[2.6 patch] crypto/: remove unused functions

Adrian Bunk
2006-11-21T19:43:26Z

This patch removes the following no longer used functions:
- api.c: crypto_alg_available()
- digest.c: crypto_digest_init()
- digest.c: crypto_digest_update()
- digest.c: crypto_digest_final()
- digest.c: crypto_digest_digest()

Signed-off-by: Adrian Bunk <bunk@stusta.de>

---

crypto/api.c | 15 ------------
crypto/digest.c | 48 -----------------------------------------
include/linux/crypto.h | 22 ------------------
3 files changed, 85 deletions(-)

--- linux-2.6.19-rc5-mm2/include/linux/crypto.h.old 2006-11-21 19:22:21.000000000 +0100
+++ linux-2.6.19-rc5-mm2/include/linux/crypto.h 2006-11-21 19:26:50.000000000 +0100
@@ -241,12 +241,8 @@
* Algorithm query interface.
*/
#ifdef CONFIG_CRYPTO
-int crypto_alg_available(const char *name, u32 flags)
- __deprecated_for_modules;
int crypto_has_alg(const char *name, u32 type, u32 mask);
#else
-static int crypto_alg_available(const char *name, u32 flags)
- __deprecated_for_modules;
static inline int crypto_alg_available(const char *name, u32 flags)
{
return 0;
@@ -707,16 +703,6 @@
dst, src);
}

-void crypto_digest_init(struct crypto_tfm *tfm) __deprecated_for_modules;
-void crypto_digest_update(struct crypto_tfm *tfm,
- struct scatterlist *sg, unsigned int nsg)
- __deprecated_for_modules;
-void crypto_digest_final(struct crypto_tfm *tfm, u8 *out)
- __deprecated_for_modules;
-void crypto_digest_digest(struct crypto_tfm *tfm,
- struct scatterlist *sg, unsigned int nsg, u8 *out)
- __deprecated_for_modules;
-
static inline struct crypto_hash *__crypto_hash_cast(struct crypto_tfm *tfm)
{
return (struct crypto_hash *)tfm;
@@ -729,14 +715,6 @@
return __crypto_hash_cast(tfm);
}

-static int crypto_digest_setkey(struct crypto_tfm *tfm, const u8 *key,
- unsigned int keylen) __deprecated;
-static inline int crypto_digest_setkey(struct crypto_tfm *tfm,
- const u8 *key, unsigned int keylen)
-{
- return tfm->crt_hash.setkey(crypto_hash_cast(tfm), key, keylen);
-}
-
static inline struct crypto_hash *crypto_alloc_hash(const char *alg_name,
u32 type, u32 mask)
{
--- linux-2.6.19-rc5-mm2/crypto/api.c.old 2006-11-21 19:25:07.000000000 +0100
+++ linux-2.6.19-rc5-mm2/crypto/api.c 2006-11-21 19:25:35.000000000 +0100
@@ -466,23 +466,8 @@
kfree(tfm);
}

-int crypto_alg_available(const char *name, u32 flags)
-{
- int ret = 0;
- struct crypto_alg *alg = crypto_alg_mod_lookup(name, 0,
- CRYPTO_ALG_ASYNC);
-
- if (!IS_ERR(alg)) {
- crypto_mod_put(alg);
- ret = 1;
- }
-
- return ret;
-}
-
EXPORT_SYMBOL_GPL(crypto_alloc_tfm);
EXPORT_SYMBOL_GPL(crypto_free_tfm);
-EXPORT_SYMBOL_GPL(crypto_alg_available);

int crypto_has_alg(const char *name, u32 type, u32 mask)
{
--- linux-2.6.19-rc5-mm2/crypto/digest.c.old 2006-11-21 19:24:19.000000000 +0100
+++ linux-2.6.19-rc5-mm2/crypto/digest.c 2006-11-21 19:28:06.000000000 +0100
@@ -21,54 +21,6 @@
#include "internal.h"
#include "scatterwalk.h"

-void crypto_digest_init(struct crypto_tfm *tfm)
-{
- struct crypto_hash *hash = crypto_hash_cast(tfm);
- struct hash_desc desc = { .tfm = hash, .flags = tfm->crt_flags };
-
- crypto_hash_init(&desc);
-}
-EXPORT_SYMBOL_GPL(crypto_digest_init);
-
-void crypto_digest_update(struct crypto_tfm *tfm,
- struct scatterlist *sg, unsigned int nsg)
-{
- struct crypto_hash *hash = crypto_hash_cast(tfm);
- struct hash_desc desc = { .tfm = hash, .flags = tfm->crt_flags };
- unsigned int nbytes = 0;
- unsigned int i;
-
- for (i = 0; i < nsg; i++)
- nbytes += sg[i].length;
-
- crypto_hash_update(&desc, sg, nbytes);
-}
-EXPORT_SYMBOL_GPL(crypto_digest_update);
-
-void crypto_digest_final(struct crypto_tfm *tfm, u8 *out)
-{
- struct crypto_hash *hash = crypto_hash_cast(tfm);
- struct hash_desc desc = { .tfm = hash, .flags = tfm->crt_flags };
-
- crypto_hash_final(&desc, out);
-}
-EXPORT_SYMBOL_GPL(crypto_digest_final);
-
-void crypto_digest_digest(struct crypto_tfm *tfm,
- struct scatterlist *sg, unsigned int nsg, u8 *out)
-{
- struct crypto_hash *hash = crypto_hash_cast(tfm);
- struct hash_desc desc = { .tfm = hash, .flags = tfm->crt_flags };
- unsigned int nbytes = 0;
- unsigned int i;
-
- for (i = 0; i < nsg; i++)
- nbytes += sg[i].length;
-
- crypto_hash_digest(&desc, sg, nbytes, out);
-}
-EXPORT_SYMBOL_GPL(crypto_digest_digest);
-
static int init(struct hash_desc *desc)
{
struct crypto_tfm *tfm = crypto_hash_tfm(desc->tfm);