crypto: arm64/sha1-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>

diff --git a/arch/arm64/crypto/sha1-ce-glue.c b/arch/arm64/crypto/sha1-ce-glue.c
index 114e7cc5de8c09b4eb75f6b11294e9c689d1ebbc..aefda9868627bde843227d1074e7cc9b17004298 100644 (file)
--- a/arch/arm64/crypto/sha1-ce-glue.c
+++ b/arch/arm64/crypto/sha1-ce-glue.c
@@ -74,6 +74,9 @@ static int sha1_ce_finup(struct shash_desc *desc, const u8 *data,
 
 static int sha1_ce_final(struct shash_desc *desc, u8 *out)
 {
+       struct sha1_ce_state *sctx = shash_desc_ctx(desc);
+
+       sctx->finalize = 0;
        kernel_neon_begin_partial(16);
        sha1_base_do_finalize(desc, (sha1_block_fn *)sha1_ce_transform);
        kernel_neon_end();