linux-kernel - [PATCH 1/1] crypto: testmgr - call shash

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Date:   Mon, 1 Apr 2019 14:54:24 +0200
From:   Lionel Debieve <lionel.debieve@...com>
To:     Herbert Xu <herbert@...dor.apana.org.au>,
        "David S . Miller" <davem@...emloft.net>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        "Alexandre Torgue" <alexandre.torgue@...com>,
        <linux-crypto@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     Benjamin Gaignard <benjamin.gaignard@...com>,
        Fabien Dessenne <fabien.dessenne@...com>,
        Ludovic Barre <ludovic.barre@...com>,
        <linux-stm32@...md-mailman.stormreply.com>
Subject: [PATCH 1/1] crypto: testmgr - call shash_init in crc32c algo

In case of device call required in low level driver,
the context must be initialized before calling the final
function.

Signed-off-by: Lionel Debieve <lionel.debieve@...com>
---
 crypto/testmgr.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/crypto/testmgr.c b/crypto/testmgr.c
index 8386038..4a00d7c 100644
--- a/crypto/testmgr.c
+++ b/crypto/testmgr.c
@@ -2181,6 +2181,13 @@ static int alg_test_crc32c(const struct alg_test_desc *desc,
 		shash->tfm = tfm;
 		shash->flags = 0;
 
+		err = crypto_shash_init(shash);
+		if (err) {
+			printk(KERN_ERR "alg: crc32c: init failed for "
+			       "%s: %d\n", driver, err);
+			break;
+		}
+
 		*ctx = 420553207;
 		err = crypto_shash_final(shash, (u8 *)&val);
 		if (err) {
-- 
2.7.4