[PATCH v2 1/1] crypto: stm32/hash - Fix return issue on update

From: lionel.debieve
Date: Mon Nov 06 2017 - 17:43:22 EST


From: Lionel Debieve <lionel.debieve@xxxxxx>

When data append reached the threshold for processing,
we must inform that processing is on going to wait before
managing the next request.

Signed-off-by: Lionel Debieve <lionel.debieve@xxxxxx>
---
drivers/crypto/stm32/stm32-hash.c | 8 +-------
1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/drivers/crypto/stm32/stm32-hash.c b/drivers/crypto/stm32/stm32-hash.c
index c462be7..4ca4a26 100644
--- a/drivers/crypto/stm32/stm32-hash.c
+++ b/drivers/crypto/stm32/stm32-hash.c
@@ -895,7 +895,6 @@ static int stm32_hash_enqueue(struct ahash_request *req, unsigned int op)
static int stm32_hash_update(struct ahash_request *req)
{
struct stm32_hash_request_ctx *rctx = ahash_request_ctx(req);
- int ret;

if (!req->nbytes || !(rctx->flags & HASH_FLAGS_CPU))
return 0;
@@ -909,12 +908,7 @@ static int stm32_hash_update(struct ahash_request *req)
return 0;
}

- ret = stm32_hash_enqueue(req, HASH_OP_UPDATE);
-
- if (rctx->flags & HASH_FLAGS_FINUP)
- return ret;
-
- return 0;
+ return stm32_hash_enqueue(req, HASH_OP_UPDATE);
}

static int stm32_hash_final(struct ahash_request *req)
--
2.7.4