SS_ENCRYPTION is (0 << 7 = 0), so the test can never be true.
Use a direct comparison to SS_ENCRYPTION instead.

The same king of test is already done the same way in sun8i_ss_run_task().

Fixes: 359e893e8af4 ("crypto: sun8i-ss - rework handling of IV")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
Untested
---
 drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c
index 83c6dfad77e1..16966cc94e24 100644
--- a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c
+++ b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c
@@ -151,7 +151,7 @@ static int sun8i_ss_setup_ivs(struct skcipher_request *areq)
 		}
 		rctx->p_iv[i] = a;
 		/* we need to setup all others IVs only in the decrypt way */
-		if (rctx->op_dir & SS_ENCRYPTION)
+		if (rctx->op_dir == SS_ENCRYPTION)
 			return 0;
 		todo = min(len, sg_dma_len(sg));
 		len -= todo;
-- 
2.34.1

On Mon, Apr 17, 2023 at 10:25:09PM +0200, Christophe JAILLET wrote:
> SS_ENCRYPTION is (0 << 7 = 0), so the test can never be true.
> Use a direct comparison to SS_ENCRYPTION instead.
> 
> The same king of test is already done the same way in sun8i_ss_run_task().
> 
> Fixes: 359e893e8af4 ("crypto: sun8i-ss - rework handling of IV")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> ---
> Untested
> ---
>  drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt