linux-kernel - [PATCH 5.8 48/99] nvme-tcp: fix kconfig dependency warning when !CRYPTO

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Message-Id: <20200929105932.092189273@linuxfoundation.org>
Date:   Tue, 29 Sep 2020 13:01:31 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Necip Fazil Yildiran <fazilyildiran@...il.com>,
        Sagi Grimberg <sagi@...mberg.me>,
        Christoph Hellwig <hch@....de>, Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.8 48/99] nvme-tcp: fix kconfig dependency warning when !CRYPTO

From: Necip Fazil Yildiran <fazilyildiran@...il.com>

[ Upstream commit af5ad17854f96a6d3c9775e776bd01ab262672a1 ]

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 <fazilyildiran@...il.com>
Reviewed-by: Sagi Grimberg <sagi@...mberg.me>
Signed-off-by: Christoph Hellwig <hch@....de>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/nvme/host/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/nvme/host/Kconfig b/drivers/nvme/host/Kconfig
index 3ed9786b88d8e..a44d49d63968a 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 NVME_FABRICS
+	select CRYPTO
 	select CRYPTO_CRC32C
 	help
 	  This provides support for the NVMe over Fabrics protocol using
-- 
2.25.1