linux-kernel - Re: [PATCH v3] crypto: atmel: fix bogus select

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:	Mon, 23 Nov 2015 21:05:10 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	linux-crypto@...r.kernel.org, Leilei Zhao <leilei.zhao@...el.com>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	linux-arm-kernel@...ts.infradead.org,
	Ludovic Desroches <ludovic.desroches@...el.com>,
	linux-kernel@...r.kernel.org,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
Subject: Re: [PATCH v3] crypto: atmel: fix bogus select

On Wed, Nov 18, 2015 at 04:33:54PM +0100, Arnd Bergmann wrote:
> >From 0d53d42a56e9a3769847fd03c703876f2c063fb4 Mon Sep 17 00:00:00 2001
> From: Arnd Bergmann <arnd@...db.de>
> Date: Tue, 27 Jan 2015 22:34:04 +0100
> Subject: [PATCH] [SUBMITTED] crypto: atmel: fix bogus select
> 
> The Atmel at91 crypto driver unconditionally selects AT_HDMAC,
> which results in a Kconfig warning if that driver is not enabled:
> 
> warning: (CRYPTO_DEV_ATMEL_AES) selects AT_HDMAC which has unmet direct dependencies (DMADEVICES && ARCH_AT91)
> 
> The crypto driver itself does not actually have a dependency
> on a particular dma engine, other than this being the one that
> is used in at91.
> 
> Removing the 'select' gets rid of the warning, but can cause
> the driver to be unusable if the HDMAC is not enabled at the
> same time. To work around that, this patch clarifies the runtime
> dependency to be 'AT_HDMAC || AT_XDMAC', but adds an alternative
> for COMPILE_TEST, which lets the driver get build on all systems.
> 
> The ARCH_AT91 dependency is implied by AT_XDMAC || AT_HDMAC now
> and no longer needs to be listed separately.
> 
> 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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/