From 53b99be7647bc1d821a817c58d1504547ca0c75f Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Sat, 26 Nov 2011 16:25:54 -0800 Subject: [PATCH] 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 Cc: Herbert Xu Signed-off-by: Greg Kroah-Hartman --- drivers/staging/rtl8192u/ieee80211/api.c | 244 ----------------------- 1 file changed, 244 deletions(-) delete mode 100644 drivers/staging/rtl8192u/ieee80211/api.c diff --git a/drivers/staging/rtl8192u/ieee80211/api.c b/drivers/staging/rtl8192u/ieee80211/api.c deleted file mode 100644 index 5f46e50e586e..000000000000 --- a/drivers/staging/rtl8192u/ieee80211/api.c +++ /dev/null @@ -1,244 +0,0 @@ -/* - * Scatterlist Cryptographic API. - * - * Copyright (c) 2002 James Morris - * Copyright (c) 2002 David S. Miller (davem@redhat.com) - * - * Portions derived from Cryptoapi, by Alexander Kjeldaas - * 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 -#include -//#include -#include "rtl_crypto.h" -#include -#include -#include -#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); -- 2.20.1