linux-kernel - Re: [build bug] ./drivers/crypto/hifn

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Date:	Sat, 26 Jan 2008 00:51:31 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Herbert Xu <herbert@...dor.apana.org.au>
Subject: Re: [build bug] ./drivers/crypto/hifn_795x.c


* Ingo Molnar <mingo@...e.hu> wrote:

> randconfig testing found this (post-v2.6.24) build bug:
> 
>  drivers/built-in.o: In function `hifn_unregister_rng':
>  hifn_795x.c:(.text+0x17bbd9): undefined reference to `hwrng_unregister'
>  drivers/built-in.o: In function `hifn_probe':
>  hifn_795x.c:(.text+0x17df70): undefined reference to `hwrng_register'
> 
> config attached.

find a workaround below - but i'm not sure it's the right one.

	Ingo

Index: linux/drivers/crypto/Kconfig
===================================================================
--- linux.orig/drivers/crypto/Kconfig
+++ linux/drivers/crypto/Kconfig
@@ -89,6 +89,7 @@ config CRYPTO_DEV_HIFN_795X
 	select CRYPTO_ALGAPI
 	select CRYPTO_BLKCIPHER
 	depends on PCI
+	depends on DEV_HIFN_795X = HW_RANDOM
 	help
 	  This option allows you to have support for HIFN 795x crypto adapters.
 
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