[PATCH] evm: EVM_LOAD_X509 depends on EVM

[Arnd Bergmann]

The newly added EVM_LOAD_X509 code can be configured even if
CONFIG_EVM is disabled, but that causes a link error:

security/built-in.o: In function `integrity_load_keys':
digsig_asymmetric.c:(.init.text+0x400): undefined reference to `evm_load_x509'

This adds a Kconfig dependency to ensure it is only enabled when
CONFIG_EVM is set as well.

Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Fixes: 7f753c992343 ("evm: load x509 certificate from the kernel")
---
Found on yesterday's linux-next with ARM randconfig builds

diff --git a/security/integrity/evm/Kconfig b/security/integrity/evm/Kconfig
index b1433e9cd8cb..87e83adf4c6e 100644
--- a/security/integrity/evm/Kconfig
+++ b/security/integrity/evm/Kconfig
@@ -44,7 +44,7 @@ config EVM_EXTRA_SMACK_XATTRS
 
 config EVM_LOAD_X509
 	bool "Load X509 certificate to the '.evm' trusted keyring"
-	depends on INTEGRITY_TRUSTED_KEYRING
+	depends on EVM && INTEGRITY_TRUSTED_KEYRING
 	default n
 	help
 	   Load X509 certificate to the '.evm' trusted keyring.

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