:
> (http://coccinelle.lip6.fr/)
> 
> // <smpl>
> @@ expression x; @@
> -if (x != NULL)
>   \(kmem_cache_destroy\|mempool_destroy\|dma_pool_destroy\)(x);
> // </smpl>
> 
> Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>

Acked-by: David Sterba <dsterba@...e.com>
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