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crypto: skcipher - fold skcipher_walk_skcipher() into skcipher_walk_virt()

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Fold skcipher_walk_skcipher() into skcipher_walk_virt() which is its
only remaining caller.  No change in behavior.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Eric Biggers
2025-01-05 11:34:13 -08:00
committed by Herbert Xu
parent 24300d282f
commit d97d0668e8
1 changed files with 8 additions and 15 deletions
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23
crypto/skcipher.c
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@@ -306,11 +306,14 @@ static int skcipher_walk_first(struct skcipher_walk *walk)
return skcipher_walk_next(walk);
}
static int skcipher_walk_skcipher(struct skcipher_walk *walk,
struct skcipher_request *req)
int skcipher_walk_virt(struct skcipher_walk *walk,
struct skcipher_request *req, bool atomic)
{
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
struct skcipher_alg *alg = crypto_skcipher_alg(tfm);
int err = 0;
might_sleep_if(req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP);
walk->total = req->cryptlen;
walk->nbytes = 0;
@@ -318,7 +321,7 @@ static int skcipher_walk_skcipher(struct skcipher_walk *walk,
walk->oiv = req->iv;
if (unlikely(!walk->total))
return 0;
goto out;
scatterwalk_start(&walk->in, req->src);
scatterwalk_start(&walk->out, req->dst);
@@ -336,18 +339,8 @@ static int skcipher_walk_skcipher(struct skcipher_walk *walk,
else
walk->stride = alg->walksize;
return skcipher_walk_first(walk);
}
int skcipher_walk_virt(struct skcipher_walk *walk,
struct skcipher_request *req, bool atomic)
{
int err;
might_sleep_if(req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP);
err = skcipher_walk_skcipher(walk, req);
err = skcipher_walk_first(walk);
out:
walk->flags &= atomic ? ~SKCIPHER_WALK_SLEEP : ~0;
return err;