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[12/20] nfc: s3fwrn5: use crypto_shash_tfm_digest()

Message ID 20200502053122.995648-13-ebiggers@kernel.org (mailing list archive)
State Accepted
Delegated to: Herbert Xu
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: Robert Baldyga <r.baldyga@samsung.com>
Cc: Krzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
---
 drivers/nfc/s3fwrn5/firmware.c | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)
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Patch

diff --git a/drivers/nfc/s3fwrn5/firmware.c b/drivers/nfc/s3fwrn5/firmware.c
index de613c623a2cf0..69857f0807040c 100644
--- a/drivers/nfc/s3fwrn5/firmware.c
+++ b/drivers/nfc/s3fwrn5/firmware.c
@@ -434,15 +434,7 @@  int s3fwrn5_fw_download(struct s3fwrn5_fw_info *fw_info)
 		goto out;
 	}
 
-	{
-		SHASH_DESC_ON_STACK(desc, tfm);
-
-		desc->tfm = tfm;
-
-		ret = crypto_shash_digest(desc, fw->image, image_size,
-					  hash_data);
-		shash_desc_zero(desc);
-	}
+	ret = crypto_shash_tfm_digest(tfm, fw->image, image_size, hash_data);
 
 	crypto_free_shash(tfm);
 	if (ret) {