[PATCH] Staging: rtl8192e: fix kconfig dependency on CRYPTO

[Julian Braha]

commit 1a3f343027d7f5a6475a019aa20be89795b8c8e0
Author: Julian Braha <julianbraha@xxxxxxxxx>
Date:   Fri Feb 19 17:02:24 2021 -0500

    staging: rtl8192e: fix kconfig dependency on CRYPTO
    
    When RTLLIB_CRYPTO_TKIP is enabled and CRYPTO is disabled,
    Kbuild gives the following warning:
    
    WARNING: unmet direct dependencies detected for CRYPTO_MICHAEL_MIC
      Depends on [n]: CRYPTO [=n]
      Selected by [m]:
      - RTLLIB_CRYPTO_TKIP [=m] && STAGING [=y] && RTLLIB [=m]
    
    WARNING: unmet direct dependencies detected for CRYPTO_LIB_ARC4
      Depends on [n]: CRYPTO [=n]
      Selected by [m]:
      - RTLLIB_CRYPTO_TKIP [=m] && STAGING [=y] && RTLLIB [=m]
      - RTLLIB_CRYPTO_WEP [=m] && STAGING [=y] && RTLLIB [=m]
    
    This is because RTLLIB_CRYPTO_TKIP selects CRYPTO_MICHAEL_MIC and CRYPTO_LIB_ARC4,
    without depending on or selecting CRYPTO, despite those config options
    being subordinate to CRYPTO.
    
    Signed-off-by: Julian Braha <julianbraha@xxxxxxxxx>

diff --git a/drivers/staging/rtl8192e/Kconfig b/drivers/staging/rtl8192e/Kconfig
index 03fcc23516fd..6e7d84ac06f5 100644
--- a/drivers/staging/rtl8192e/Kconfig
+++ b/drivers/staging/rtl8192e/Kconfig
@@ -26,6 +26,7 @@ config RTLLIB_CRYPTO_CCMP
 config RTLLIB_CRYPTO_TKIP
        tristate "Support for rtllib TKIP crypto"
        depends on RTLLIB
+      select CRYPTO
        select CRYPTO_LIB_ARC4
        select CRYPTO_MICHAEL_MIC
        default y