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35 lines
1.3 KiB
Diff
35 lines
1.3 KiB
Diff
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From 1ad0f1603a6b2afb62a1c065409aaa4e43ca7627 Mon Sep 17 00:00:00 2001
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From: Eric Biggers <ebiggers@google.com>
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Date: Wed, 14 Nov 2018 12:19:39 -0800
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Subject: [PATCH 03/15] crypto: drop mask=CRYPTO_ALG_ASYNC from 'cipher' tfm
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allocations
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'cipher' algorithms (single block ciphers) are always synchronous, so
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passing CRYPTO_ALG_ASYNC in the mask to crypto_alloc_cipher() has no
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effect. Many users therefore already don't pass it, but some still do.
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This inconsistency can cause confusion, especially since the way the
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'mask' argument works is somewhat counterintuitive.
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Thus, just remove the unneeded CRYPTO_ALG_ASYNC flags.
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This patch shouldn't change any actual behavior.
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Signed-off-by: Eric Biggers <ebiggers@google.com>
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Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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---
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drivers/crypto/amcc/crypto4xx_alg.c | 3 +--
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1 file changed, 1 insertion(+), 2 deletions(-)
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--- a/drivers/crypto/amcc/crypto4xx_alg.c
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+++ b/drivers/crypto/amcc/crypto4xx_alg.c
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@@ -520,8 +520,7 @@ static int crypto4xx_compute_gcm_hash_ke
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uint8_t src[16] = { 0 };
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int rc = 0;
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- aes_tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC |
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- CRYPTO_ALG_NEED_FALLBACK);
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+ aes_tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_NEED_FALLBACK);
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if (IS_ERR(aes_tfm)) {
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rc = PTR_ERR(aes_tfm);
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pr_warn("could not load aes cipher driver: %d\n", rc);
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