linux-kernel - Re: [PATCH 9/10] staging: r8188eu: Cocci spatch "noderef"

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Message-ID: <20130920104457.GB6192@mwanda>
Date:	Fri, 20 Sep 2013 13:44:57 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Thomas Meyer <thomas@...3r.de>
Cc:	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 9/10] staging: r8188eu: Cocci spatch "noderef"

On Thu, Sep 19, 2013 at 11:45:46PM +0200, Thomas Meyer wrote:
> sizeof when applied to a pointer typed expression gives the size of the
> pointer.
> Found by coccinelle spatch "misc/noderef.cocci"
> 
> Signed-off-by: Thomas Meyer <thomas@...3r.de>
> ---
> 
> diff -u -p a/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c b/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c
> --- a/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c
> +++ b/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c
> @@ -6973,7 +6973,7 @@ static int rtw_mp_ctx(struct net_device
>  	stop = strncmp(extra, "stop", 4);
>  	sscanf(extra, "count =%d, pkt", &count);
>  
> -	_rtw_memset(extra, '\0', sizeof(extra));
> +	_rtw_memset(extra, '\0', sizeof(*extra));

Do:

	extra[0] = '\0';

regards,
dan carpenter

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