From: Lionel Debieve <lionel.debieve@xxxxxx>
commit 0acabecebc912b3ba06289e4ef40476acc499a37 upstream
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.debieve@xxxxxx>
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Cc: stable <stable@xxxxxxxxxxxxxxx> # 4.19
Signed-off-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
---
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 590d7352837e..641b11077f47 100644
--- a/drivers/crypto/stm32/stm32-hash.c
+++ b/drivers/crypto/stm32/stm32-hash.c
@@ -365,7 +365,7 @@ 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
