linux-kernel - Re: [PATCH V2] checkpatch: Add some <foo>_destroy functions to NEEDLESS

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Date:	Tue, 14 Jul 2015 16:03:00 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Joe Perches <joe@...ches.com>
Cc:	Julia Lawall <julia.lawall@...6.fr>,
	Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
	Minchan Kim <minchan@...nel.org>,
	Christoph Lameter <cl@...ux.com>,
	Pekka Enberg <penberg@...nel.org>,
	Joonsoo Kim <iamjoonsoo.kim@....com>,
	Michal Hocko <mhocko@...e.cz>,
	David Rientjes <rientjes@...gle.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, sergey.senozhatsky.work@...il.com
Subject: Re: [PATCH V2] checkpatch: Add some <foo>_destroy functions to
 NEEDLESS_IF tests

On Tue, 09 Jun 2015 22:52:29 -0700 Joe Perches <joe@...ches.com> wrote:

> Sergey Senozhatsky has modified several destroy functions that can
> now be called with NULL values.
> 
>  - kmem_cache_destroy()
>  - mempool_destroy()
>  - dma_pool_destroy()
> 
> Update checkpatch to warn when those functions are preceded by an if.
> 
> Update checkpatch to --fix all the calls too only when the code style
> form is using leading tabs.
> 
> from:
> 	if (foo)
> 		<func>(foo);
> to:
> 	<func>(foo);

There's also zpool_destroy_pool() and zs_destroy_pool().  Did we decide
they're not worth bothering about?


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