linux-kernel - Re: [PATCH] bestcomm: no need to free when kzalloc fail

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Message-ID: <519C4E4D.1060101@huawei.com>
Date:	Wed, 22 May 2013 12:49:17 +0800
From:	Libo Chen <clbchenlibo.chen@...wei.com>
To:	<vinod.koul@...el.com>, <grant.likely@...aro.org>,
	<rob.herring@...xeda.com>,
	Andrew Morton <akpm@...ux-foundation.org>
CC:	<linux-kernel@...r.kernel.org>,
	<devicetree-discuss@...ts.ozlabs.org>,
	Libo Chen <libo.chen@...wei.com>, <agust@...x.de>,
	<phdm@...qel.be>, <benh@...nel.crashing.org>,
	Li Zefan <lizefan@...wei.com>
Subject: Re: [PATCH] bestcomm: no need to free when kzalloc fail


ping...

On 2013/5/5 16:38, chenlibo.3@...il.com wrote:
> From: Libo Chen <libo.chen@...wei.com>
> 
> There is no need to free bcom_eng if kzalloc fail
> 
> Signed-off-by: Libo Chen <libo.chen@...wei.com>
> ---
>  drivers/dma/bestcomm/bestcomm.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/dma/bestcomm/bestcomm.c b/drivers/dma/bestcomm/bestcomm.c
> index a8c2e29..300ee2d 100644
> --- a/drivers/dma/bestcomm/bestcomm.c
> +++ b/drivers/dma/bestcomm/bestcomm.c
> @@ -400,7 +400,7 @@ static int mpc52xx_bcom_probe(struct platform_device *op)
>  		printk(KERN_ERR DRIVER_NAME ": "
>  			"Can't allocate state structure\n");
>  		rv = -ENOMEM;
> -		goto error_sramclean;
> +		goto error_kzalloc;
>  	}
>  
>  	/* Save the node */
> @@ -449,6 +449,7 @@ error_release:
>  	release_mem_region(res_bcom.start, sizeof(struct mpc52xx_sdma));
>  error_sramclean:
>  	kfree(bcom_eng);
> +error_kzalloc:
>  	bcom_sram_cleanup();
>  error_ofput:
>  	of_node_put(op->dev.of_node);
> 


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