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crypto: arm64/sha2-ce - prevent asm code finalization in final() path 

Ensure that the asm code finalization path is not triggered when
invoked via final(), since it already takes care of that itself.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
hifive-unleashed-5.1
Ard Biesheuvel 2015-05-06 15:54:32 +02:00 committed by Herbert Xu
parent bf7883ebcb
commit ec59a65d69
1 changed files with 3 additions and 0 deletions
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arch/arm64/crypto/sha2-ce-glue.c
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@ -75,6 +75,9 @@ static int sha256_ce_finup(struct shash_desc *desc, const u8 *data,
static int sha256_ce_final(struct shash_desc *desc, u8 *out)
{
struct sha256_ce_state *sctx = shash_desc_ctx(desc);
sctx->finalize = 0;
kernel_neon_begin_partial(28);
sha256_base_do_finalize(desc, (sha256_block_fn *)sha2_ce_transform);
kernel_neon_end();