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Subject[PATCH] nvme: tcp: fix kconfig dependency warning when !CRYPTO
When NVME_TCP is enabled and CRYPTO is disabled, it results in the
following Kbuild warning:

WARNING: unmet direct dependencies detected for CRYPTO_CRC32C
Depends on [n]: CRYPTO [=n]
Selected by [y]:
- NVME_TCP [=y] && INET [=y] && BLK_DEV_NVME [=y]

The reason is that NVME_TCP selects CRYPTO_CRC32C without depending on or
selecting CRYPTO while CRYPTO_CRC32C is subordinate to CRYPTO.

Honor the kconfig menu hierarchy to remove kconfig dependency warnings.

Fixes: 79fd751d61aa ("nvme: tcp: selects CRYPTO_CRC32C for nvme-tcp")
Signed-off-by: Necip Fazil Yildiran <>
drivers/nvme/host/Kconfig | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/nvme/host/Kconfig b/drivers/nvme/host/Kconfig
index 3ed9786b88d8..a44d49d63968 100644
--- a/drivers/nvme/host/Kconfig
+++ b/drivers/nvme/host/Kconfig
@@ -73,6 +73,7 @@ config NVME_TCP
depends on INET
depends on BLK_DEV_NVME
+ select CRYPTO
select CRYPTO_CRC32C
This provides support for the NVMe over Fabrics protocol using
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