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Message-ID: <ZDkUowCa9ft1x6FH@gondor.apana.org.au>
Date:   Fri, 14 Apr 2023 16:53:55 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     Luis Chamberlain <mcgrof@...nel.org>,
        Russ Weight <russell.h.weight@...el.com>,
        linux-crypto@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Tianfei zhang <tianfei.zhang@...el.com>,
        Cezary Rojewski <cezary.rojewski@...el.com>,
        Amadeusz Sławiński 
        <amadeuszx.slawinski@...ux.intel.com>,
        Takashi Iwai <tiwai@...e.de>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] firmware_loader: rework crypto dependencies

On Fri, Apr 14, 2023 at 10:03:07AM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> The crypto dependencies for the firmwware loader are incomplete,
> in particular a built-in FW_LOADER fails to link against a modular
> crypto hash driver:
> 
> ld.lld: error: undefined symbol: crypto_alloc_shash
> ld.lld: error: undefined symbol: crypto_shash_digest
> ld.lld: error: undefined symbol: crypto_destroy_tfm
> >>> referenced by main.c
> >>>               drivers/base/firmware_loader/main.o:(fw_log_firmware_info) in archive vmlinux.a
> 
> Rework this to use the usual 'select' from the driver module,
> to respect the built-in vs module dependencies, and add a
> more verbose crypto dependency to the debug option to prevent
> configurations that lead to a link failure.
> 
> Fixes: 02fe26f25325 ("firmware_loader: Add debug message with checksum for FW file")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
> Tested on a few hundred randconfig builds
> ---
>  drivers/base/firmware_loader/Kconfig | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)

Acked-by: Herbert Xu <herbert@...dor.apana.org.au>

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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