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ipsec: select crypto ciphers for xfrm_algo

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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. As Herbert points out, CRYPTO_BLKCIPHER
is also required even though it has not popped up in build tests.

Fixes: 17bc197022 ("ipsec: Use skcipher and ahash when probing algorithms")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
This commit is contained in:
Arnd Bergmann 2019-06-18 13:22:13 +02:00 committed by Steffen Klassert
parent b8d6d00797
commit 597179b0ba
1 changed files with 2 additions and 0 deletions
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net/xfrm/Kconfig
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@ -14,6 +14,8 @@ config XFRM_ALGO
tristate
select XFRM
select CRYPTO
select CRYPTO_HASH
select CRYPTO_BLKCIPHER
if INET
config XFRM_USER