fs: nfsd: fix kconfig dependency warning for NFSD_V4

BugLink: https://bugs.launchpad.net/bugs/1923069
[ Upstream commit 7005227369079963d25fb2d5d736d0feb2c44cf6 ]

When NFSD_V4 is enabled and CRYPTO is disabled,
Kbuild gives the following warning:

WARNING: unmet direct dependencies detected for CRYPTO_SHA256
  Depends on [n]: CRYPTO [=n]
  Selected by [y]:
  - NFSD_V4 [=y] && NETWORK_FILESYSTEMS [=y] && NFSD [=y] && PROC_FS [=y]

WARNING: unmet direct dependencies detected for CRYPTO_MD5
  Depends on [n]: CRYPTO [=n]
  Selected by [y]:
  - NFSD_V4 [=y] && NETWORK_FILESYSTEMS [=y] && NFSD [=y] && PROC_FS [=y]

This is because NFSD_V4 selects CRYPTO_MD5 and CRYPTO_SHA256,
without depending on or selecting CRYPTO, despite those config options
being subordinate to CRYPTO.

Signed-off-by: Julian Braha <julianbraha@gmail.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Andrea Righi <andrea.righi@canonical.com>

diff --git a/fs/nfsd/Kconfig b/fs/nfsd/Kconfig
index dbbc583d627306d7fa871037e2e008998307c211..248f1459c0399b821e6c1b6a6b9189adc5af551d 100644 (file)
--- a/fs/nfsd/Kconfig
+++ b/fs/nfsd/Kconfig
@@ -73,6 +73,7 @@ config NFSD_V4
        select NFSD_V3
        select FS_POSIX_ACL
        select SUNRPC_GSS
+       select CRYPTO
        select CRYPTO_MD5
        select CRYPTO_SHA256
        select GRACE_PERIOD