Re: [PATCH] ipsec: select CRYPTO_HASH for xfrm_algo

[Herbert Xu]

On Tue, Jun 18, 2019 at 09:14:51AM +0200, Arnd Bergmann wrote:
> kernelci.org reports failed builds on arc because of what looks
> like an old missed 'select' statement:
> 
> net/xfrm/xfrm_algo.o: In function `xfrm_probe_algs':
> xfrm_algo.c:(.text+0x1e8): undefined reference to `crypto_has_ahash'
> 
> I don't see this in randconfig builds on other architectures, but
> it's fairly clear we want to select the hash code for it, like we
> do for all its other users.
> 
> Fixes: 17bc19702221 ("ipsec: Use skcipher and ahash when probing algorithms")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
>  net/xfrm/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/net/xfrm/Kconfig b/net/xfrm/Kconfig
> index c967fc3c38c8..a5c967efe5f4 100644
> --- a/net/xfrm/Kconfig
> +++ b/net/xfrm/Kconfig
> @@ -15,6 +15,7 @@ config XFRM_ALGO
>  	tristate
>  	select XFRM
>  	select CRYPTO
> +	select CRYPTO_HASH

You should also select CRYPTO_BLKCIPHER.

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