linux-kernel - Re: [PATCH 3/4] drivers/base: devres.c: use devm_kmemdup() from with devm

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Message-ID: <1403193567.7875.4.camel@joe-AO725>
Date:	Thu, 19 Jun 2014 08:59:27 -0700
From:	Joe Perches <joe@...ches.com>
To:	Rob Jones <rob.jones@...ethink.co.uk>
Cc:	linus.walleij@...aro.org, gnurou@...il.com, lgirdwood@...il.com,
	broonie@...nel.org, linux-gpio@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-kernel@...ethink.co.uk,
	ian.molton@...ethink.co.uk, ben.dooks@...ethink.co.uk,
	heiko@...ech.de
Subject: Re: [PATCH 3/4] drivers/base: devres.c: use devm_kmemdup() from
 with devm_kstrdup()

On Thu, 2014-06-19 at 16:46 +0100, Rob Jones wrote:
> Avoid code duplication by using devm_kmemdup() to copy data instead
> of having a separate loop within devm_kstrdup().
> 
> Reviewed-by: Ian Molton <ian.molton@...ethink.co.uk>
> Signed-off-by: Rob Jones <rob.jones@...ethink.co.uk>
[]
> diff --git a/drivers/base/devres.c b/drivers/base/devres.c
[]
> @@ -802,17 +802,10 @@ EXPORT_SYMBOL_GPL(devm_kmalloc);
>   */
>  char *devm_kstrdup(struct device *dev, const char *s, gfp_t gfp)
>  {
[]
> +	return devm_kmemdup(dev, s, (strlen(s) + 1), gfp);
>  }
>  EXPORT_SYMBOL_GPL(devm_kstrdup);

Making this static inline in the header and dropping
EXPORT_SYMBOL_GPL might be smaller code.

static inline
char *devm_kstrdup(struct device *dev, const char *s, gfp_t gfp)
{
	return devm_kmemdup(dev, s, strlen(s) + 1, gfp);
}


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