3 files changed, 8 insertions, 8 deletions
diff --git a/drivers/crypto/atmel-ecc.c b/drivers/crypto/atmel-ecc.c
index a4b13d326cfc..82bf15d49561 100644
--- a/drivers/crypto/atmel-ecc.c
+++ b/drivers/crypto/atmel-ecc.c
@@ -343,7 +343,7 @@ static int atmel_ecc_probe(struct i2c_client *client,
 	return ret;
 }
 
-static int atmel_ecc_remove(struct i2c_client *client)
+static void atmel_ecc_remove(struct i2c_client *client)
 {
 	struct atmel_i2c_client_priv *i2c_priv = i2c_get_clientdata(client);
 
@@ -358,7 +358,7 @@ static int atmel_ecc_remove(struct i2c_client *client)
 		 * accessing the freed memory.
 		 */
 		dev_emerg(&client->dev, "Device is busy, expect memory corruption.\n");
-		return 0;
+		return;
 	}
 
 	crypto_unregister_kpp(&atmel_ecdh_nist_p256);
@@ -366,8 +366,6 @@ static int atmel_ecc_remove(struct i2c_client *client)
 	spin_lock(&driver_data.i2c_list_lock);
 	list_del(&i2c_priv->i2c_client_list_node);
 	spin_unlock(&driver_data.i2c_list_lock);
-
-	return 0;
 }
 
 #ifdef CONFIG_OF
diff --git a/drivers/crypto/atmel-sha204a.c b/drivers/crypto/atmel-sha204a.c
index e4087bdd2475..a84b657598c6 100644
--- a/drivers/crypto/atmel-sha204a.c
+++ b/drivers/crypto/atmel-sha204a.c
@@ -116,18 +116,16 @@ static int atmel_sha204a_probe(struct i2c_client *client,
 	return ret;
 }
 
-static int atmel_sha204a_remove(struct i2c_client *client)
+static void atmel_sha204a_remove(struct i2c_client *client)
 {
 	struct atmel_i2c_client_priv *i2c_priv = i2c_get_clientdata(client);
 
 	if (atomic_read(&i2c_priv->tfm_count)) {
 		dev_emerg(&client->dev, "Device is busy, will remove it anyhow\n");
-		return 0;
+		return;
 	}
 
 	kfree((void *)i2c_priv->hwrng.priv);
-
-	return 0;
 }
 
 static const struct of_device_id atmel_sha204a_dt_ids[] = {
diff --git a/drivers/crypto/virtio/virtio_crypto_akcipher_algs.c b/drivers/crypto/virtio/virtio_crypto_akcipher_algs.c
index 2a60d0525cde..168195672e2e 100644
--- a/drivers/crypto/virtio/virtio_crypto_akcipher_algs.c
+++ b/drivers/crypto/virtio/virtio_crypto_akcipher_algs.c
@@ -56,6 +56,10 @@ static void virtio_crypto_akcipher_finalize_req(
 	struct virtio_crypto_akcipher_request *vc_akcipher_req,
 	struct akcipher_request *req, int err)
 {
+	kfree(vc_akcipher_req->src_buf);
+	kfree(vc_akcipher_req->dst_buf);
+	vc_akcipher_req->src_buf = NULL;
+	vc_akcipher_req->dst_buf = NULL;
 	virtcrypto_clear_request(&vc_akcipher_req->base);
 
 	crypto_finalize_akcipher_request(vc_akcipher_req->base.dataq->engine, req, err);