linux-kernel - Re: [PATCH 1/10] MIPS: BCM47XX: Cocci spatch "noderef"

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Date:	Thu, 19 Sep 2013 23:08:08 +0200
From:	Hauke Mehrtens <hauke@...ke-m.de>
To:	thomas@...3r.de, linux-mips@...ux-mips.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/10] MIPS: BCM47XX: Cocci spatch "noderef"

On 09/19/2013 08:38 PM, thomas@...3r.de wrote:
> sizeof when applied to a pointer typed expression gives the size of the
> pointer.
> Found by coccinelle spatch "misc/noderef.cocci"

Thanks for spotting this.

Is this a new rule or has just nobody checked that part of the kernel?


The from field in the mail is broken.

> Signed-off-by: Thomas Meyer <thomas@...3r.de>
Acked-by: Hauke Mehrtens <hauke@...ke-m.de>

> diff -u -p a/arch/mips/bcm47xx/sprom.c b/arch/mips/bcm47xx/sprom.c
> --- a/arch/mips/bcm47xx/sprom.c
> +++ b/arch/mips/bcm47xx/sprom.c
> @@ -162,7 +162,7 @@ static void nvram_read_alpha2(const char
>  		pr_warn("alpha2 is too long %s\n", buf);
>  		return;
>  	}
> -	memcpy(val, buf, sizeof(val));
> +	memcpy(val, buf, sizeof(*val));
>  }
>  
>  static void bcm47xx_fill_sprom_r1234589(struct ssb_sprom *sprom,
> 

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