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crypto: arm64/aes-ce - really hide slower algos when faster ones are enabled

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[ Upstream commit 15deb4333c ]

Commit 69b6f2e817 ("crypto: arm64/aes-neon - limit exposed routines if
faster driver is enabled") intended to hide modes from the plain NEON
driver that are also implemented by the faster bit sliced NEON one if
both are enabled. However, the defined() CPP function does not detect
if the bit sliced NEON driver is enabled as a module. So instead, let's
use IS_ENABLED() here.

Fixes: 69b6f2e817 ("crypto: arm64/aes-neon - limit exposed routines if ...")
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ard Biesheuvel
2020-12-17 19:55:15 +01:00
committed by Greg Kroah-Hartman
parent 2f7287fbcb
commit 39e0bddeff
1 changed files with 2 additions and 2 deletions
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4
arch/arm64/crypto/aes-glue.c
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@@ -55,7 +55,7 @@ MODULE_DESCRIPTION("AES-ECB/CBC/CTR/XTS using ARMv8 Crypto Extensions");
#define aes_mac_update neon_aes_mac_update
MODULE_DESCRIPTION("AES-ECB/CBC/CTR/XTS using ARMv8 NEON");
#endif
#if defined(USE_V8_CRYPTO_EXTENSIONS) || !defined(CONFIG_CRYPTO_AES_ARM64_BS)
#if defined(USE_V8_CRYPTO_EXTENSIONS) || !IS_ENABLED(CONFIG_CRYPTO_AES_ARM64_BS)
MODULE_ALIAS_CRYPTO("ecb(aes)");
MODULE_ALIAS_CRYPTO("cbc(aes)");
MODULE_ALIAS_CRYPTO("ctr(aes)");
@@ -650,7 +650,7 @@ static int __maybe_unused xts_decrypt(struct skcipher_request *req)
}
static struct skcipher_alg aes_algs[] = { {
#if defined(USE_V8_CRYPTO_EXTENSIONS) || !defined(CONFIG_CRYPTO_AES_ARM64_BS)
#if defined(USE_V8_CRYPTO_EXTENSIONS) || !IS_ENABLED(CONFIG_CRYPTO_AES_ARM64_BS)
.base = {
.cra_name = "__ecb(aes)",
.cra_driver_name = "__ecb-aes-" MODE,