summaryrefslogtreecommitdiffstats
path: root/drivers/crypto/virtio/virtio_crypto_skcipher_algs.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/crypto/virtio/virtio_crypto_skcipher_algs.c')
-rw-r--r--drivers/crypto/virtio/virtio_crypto_skcipher_algs.c17
1 files changed, 4 insertions, 13 deletions
diff --git a/drivers/crypto/virtio/virtio_crypto_skcipher_algs.c b/drivers/crypto/virtio/virtio_crypto_skcipher_algs.c
index 23c41d87d835..1b3fb21a2a7d 100644
--- a/drivers/crypto/virtio/virtio_crypto_skcipher_algs.c
+++ b/drivers/crypto/virtio/virtio_crypto_skcipher_algs.c
@@ -17,7 +17,6 @@
struct virtio_crypto_skcipher_ctx {
struct virtio_crypto *vcrypto;
- struct crypto_skcipher *tfm;
struct virtio_crypto_sym_session_info enc_sess_info;
struct virtio_crypto_sym_session_info dec_sess_info;
@@ -28,8 +27,6 @@ struct virtio_crypto_sym_request {
/* Cipher or aead */
uint32_t type;
- struct virtio_crypto_skcipher_ctx *skcipher_ctx;
- struct skcipher_request *skcipher_req;
uint8_t *iv;
/* Encryption? */
bool encrypt;
@@ -57,7 +54,9 @@ static void virtio_crypto_dataq_sym_callback
{
struct virtio_crypto_sym_request *vc_sym_req =
container_of(vc_req, struct virtio_crypto_sym_request, base);
- struct skcipher_request *ablk_req;
+ struct skcipher_request *ablk_req =
+ container_of((void *)vc_sym_req, struct skcipher_request,
+ __ctx);
int error;
/* Finish the encrypt or decrypt process */
@@ -77,7 +76,6 @@ static void virtio_crypto_dataq_sym_callback
error = -EIO;
break;
}
- ablk_req = vc_sym_req->skcipher_req;
virtio_crypto_skcipher_finalize_req(vc_sym_req,
ablk_req, error);
}
@@ -325,7 +323,7 @@ __virtio_crypto_skcipher_do_req(struct virtio_crypto_sym_request *vc_sym_req,
struct data_queue *data_vq)
{
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
- struct virtio_crypto_skcipher_ctx *ctx = vc_sym_req->skcipher_ctx;
+ struct virtio_crypto_skcipher_ctx *ctx = crypto_skcipher_ctx(tfm);
struct virtio_crypto_request *vc_req = &vc_sym_req->base;
unsigned int ivsize = crypto_skcipher_ivsize(tfm);
struct virtio_crypto *vcrypto = ctx->vcrypto;
@@ -481,8 +479,6 @@ static int virtio_crypto_skcipher_encrypt(struct skcipher_request *req)
vc_req->dataq = data_vq;
vc_req->alg_cb = virtio_crypto_dataq_sym_callback;
- vc_sym_req->skcipher_ctx = ctx;
- vc_sym_req->skcipher_req = req;
vc_sym_req->encrypt = true;
return crypto_transfer_skcipher_request_to_engine(data_vq->engine, req);
@@ -506,8 +502,6 @@ static int virtio_crypto_skcipher_decrypt(struct skcipher_request *req)
vc_req->dataq = data_vq;
vc_req->alg_cb = virtio_crypto_dataq_sym_callback;
- vc_sym_req->skcipher_ctx = ctx;
- vc_sym_req->skcipher_req = req;
vc_sym_req->encrypt = false;
return crypto_transfer_skcipher_request_to_engine(data_vq->engine, req);
@@ -515,10 +509,7 @@ static int virtio_crypto_skcipher_decrypt(struct skcipher_request *req)
static int virtio_crypto_skcipher_init(struct crypto_skcipher *tfm)
{
- struct virtio_crypto_skcipher_ctx *ctx = crypto_skcipher_ctx(tfm);
-
crypto_skcipher_set_reqsize(tfm, sizeof(struct virtio_crypto_sym_request));
- ctx->tfm = tfm;
return 0;
}