linux-kernel - [PATCH] mtd: bf5xx_nand: use the managed version of kzalloc (Re: [PATCH] mtd: Introduce the use of the managed version of kzalloc)

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Date:	Wed, 28 May 2014 15:09:12 -0700
From:	Brian Norris <computersforpeace@...il.com>
To:	Himangi Saraogi <himangi774@...il.com>
Cc:	David Woodhouse <dwmw2@...radead.org>,
	linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org,
	julia.lawall@...6.fr, Mike Frysinger <vapier.adi@...il.com>
Subject: [PATCH] mtd: bf5xx_nand: use the managed version of kzalloc (Re:
 [PATCH] mtd: Introduce the use of the managed version of kzalloc)

On Fri, May 23, 2014 at 12:28:48AM +0530, Himangi Saraogi wrote:
> This patch moves data allocated using kzalloc to managed data allocated
> using devm_kzalloc and cleans now unnecessary kfrees in probe and remove
> functions. Also, the now unnecessary label out_err_hw_init is done away
> with and the label out_err_kzalloc is renamed to out_err.
> 
> The following Coccinelle semantic patch was used for making the change:
> 
> @platform@
> identifier p, probefn, removefn;
> @@
> struct platform_driver p = {
>   .probe = probefn,
>   .remove = removefn,
> };
> 
> @prb@
> identifier platform.probefn, pdev;
> expression e, e1, e2;
> @@
> probefn(struct platform_device *pdev, ...) {
>   <+...
> - e = kzalloc(e1, e2)
> + e = devm_kzalloc(&pdev->dev, e1, e2)
>   ...
> ?-kfree(e);
>   ...+>
> }
> 
> @rem depends on prb@
> identifier platform.removefn;
> expression e;
> @@
> removefn(...) {
>   <...
> - kfree(e);
>   ...>
> }
> 
> Signed-off-by: Himangi Saraogi <himangi774@...il.com>

Improved the subject and pushed to l2-mtd.git. Thanks!

Brian
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