linux-kernel - Re: [PATCH 3/4] DRBG: Fix format string for debugging statements

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Date:	Sun, 29 Jun 2014 12:24:02 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Stephan Mueller <smueller@...onox.de>
Cc:	Herbert Xu <herbert@...dor.apana.org.au>,
	kbuild test robot <fengguang.wu@...el.com>, kbuild@...org,
	Dan Carpenter <dan.carpenter@...cle.com>,
	linux-crypto@...r.kernel.org, Randy Dunlap <rdunlap@...radead.org>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/4] DRBG: Fix format string for debugging statements

Hi Stephan,

On Sat, 28 Jun 2014 22:01:46 +0200 Stephan Mueller <smueller@...onox.de> wrote:
>
> @@ -1987,8 +1987,9 @@ static int __init drbg_init(void)
>  
>  	if (ARRAY_SIZE(drbg_cores) * 2 > ARRAY_SIZE(drbg_algs)) {
>  		pr_info("DRBG: Cannot register all DRBG types"
> -			"(slots needed: %lu, slots available: %lu)\n",
> -			ARRAY_SIZE(drbg_cores) * 2, ARRAY_SIZE(drbg_algs));
> +			"(slots needed: %u, slots available: %u)\n",
> +			(unsigned int)ARRAY_SIZE(drbg_cores) * 2,
> +			(unsigned int)ARRAY_SIZE(drbg_algs));

Doesn't ARRAY_SIZE() always return a size_t?  In which case surely we
need no casts, but need to us %zu in the format string.

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au
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