From: Iuliana Prodan <iuliana.prodan@nxp.com>
Date: Wed, 31 Jul 2019 13:08:15 +0000 (+0300)
Subject: crypto: caam - change return value in case CAAM has no MDHA
X-Git-Tag: v5.4-rc1~132^2~191
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=0435d47e2627b76b6dfb59e2e95ffed7232bd0ed;p=linux.git

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@nxp.com>
Reviewed-by: Horia Geanta <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c
index ed1931f97df1..8a07edb45dad 100644
--- a/drivers/crypto/caam/caamhash.c
+++ b/drivers/crypto/caam/caamhash.c
@@ -2007,7 +2007,7 @@ 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)