Commit ec59a65d authored May 06, 2015 by Ard Biesheuvel Committed by Herbert Xu May 07, 2015

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>

parent bf7883eb

arch/arm64/crypto/sha2-ce-glue.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -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();