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[20/20] ASoC: cros_ec_codec: use crypto_shash_tfm_digest()

Message ID 20200502053122.995648-21-ebiggers@kernel.org
State New
Headers show
Series crypto: introduce crypto_shash_tfm_digest() | expand

Commit Message

Eric Biggers May 2, 2020, 5:31 a.m. UTC 
From: Eric Biggers <ebiggers@google.com>

Instead of manually allocating a 'struct shash_desc' on the stack and
calling crypto_shash_digest(), switch to using the new helper function
crypto_shash_tfm_digest() which does this for us.

Cc: Cheng-Yi Chiang <cychiang@chromium.org>
Cc: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Cc: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Eric Biggers <ebiggers@google.com>
---
 sound/soc/codecs/cros_ec_codec.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)
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Patch

diff --git a/sound/soc/codecs/cros_ec_codec.c b/sound/soc/codecs/cros_ec_codec.c
index d3dc42aa682565..bfdd852bdc0de4 100644
--- a/sound/soc/codecs/cros_ec_codec.c
+++ b/sound/soc/codecs/cros_ec_codec.c
@@ -115,14 +115,7 @@  static int calculate_sha256(struct cros_ec_codec_priv *priv,
 		return PTR_ERR(tfm);
 	}
 
-	{
-		SHASH_DESC_ON_STACK(desc, tfm);
-
-		desc->tfm = tfm;
-
-		crypto_shash_digest(desc, buf, size, digest);
-		shash_desc_zero(desc);
-	}
+	crypto_shash_tfm_digest(tfm, buf, size, digest);
 
 	crypto_free_shash(tfm);