From: Lionel Debieve lionel.debieve@st.com
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@st.com Signed-off-by: Herbert Xu herbert@gondor.apana.org.au Cc: stable stable@vger.kernel.org # 4.19+ Signed-off-by: Mathieu Poirier mathieu.poirier@linaro.org --- 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))