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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/drivers/crypto/virtio/virtio_crypto_core.c
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@@ -1,19 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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  /* Driver for Virtio crypto device.
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   *
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   * Copyright 2016 HUAWEI TECHNOLOGIES CO., LTD.
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-  *
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-  * This program is free software; you can redistribute it and/or modify
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-  * it under the terms of the GNU General Public License as published by
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-  * the Free Software Foundation; either version 2 of the License, or
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-  * (at your option) any later version.
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-  *
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-  * This program is distributed in the hope that it will be useful,
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-  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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-  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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-  * GNU General Public License for more details.
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-  *
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-  * You should have received a copy of the GNU General Public License
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-  * along with this program; if not, see <http://www.gnu.org/licenses/>.
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   */
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6
 
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 #include <linux/err.h>
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@@ -29,7 +17,7 @@
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 virtcrypto_clear_request(struct virtio_crypto_request *vc_req)
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 {
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 	if (vc_req) {
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-		kzfree(vc_req->req_data);
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+		kfree_sensitive(vc_req->req_data);
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 		kfree(vc_req->sgs);
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 	}
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 }
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@@ -216,8 +204,8 @@
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 	u32 status;
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 	int err;
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-	virtio_cread(vcrypto->vdev,
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-	    struct virtio_crypto_config, status, &status);
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+	virtio_cread_le(vcrypto->vdev,
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+			struct virtio_crypto_config, status, &status);
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 	/*
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 	 * Unknown status bits would be a host error and the driver
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@@ -335,31 +323,31 @@
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 	if (!vcrypto)
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 		return -ENOMEM;
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-	virtio_cread(vdev, struct virtio_crypto_config,
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+	virtio_cread_le(vdev, struct virtio_crypto_config,
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 			max_dataqueues, &max_data_queues);
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 	if (max_data_queues < 1)
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 		max_data_queues = 1;
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-	virtio_cread(vdev, struct virtio_crypto_config,
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-		max_cipher_key_len, &max_cipher_key_len);
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-	virtio_cread(vdev, struct virtio_crypto_config,
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-		max_auth_key_len, &max_auth_key_len);
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-	virtio_cread(vdev, struct virtio_crypto_config,
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-		max_size, &max_size);
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-	virtio_cread(vdev, struct virtio_crypto_config,
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-		crypto_services, &crypto_services);
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-	virtio_cread(vdev, struct virtio_crypto_config,
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-		cipher_algo_l, &cipher_algo_l);
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-	virtio_cread(vdev, struct virtio_crypto_config,
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-		cipher_algo_h, &cipher_algo_h);
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-	virtio_cread(vdev, struct virtio_crypto_config,
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-		hash_algo, &hash_algo);
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-	virtio_cread(vdev, struct virtio_crypto_config,
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-		mac_algo_l, &mac_algo_l);
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-	virtio_cread(vdev, struct virtio_crypto_config,
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-		mac_algo_h, &mac_algo_h);
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-	virtio_cread(vdev, struct virtio_crypto_config,
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-		aead_algo, &aead_algo);
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+	virtio_cread_le(vdev, struct virtio_crypto_config,
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+			max_cipher_key_len, &max_cipher_key_len);
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+	virtio_cread_le(vdev, struct virtio_crypto_config,
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+			max_auth_key_len, &max_auth_key_len);
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+	virtio_cread_le(vdev, struct virtio_crypto_config,
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+			max_size, &max_size);
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+	virtio_cread_le(vdev, struct virtio_crypto_config,
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+			crypto_services, &crypto_services);
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+	virtio_cread_le(vdev, struct virtio_crypto_config,
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+			cipher_algo_l, &cipher_algo_l);
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+	virtio_cread_le(vdev, struct virtio_crypto_config,
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+			cipher_algo_h, &cipher_algo_h);
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+	virtio_cread_le(vdev, struct virtio_crypto_config,
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+			hash_algo, &hash_algo);
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+	virtio_cread_le(vdev, struct virtio_crypto_config,
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+			mac_algo_l, &mac_algo_l);
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+	virtio_cread_le(vdev, struct virtio_crypto_config,
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+			mac_algo_h, &mac_algo_h);
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+	virtio_cread_le(vdev, struct virtio_crypto_config,
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+			aead_algo, &aead_algo);
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 	/* Add virtio crypto device to global table */
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 	err = virtcrypto_devmgr_add_dev(vcrypto);
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@@ -510,11 +498,11 @@
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 }
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 #endif
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-static unsigned int features[] = {
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+static const unsigned int features[] = {
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 	/* none */
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 };
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-static struct virtio_device_id id_table[] = {
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+static const struct virtio_device_id id_table[] = {
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 	{ VIRTIO_ID_CRYPTO, VIRTIO_DEV_ANY_ID },
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 	{ 0 },
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 };