ipsec: select crypto ciphers for xfrm_algo
authorArnd Bergmann <arnd@arndb.de>
Tue, 18 Jun 2019 11:22:13 +0000 (13:22 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 4 Aug 2019 07:33:20 +0000 (09:33 +0200)
commitdfa3cee5e1dc0a606bfda0bd214c2aa5005dee45
tree7f74199f02c5bec11632dbedf7c505cd2cacce8a
parente5b06598f22d4311e6f2ee9f293fa1da1efb8069
ipsec: select crypto ciphers for xfrm_algo

[ Upstream commit 597179b0ba550bd83fab1a9d57c42a9343c58514 ]

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: 17bc19702221 ("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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
net/xfrm/Kconfig