linux-kernel - [PATCH] net: wireless: fix unmet direct dependendices config warning when !CRYPTO

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Date:   Wed,  9 Sep 2020 12:54:53 +0300
From:   Necip Fazil Yildiran <fazilyildiran@...il.com>
To:     johannes@...solutions.net, davem@...emloft.net, kuba@...nel.org
Cc:     ard.biesheuvel@...aro.org, linux-wireless@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        paul@...zz.com, jeho@...utexas.edu,
        Necip Fazil Yildiran <fazilyildiran@...il.com>
Subject: [PATCH] net: wireless: fix unmet direct dependendices config warning when !CRYPTO

When LIB80211_CRYPT_CCMP is enabled and CRYPTO is disabled, it results in unmet
direct dependencies config warning. The reason is that LIB80211_CRYPT_CCMP
selects CRYPTO_AES and CRYPTO_CCM, which are subordinate to CRYPTO. This is
reproducible with CRYPTO disabled and R8188EU enabled, where R8188EU selects
LIB80211_CRYPT_CCMP but does not select or depend on CRYPTO.

Honor the kconfig menu hierarchy to remove kconfig dependency warnings.

Fixes: a11e2f85481c ("lib80211: use crypto API ccm(aes) transform for CCMP processing")
Signed-off-by: Necip Fazil Yildiran <fazilyildiran@...il.com>
---
 net/wireless/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/wireless/Kconfig b/net/wireless/Kconfig
index faf74850a1b5..27026f587fa6 100644
--- a/net/wireless/Kconfig
+++ b/net/wireless/Kconfig
@@ -217,6 +217,7 @@ config LIB80211_CRYPT_WEP

 config LIB80211_CRYPT_CCMP
 	tristate
+	select CRYPTO
 	select CRYPTO_AES
 	select CRYPTO_CCM

-- 
2.25.1