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nfc: s3fwrn5: use crypto_shash_tfm_digest() 

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>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Eric Biggers 2020-05-01 22:31:14 -07:00 committed by Herbert Xu
parent ecca1ad60c
commit 96a5aa721d
1 changed files with 1 additions and 9 deletions
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10
drivers/nfc/s3fwrn5/firmware.c
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@ -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) {