linux-kernel - [PATCH 14/14] crypto: caam - change return value in case CAAM has no MDHA

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Date:   Thu, 18 Jul 2019 17:45:24 +0300
From:   Iuliana Prodan <iuliana.prodan@....com>
To:     Herbert Xu <herbert@...dor.apana.org.au>,
        Horia Geanta <horia.geanta@....com>,
        Aymen Sghaier <aymen.sghaier@....com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-imx <linux-imx@....com>
Subject: [PATCH 14/14] crypto: caam - change return value in case CAAM has no MDHA

To be consistent with other CAAM modules, caamhash should return 0
instead of -ENODEV in case CAAM has no MDHA.

Based on commit 1b46c90c8e00 ("crypto: caam - convert top level drivers to libraries")
the value returned by entry point is never checked and
the exit point is always executed.

Signed-off-by: Iuliana Prodan <iuliana.prodan@....com>
---
 drivers/crypto/caam/caamhash.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c
index e89913b..d4e047f 100644
--- a/drivers/crypto/caam/caamhash.c
+++ b/drivers/crypto/caam/caamhash.c
@@ -2008,7 +2008,7 @@ int caam_algapi_hash_init(struct device *ctrldev)
 	 * is not present.
 	 */
 	if (!md_inst)
-		return -ENODEV;
+		return 0;
 
 	/* Limit digest size based on LP256 */
 	if (md_vid == CHA_VER_VID_MD_LP256)
-- 
2.1.0