linux-kernel - Re: [PATCH 34/39] dccp: drop null test before destroy functions

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Message-Id: <20150915.165009.293831022941705256.davem@davemloft.net>
Date:	Tue, 15 Sep 2015 16:50:09 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	Julia.Lawall@...6.fr
Cc:	gerrit@....abdn.ac.uk, sergey.senozhatsky@...il.com,
	kernel-janitors@...r.kernel.org, dccp@...r.kernel.org,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 34/39] dccp: drop null test before destroy functions

From: Julia Lawall <Julia.Lawall@...6.fr>
Date: Sun, 13 Sep 2015 14:15:27 +0200

> 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);
> 
> @@
> expression x;
> @@
> 
> -if (x != NULL) {
>   \(kmem_cache_destroy\|mempool_destroy\|dma_pool_destroy\)(x);
>   x = NULL;
> -}
> // </smpl>
> 
> Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>

Applied.
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