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[PATCH 3.16 105/305] crypto: public_key: select CRYPTO_AKCIPHER

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  [PATCH 3.16 105/305] crypto: public_key: select CRYPTO_AKCIPHER Ben Hutchings <ben@decadent.org.uk> - 2016-08-14 13:30 +0200

#1461933 — [PATCH 3.16 105/305] crypto: public_key: select CRYPTO_AKCIPHER

3.16.37-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Arnd Bergmann <arnd@arndb.de>

commit bad6a185b4d6f81d0ed2b6e4c16307969f160b95 upstream.

In some rare randconfig builds, we can end up with
ASYMMETRIC_PUBLIC_KEY_SUBTYPE enabled but CRYPTO_AKCIPHER disabled,
which fails to link because of the reference to crypto_alloc_akcipher:

crypto/built-in.o: In function `public_key_verify_signature':
:(.text+0x110e4): undefined reference to `crypto_alloc_akcipher'

This adds a Kconfig 'select' statement to ensure the dependency
is always there.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
 crypto/asymmetric_keys/Kconfig | 1 +
 1 file changed, 1 insertion(+)

--- a/crypto/asymmetric_keys/Kconfig
+++ b/crypto/asymmetric_keys/Kconfig
@@ -14,6 +14,7 @@ config ASYMMETRIC_PUBLIC_KEY_SUBTYPE
 	select MPILIB
 	select PUBLIC_KEY_ALGO_RSA
 	select CRYPTO_HASH_INFO
+	select CRYPTO_AKCIPHER
 	help
 	  This option provides support for asymmetric public key type handling.
 	  If signature generation and/or verification are to be used,

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