linux-kernel - Re: [PATCH v2 2/2] crypto: jitterentropy

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Date:	Wed, 27 Jan 2016 22:17:46 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	linux-arm-kernel@...ts.infradead.org,
	"David S. Miller" <davem@...emloft.net>,
	linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] crypto: jitterentropy - always select CRYPTO_RNG

On Tue, Jan 26, 2016 at 02:47:10PM +0100, Arnd Bergmann wrote:
> When building the jitterentropy driver by itself, we get a link error
> when CRYPTO_RNG is not enabled as well:
> 
> crypto/built-in.o: In function `jent_mod_init':
> jitterentropy-kcapi.c:(.init.text+0x98): undefined reference to `crypto_register_rng'
> crypto/built-in.o: In function `jent_mod_exit':
> jitterentropy-kcapi.c:(.exit.text+0x60): undefined reference to `crypto_unregister_rng'
> 
> This adds a 'select CRYPTO_RNG' to CRYPTO_JITTERENTROPY to ensure the API
> is always there when it's used, not just when DRBG is also enabled.
> CRYPTO_DRBG would set it implicitly through CRYPTO_JITTERENTROPY now,
> but this leaves it in place to make it explicit what the driver does.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Applied.
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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