linux-kernel - Re: [PATCH] crypto: atmel: fix 64-bit warnings

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Date:	Mon, 23 Nov 2015 21:01:49 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	"David S. Miller" <davem@...emloft.net>,
	linux-crypto@...r.kernel.org, Leilei Zhao <leilei.zhao@...el.com>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	Nicolas Royer <nicolas@...rea.com>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] crypto: atmel: fix 64-bit warnings

On Tue, Nov 17, 2015 at 10:22:06AM +0100, Arnd Bergmann wrote:
> The atmel AES driver assumes that 'int' and 'size_t' are the same
> type in multiple locations, which the compiler warns about when
> building it for 64-bit systems:
> 
> In file included from ../drivers/crypto/atmel-aes.c:17:0:
> drivers/crypto/atmel-aes.c: In function 'atmel_aes_sg_copy':
> include/linux/kernel.h:724:17: warning: comparison of distinct pointer types lacks a cast
> drivers/crypto/atmel-aes.c:448:11: note: in expansion of macro 'min'
> 
> drivers/crypto/atmel-aes.c: In function 'atmel_aes_crypt_dma_stop':
> include/linux/kern_levels.h:4:18: warning: format '%u' expects argument of type 'unsigned int', but argument 2 has type 'size_t {aka long unsigned int}' [-Wformat=]
> 
> This changes the format strings to use the %z modifier when printing
> a size_t, and makes sure that we use the correct size_t type where
> needed. In case of sg_dma_len(), the type of the result depends
> on CONFIG_NEED_SG_DMA_LENGTH, so we have to use min_t to get it to
> work in all configurations.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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