linux-kernel - Re: [PATCH -next] digsig: fix build errors

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Date:	Mon, 21 Nov 2011 12:32:48 +0200
From:	"Kasatkin, Dmitry" <dmitry.kasatkin@...el.com>
To:	Randy Dunlap <rdunlap@...otime.net>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	Linux Crypto Mailing List <linux-crypto@...r.kernel.org>
Subject: Re: [PATCH -next] digsig: fix build errors

On Mon, Nov 21, 2011 at 8:12 AM, Randy Dunlap <rdunlap@...otime.net> wrote:
> From: Randy Dunlap <rdunlap@...otime.net>
>
> Fix build errors by adding kconfig dependency on KEYS:
>
> lib/digsig.c:106:16: error: dereferencing pointer to incomplete type
> lib/digsig.c:107:11: error: dereferencing pointer to incomplete type
> lib/digsig.c:184:14: error: dereferencing pointer to incomplete type
> lib/digsig.c:223:3: error: 'key_ref_t' undeclared (first use in this function)
> lib/digsig.c:223:13: error: expected ';' before 'kref'
> lib/digsig.c:224:3: error: 'kref' undeclared (first use in this function)
> lib/digsig.c:224:3: error: implicit declaration of function 'keyring_search'
> lib/digsig.c:231:3: error: implicit declaration of function 'request_key'
>
> and after changing lib/Kconfig:
> warning: (INTEGRITY_DIGSIG) selects DIGSIG which has unmet direct dependencies (CRYPTO && KEYS)
>
> Signed-off-by: Randy Dunlap <rdunlap@...otime.net>
> Cc: Dmitry Kasatkin <dmitry.kasatkin@...el.com>
> ---
>  lib/Kconfig                |    4 ++--
>  security/integrity/Kconfig |    2 +-
>  2 files changed, 3 insertions(+), 3 deletions(-)
>
> --- next-2011-1121.orig/lib/Kconfig
> +++ next-2011-1121/lib/Kconfig
> @@ -294,10 +294,10 @@ config MPILIB_EXTRA
>
>  config DIGSIG
>        tristate "In-kernel signature checker"
> -       depends on CRYPTO
> +       depends on CRYPTO && KEYS

this patch was in /crypto dir before, now it is in /lib...
I think CRYPTO is not needed at all at the moment..


>        select MPILIB
>        help
>          Digital signature verification. Currently only RSA is supported.
> -         Implementation is done using GnuPG MPI library
> +         Implementation is done using GnuPG MPI library.
>
>  endmenu
> --- next-2011-1121.orig/security/integrity/Kconfig
> +++ next-2011-1121/security/integrity/Kconfig
> @@ -5,7 +5,7 @@ config INTEGRITY
>
>  config INTEGRITY_DIGSIG
>        boolean "Digital signature verification using multiple keyrings"
> -       depends on INTEGRITY
> +       depends on INTEGRITY && CRYPTO && KEYS

Is it really needed, because 2 lines bellow is "select DIGSIG", which
will depend on KEYS??


>        default n
>        select DIGSIG
>        help
>

Thanks!
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