Эх сурвалжийг харах

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>
Ard Biesheuvel 10 жил өмнө
parent
commit
bf7883ebcb

+ 3 - 0
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)
 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);
 	kernel_neon_begin_partial(16);
 	sha1_base_do_finalize(desc, (sha1_block_fn *)sha1_ce_transform);
 	sha1_base_do_finalize(desc, (sha1_block_fn *)sha1_ce_transform);
 	kernel_neon_end();
 	kernel_neon_end();