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crypto: virtio - Drop superfluous ctx->tfm backpointer

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struct virtio_crypto_[as]kcipher_ctx contains a backpointer to struct
crypto_[as]kcipher which is superfluous in two ways:

First, it's not used anywhere.  Second, the context is embedded into
struct crypto_tfm, so one could just use container_of() to get from the
context to crypto_tfm and from there to crypto_[as]kcipher.

Drop the superfluous backpointer.

Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Lukas Wunner
2025-02-03 14:37:03 +01:00
committed by Herbert Xu
parent 17410baf65
commit aefeca1188
2 changed files with 0 additions and 9 deletions
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4
drivers/crypto/virtio/virtio_crypto_skcipher_algs.c
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@@ -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;
@@ -515,10 +514,7 @@ 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;
}