[PATCH 1/2] crypto: stm32/hash: Fix hmac issue more than 256 bytes

[Lionel Debieve]

Correct condition for the second hmac loop. Key must be only
set in the first loop. Initial condition was wrong,
HMAC_KEY flag was not properly checked.

Signed-off-by: Lionel Debieve <lionel.debi...@st.com>
---
 drivers/crypto/stm32/stm32-hash.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/crypto/stm32/stm32-hash.c 
b/drivers/crypto/stm32/stm32-hash.c
index 29519d1c403f..c37d1a336f98 100644
--- a/drivers/crypto/stm32/stm32-hash.c
+++ b/drivers/crypto/stm32/stm32-hash.c
@@ -349,7 +349,7 @@ static int stm32_hash_xmit_cpu(struct stm32_hash_dev *hdev,
                return -ETIMEDOUT;
 
        if ((hdev->flags & HASH_FLAGS_HMAC) &&
-           (hdev->flags & ~HASH_FLAGS_HMAC_KEY)) {
+           (!(hdev->flags & HASH_FLAGS_HMAC_KEY))) {
                hdev->flags |= HASH_FLAGS_HMAC_KEY;
                stm32_hash_write_key(hdev);
                if (stm32_hash_wait_busy(hdev))
-- 
2.17.1