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crypto: chacha20-generic - don't unnecessarily use atomic walk 

chacha20-generic doesn't use SIMD instructions or otherwise disable
preemption, so passing atomic=true to skcipher_walk_virt() is
unnecessary.

Suggested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Martin Willi <martin@strongswan.org>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Eric Biggers 2018-11-16 17:26:19 -08:00 committed by Herbert Xu
parent dd333449d0
commit 5e04542a0e
1 changed files with 1 additions and 1 deletions
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2
crypto/chacha20_generic.c
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@ -81,7 +81,7 @@ int crypto_chacha20_crypt(struct skcipher_request *req)
u32 state[16];
int err;
err = skcipher_walk_virt(&walk, req, true);
err = skcipher_walk_virt(&walk, req, false);
crypto_chacha20_init(state, ctx, walk.iv);