From 96a5aa721df8e740f8d33fe7eae18acc157a000d Mon Sep 17 00:00:00 2001 From: Eric Biggers Date: Fri, 1 May 2020 22:31:14 -0700 Subject: 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 Cc: Krzysztof Opasiak Signed-off-by: Eric Biggers Signed-off-by: Herbert Xu --- drivers/nfc/s3fwrn5/firmware.c | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-) (limited to 'drivers/nfc') diff --git a/drivers/nfc/s3fwrn5/firmware.c b/drivers/nfc/s3fwrn5/firmware.c index de613c623a2c..69857f080704 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) { -- cgit v1.2.3