linux-kernel - Re: [PATCH 9/9] drivers/isdn/gigaset/common.c: Remove useless kfree

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Message-ID: <5051ACDB.5030407@imap.cc>
Date:	Thu, 13 Sep 2012 11:52:27 +0200
From:	Tilman Schmidt <tilman@...p.cc>
To:	Peter Senna Tschudin <peter.senna@...il.com>
CC:	Hansjoerg Lipp <hjlipp@....de>, kernel-janitors@...r.kernel.org,
	Karsten Keil <isdn@...ux-pingi.de>,
	gigaset307x-common@...ts.sourceforge.net, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 9/9] drivers/isdn/gigaset/common.c: Remove useless kfree

Am 12.09.2012 17:06, schrieb Peter Senna Tschudin:
> From: Peter Senna Tschudin <peter.senna@...il.com>
> 
> Remove useless kfree() and clean up code related to the removal.
> 
> The semantic patch that finds this problem is as follows:
[...]
> 
> Signed-off-by: Peter Senna Tschudin <peter.senna@...il.com>

Acked-by: Tilman Schmidt <tilman@...p.cc>

> ---
>  drivers/isdn/gigaset/common.c |    1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/isdn/gigaset/common.c b/drivers/isdn/gigaset/common.c
> index aa41485..30a6b17 100644
> --- a/drivers/isdn/gigaset/common.c
> +++ b/drivers/isdn/gigaset/common.c
> @@ -1123,7 +1123,6 @@ struct gigaset_driver *gigaset_initdriver(unsigned minor, unsigned minors,
>  	return drv;
>  
>  error:
> -	kfree(drv->cs);
>  	kfree(drv);
>  	return NULL;
>  }

This is indeed vestigial code, left in when another error path
that needed it was removed. Though innocuous, it's better to
remove it.

Thanks,
Tilman

-- 
Tilman Schmidt                    E-Mail: tilman@...p.cc
Bonn, Germany
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