Re: [PATCH] firmware_loader: rework crypto dependencies

From: Herbert Xu
Date: Fri Apr 14 2023 - 04:54:40 EST


On Fri, Apr 14, 2023 at 10:03:07AM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@xxxxxxxx>
>
> 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@xxxxxxxx>
> ---
> 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@xxxxxxxxxxxxxxxxxxx>

Thanks,
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt