Staging: rtl8192u: remove api.c file

It wasn't being used, and had a hacked-up export symbol table which
wasn't very nice either.

Reported-by: James Morris <jmorris@namei.org>
Cc: Herbert Xu <herbert@gondor.hengli.com.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/rtl8192u/ieee80211/api.c b/drivers/staging/rtl8192u/ieee80211/api.c
deleted file mode 100644 (file)
index 5f46e50..0000000
--- a/drivers/staging/rtl8192u/ieee80211/api.c
+++ /dev/null
@@ -1,244 +0,0 @@
-/*
- * Scatterlist Cryptographic API.
- *
- * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
- * Copyright (c) 2002 David S. Miller (davem@redhat.com)
- *
- * Portions derived from Cryptoapi, by Alexander Kjeldaas <astor@fast.no>
- * and Nettle, by Niels M鰈ler.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- */
-#include "kmap_types.h"
-
-#include <linux/init.h>
-#include <linux/module.h>
-//#include <linux/crypto.h>
-#include "rtl_crypto.h"
-#include <linux/errno.h>
-#include <linux/rwsem.h>
-#include <linux/slab.h>
-#include "internal.h"
-
-LIST_HEAD(crypto_alg_list);
-DECLARE_RWSEM(crypto_alg_sem);
-
-static inline int crypto_alg_get(struct crypto_alg *alg)
-{
-       return try_inc_mod_count(alg->cra_module);
-}
-
-static inline void crypto_alg_put(struct crypto_alg *alg)
-{
-       if (alg->cra_module)
-               __MOD_DEC_USE_COUNT(alg->cra_module);
-}
-
-struct crypto_alg *crypto_alg_lookup(const char *name)
-{
-       struct crypto_alg *q, *alg = NULL;
-
-       if (!name)
-               return NULL;
-
-       down_read(&crypto_alg_sem);
-
-       list_for_each_entry(q, &crypto_alg_list, cra_list) {
-               if (!(strcmp(q->cra_name, name))) {
-                       if (crypto_alg_get(q))
-                               alg = q;
-                       break;
-               }
-       }
-
-       up_read(&crypto_alg_sem);
-       return alg;
-}
-
-static int crypto_init_flags(struct crypto_tfm *tfm, u32 flags)
-{
-       tfm->crt_flags = 0;
-
-       switch (crypto_tfm_alg_type(tfm)) {
-       case CRYPTO_ALG_TYPE_CIPHER:
-               return crypto_init_cipher_flags(tfm, flags);
-
-       case CRYPTO_ALG_TYPE_DIGEST:
-               return crypto_init_digest_flags(tfm, flags);
-
-       case CRYPTO_ALG_TYPE_COMPRESS:
-               return crypto_init_compress_flags(tfm, flags);
-
-       default:
-               break;
-       }
-
-       BUG();
-       return -EINVAL;
-}
-
-static int crypto_init_ops(struct crypto_tfm *tfm)
-{
-       switch (crypto_tfm_alg_type(tfm)) {
-       case CRYPTO_ALG_TYPE_CIPHER:
-               return crypto_init_cipher_ops(tfm);
-
-       case CRYPTO_ALG_TYPE_DIGEST:
-               return crypto_init_digest_ops(tfm);
-
-       case CRYPTO_ALG_TYPE_COMPRESS:
-               return crypto_init_compress_ops(tfm);
-
-       default:
-               break;
-       }
-
-       BUG();
-       return -EINVAL;
-}
-
-static void crypto_exit_ops(struct crypto_tfm *tfm)
-{
-       switch (crypto_tfm_alg_type(tfm)) {
-       case CRYPTO_ALG_TYPE_CIPHER:
-               crypto_exit_cipher_ops(tfm);
-               break;
-
-       case CRYPTO_ALG_TYPE_DIGEST:
-               crypto_exit_digest_ops(tfm);
-               break;
-
-       case CRYPTO_ALG_TYPE_COMPRESS:
-               crypto_exit_compress_ops(tfm);
-               break;
-
-       default:
-               BUG();
-
-       }
-}
-
-struct crypto_tfm *crypto_alloc_tfm(const char *name, u32 flags)
-{
-       struct crypto_tfm *tfm = NULL;
-       struct crypto_alg *alg;
-
-       alg = crypto_alg_mod_lookup(name);
-       if (alg == NULL)
-               goto out;
-
-       tfm = kzalloc(sizeof(*tfm) + alg->cra_ctxsize, GFP_KERNEL);
-       if (tfm == NULL)
-               goto out_put;
-
-       tfm->__crt_alg = alg;
-
-       if (crypto_init_flags(tfm, flags))
-               goto out_free_tfm;
-
-       if (crypto_init_ops(tfm)) {
-               crypto_exit_ops(tfm);
-               goto out_free_tfm;
-       }
-
-       goto out;
-
-out_free_tfm:
-       kfree(tfm);
-       tfm = NULL;
-out_put:
-       crypto_alg_put(alg);
-out:
-       return tfm;
-}
-
-void crypto_free_tfm(struct crypto_tfm *tfm)
-{
-       struct crypto_alg *alg = tfm->__crt_alg;
-       int size = sizeof(*tfm) + alg->cra_ctxsize;
-
-       crypto_exit_ops(tfm);
-       crypto_alg_put(alg);
-       memset(tfm, 0, size);
-       kfree(tfm);
-}
-
-int crypto_register_alg(struct crypto_alg *alg)
-{
-       int ret = 0;
-       struct crypto_alg *q;
-
-       down_write(&crypto_alg_sem);
-
-       list_for_each_entry(q, &crypto_alg_list, cra_list) {
-               if (!(strcmp(q->cra_name, alg->cra_name))) {
-                       ret = -EEXIST;
-                       goto out;
-               }
-       }
-
-       list_add_tail(&alg->cra_list, &crypto_alg_list);
-out:
-       up_write(&crypto_alg_sem);
-       return ret;
-}
-
-int crypto_unregister_alg(struct crypto_alg *alg)
-{
-       int ret = -ENOENT;
-       struct crypto_alg *q;
-
-       BUG_ON(!alg->cra_module);
-
-       down_write(&crypto_alg_sem);
-       list_for_each_entry(q, &crypto_alg_list, cra_list) {
-               if (alg == q) {
-                       list_del(&alg->cra_list);
-                       ret = 0;
-                       goto out;
-               }
-       }
-out:
-       up_write(&crypto_alg_sem);
-       return ret;
-}
-
-int crypto_alg_available(const char *name, u32 flags)
-{
-       int ret = 0;
-       struct crypto_alg *alg = crypto_alg_mod_lookup(name);
-
-       if (alg) {
-               crypto_alg_put(alg);
-               ret = 1;
-       }
-
-       return ret;
-}
-
-static int __init init_crypto(void)
-{
-       printk(KERN_INFO "Initializing Cryptographic API\n");
-       crypto_init_proc();
-       return 0;
-}
-
-__initcall(init_crypto);
-
-/*
-EXPORT_SYMBOL_GPL(crypto_register_alg);
-EXPORT_SYMBOL_GPL(crypto_unregister_alg);
-EXPORT_SYMBOL_GPL(crypto_alloc_tfm);
-EXPORT_SYMBOL_GPL(crypto_free_tfm);
-EXPORT_SYMBOL_GPL(crypto_alg_available);
-*/
-
-EXPORT_SYMBOL_NOVERS(crypto_register_alg);
-EXPORT_SYMBOL_NOVERS(crypto_unregister_alg);
-EXPORT_SYMBOL_NOVERS(crypto_alloc_tfm);
-EXPORT_SYMBOL_NOVERS(crypto_free_tfm);
-EXPORT_SYMBOL_NOVERS(crypto_alg_available);