From: Tero Kristo <t-kristo@ti.com>
Date: Thu, 4 Aug 2016 10:28:46 +0000 (+0300)
Subject: crypto: omap-des - fix crypto engine initialization order
X-Git-Tag: v4.13~2119^2~40
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=1d1f98d180fff442f69813c278bb7c618687757b;p=mirror_ubuntu-bionic-kernel.git

crypto: omap-des - fix crypto engine initialization order

The crypto engine must be initialized before registering algorithms,
otherwise the test manager will crash as it attempts to execute
tests for the algos while they are being registered.

Fixes: f1b77aaca85a ("crypto: omap-des - Integrate with the crypto engine framework")
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/drivers/crypto/omap-des.c b/drivers/crypto/omap-des.c
index c0a28b1c66e4..2b20d960caa8 100644
--- a/drivers/crypto/omap-des.c
+++ b/drivers/crypto/omap-des.c
@@ -1079,6 +1079,17 @@ static int omap_des_probe(struct platform_device *pdev)
 	list_add_tail(&dd->list, &dev_list);
 	spin_unlock(&list_lock);
 
+	/* Initialize des crypto engine */
+	dd->engine = crypto_engine_alloc_init(dev, 1);
+	if (!dd->engine)
+		goto err_engine;
+
+	dd->engine->prepare_cipher_request = omap_des_prepare_req;
+	dd->engine->cipher_one_request = omap_des_crypt_req;
+	err = crypto_engine_start(dd->engine);
+	if (err)
+		goto err_engine;
+
 	for (i = 0; i < dd->pdata->algs_info_size; i++) {
 		for (j = 0; j < dd->pdata->algs_info[i].size; j++) {
 			algp = &dd->pdata->algs_info[i].algs_list[j];
@@ -1094,27 +1105,18 @@ static int omap_des_probe(struct platform_device *pdev)
 		}
 	}
 
-	/* Initialize des crypto engine */
-	dd->engine = crypto_engine_alloc_init(dev, 1);
-	if (!dd->engine)
-		goto err_algs;
-
-	dd->engine->prepare_cipher_request = omap_des_prepare_req;
-	dd->engine->cipher_one_request = omap_des_crypt_req;
-	err = crypto_engine_start(dd->engine);
-	if (err)
-		goto err_engine;
-
 	return 0;
 
-err_engine:
-	crypto_engine_exit(dd->engine);
 err_algs:
 	for (i = dd->pdata->algs_info_size - 1; i >= 0; i--)
 		for (j = dd->pdata->algs_info[i].registered - 1; j >= 0; j--)
 			crypto_unregister_alg(
 					&dd->pdata->algs_info[i].algs_list[j]);
 
+err_engine:
+	if (dd->engine)
+		crypto_engine_exit(dd->engine);
+
 	omap_des_dma_cleanup(dd);
 err_irq:
 	tasklet_kill(&dd->done_task);