linux-kernel - [PATCH] staging: rtl8192e: fix kconfig dependency warning for RTLLIB_CRYPTO

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Message-Id: <20200915094209.22664-1-fazilyildiran@gmail.com>
Date:   Tue, 15 Sep 2020 12:42:10 +0300
From:   Necip Fazil Yildiran <fazilyildiran@...il.com>
To:     gregkh@...uxfoundation.org
Cc:     Larry.Finger@...inger.net, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org, paul@...zz.com, jeho@...utexas.edu,
        Necip Fazil Yildiran <fazilyildiran@...il.com>
Subject: [PATCH] staging: rtl8192e: fix kconfig dependency warning for RTLLIB_CRYPTO_WEP

When RTLLIB_CRYPTO_WEP is enabled and CRYPTO is disabled, it results in
the following Kbuild warning:

WARNING: unmet direct dependencies detected for CRYPTO_ARC4
  Depends on [n]: CRYPTO [=n]
  Selected by [m]:
  - RTLLIB_CRYPTO_WEP [=m] && STAGING [=y] && RTLLIB [=m]

The reason is that RTLLIB_CRYPTO_WEP selects CRYPTO_ARC4 without depending
on or selecting CRYPTO while CRYPTO_ARC4 is subordinate to CRYPTO.

Honor the kconfig menu hierarchy to remove kconfig dependency warnings.

Fixes: e0e3daddad36 ("staging: r8192e: Fix possible error in configuration")
Signed-off-by: Necip Fazil Yildiran <fazilyildiran@...il.com>
---
 drivers/staging/rtl8192e/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/rtl8192e/Kconfig b/drivers/staging/rtl8192e/Kconfig
index 1007eea6c8fc..5ac06061cfce 100644
--- a/drivers/staging/rtl8192e/Kconfig
+++ b/drivers/staging/rtl8192e/Kconfig
@@ -35,6 +35,7 @@ config RTLLIB_CRYPTO_TKIP
 
 config RTLLIB_CRYPTO_WEP
 	tristate "Support for rtllib WEP crypto"
+	select CRYPTO
 	select CRYPTO_ARC4
 	depends on RTLLIB
 	default y
-- 
2.25.1