[PATCH-next 2/3] crypto: api - Provide gfp mask for tfm allocation

Dmitry Safonov
2023-06-14T17:47:24Z

Use it straight away in crypto_clone_cipher(), as that is not meant to
sleep.

Signed-off-by: Dmitry Safonov <dima@arista.com>
---
crypto/algapi.c | 2 +-
crypto/api.c | 6 +++---
crypto/cipher.c | 2 +-
crypto/internal.h | 2 +-
4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/crypto/algapi.c b/crypto/algapi.c
index 5e7cd603d489..8d7d9cc008ff 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -798,7 +798,7 @@ struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn, u32 type,
if (unlikely((alg->cra_flags ^ type) & mask))
goto out_put_alg;

- tfm = __crypto_alloc_tfm(alg, type, mask);
+ tfm = __crypto_alloc_tfm(alg, type, mask, GFP_KERNEL);
if (IS_ERR(tfm))
goto out_put_alg;

diff --git a/crypto/api.c b/crypto/api.c
index a94bd0695719..54bf7c71b482 100644
--- a/crypto/api.c
+++ b/crypto/api.c
@@ -387,14 +387,14 @@ void crypto_shoot_alg(struct crypto_alg *alg)
EXPORT_SYMBOL_GPL(crypto_shoot_alg);

struct crypto_tfm *__crypto_alloc_tfm(struct crypto_alg *alg, u32 type,
- u32 mask)
+ u32 mask, gfp_t gfp)
{
struct crypto_tfm *tfm = NULL;
unsigned int tfm_size;
int err = -ENOMEM;

tfm_size = sizeof(*tfm) + crypto_ctxsize(alg, type, mask);
- tfm = kzalloc(tfm_size, GFP_KERNEL);
+ tfm = kzalloc(tfm_size, gfp);
if (tfm == NULL)
goto out_err;

@@ -454,7 +454,7 @@ struct crypto_tfm *crypto_alloc_base(const char *alg_name, u32 type, u32 mask)
goto err;
}

- tfm = __crypto_alloc_tfm(alg, type, mask);
+ tfm = __crypto_alloc_tfm(alg, type, mask, GFP_KERNEL);
if (!IS_ERR(tfm))
return tfm;

diff --git a/crypto/cipher.c b/crypto/cipher.c
index d39ef5f72ab8..184188339a4a 100644
--- a/crypto/cipher.c
+++ b/crypto/cipher.c
@@ -102,7 +102,7 @@ struct crypto_cipher *crypto_clone_cipher(struct crypto_cipher *cipher)
return ERR_PTR(-ENOSYS);

ntfm = __crypto_alloc_tfm(alg, CRYPTO_ALG_TYPE_CIPHER,
- CRYPTO_ALG_TYPE_MASK);
+ CRYPTO_ALG_TYPE_MASK, GFP_ATOMIC);
if (IS_ERR(ntfm))
return ERR_CAST(ntfm);

diff --git a/crypto/internal.h b/crypto/internal.h
index 8dd746b1130b..eba723a57689 100644
--- a/crypto/internal.h
+++ b/crypto/internal.h
@@ -103,7 +103,7 @@ void crypto_remove_spawns(struct crypto_alg *alg, struct list_head *list,
void crypto_remove_final(struct list_head *list);
void crypto_shoot_alg(struct crypto_alg *alg);
struct crypto_tfm *__crypto_alloc_tfm(struct crypto_alg *alg, u32 type,
- u32 mask);
+ u32 mask, gfp_t gfp);
void *crypto_create_tfm_node(struct crypto_alg *alg,
const struct crypto_type *frontend, int node);
void *crypto_clone_tfm(const struct crypto_type *frontend,
--
2.40.0