lz4k: Remove lz4k module

2 files changed, 0 insertions, 157 deletions

diff --git a/crypto/Kconfig b/crypto/Kconfig
index 237a17096..0bb21501e 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -1413,12 +1413,6 @@ config CRYPTO_LZO
 	help
 	  This is the LZO algorithm.
 
-config CRYPTO_LZ4K
-        tristate "LZ4K compression algorithm"
-        select CRYPTO_ALGAPI
-        help
-          This is the LZ4K algorithm.
-
 config CRYPTO_842
 	tristate "842 compression algorithm"
 	depends on CRYPTO_DEV_NX_COMPRESS
diff --git a/crypto/lz4kc.c b/crypto/lz4kc.c
deleted file mode 100644
index 219ea2c2e..000000000
--- a/crypto/lz4kc.c
+++ /dev/null
@@ -1,151 +0,0 @@
-/*
- * Cryptographic API.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 51
- * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/crypto.h>
-#include <linux/vmalloc.h>
-#include <linux/lzo.h>
-#include <linux/lz4k.h>
-
-#define malloc(a) kmalloc(a, GFP_KERNEL)
-#define free(a) kfree(a)
-
-#if 0
-
-extern int lz4k_compress_ubifs(const unsigned char *in, size_t in_len, unsigned char *out,
-        size_t *out_len, void *wrkmem);
-
-extern int lz4k_decompress_ubifs(const unsigned char *in, size_t in_len,
-    unsigned char *out, size_t *out_len);
-
-extern int lz4k_compress(const unsigned char *in, size_t in_len, unsigned char *out,
-        size_t *out_len, void *wrkmem);
-#endif
-struct lz4k_ctx {
-	void *lz4k_comp_mem;
-};
-
-static int lz4kc_init(struct crypto_tfm *tfm)
-{
-	struct lz4k_ctx *ctx = crypto_tfm_ctx(tfm);
-
-	ctx->lz4k_comp_mem = vmalloc(LZO1X_MEM_COMPRESS);
-	if (!ctx->lz4k_comp_mem)
-		return -ENOMEM;
-
-	return 0;
-}
-
-static void lz4kc_exit(struct crypto_tfm *tfm)
-{
-	struct lz4k_ctx *ctx = crypto_tfm_ctx(tfm);
-
-	vfree(ctx->lz4k_comp_mem);
-}
-
-static int lz4kc_compress(struct crypto_tfm *tfm, const u8 *src,
-			    unsigned int slen, u8 *dst, unsigned int *dlen)
-{
-
-    struct lz4k_ctx *ctx = crypto_tfm_ctx(tfm);
-    //static size_t in_size = 0, out_size = 0;
-    size_t tmp_len = *dlen; /* size_t(ulong) <-> uint on 64 bit */
-    int err;
-
-      static int count = 0;
-
-    //printk("lz4k_compress 2 count = %d\r\n", count);
-
-	count++;
-	
-
-    err = lz4k_compress(src, slen, dst, &tmp_len, ctx->lz4k_comp_mem);
-	//err = lzo1x_1_compress(src, slen, dst, &tmp_len, ctx->lz4k_comp_mem);
-
-
-    if (err != LZO_E_OK)
-        return -EINVAL;
-#if 0
-    if (count%10 == 0)
-    {
-	  in_size += slen;
-	  out_size += tmp_len;
-	  printk("lz4k_compress_ubifs result in_size = %d, out_size = %d \n", in_size,out_size);
-    }
-#endif	
-    //printk("lz4k_compress result in_size = %d, out_size = %d \n", in_size,out_size);
-    //printk("lz4k_compress result slen = %d, tmp_len = %d \n", slen,tmp_len);
-
-    *dlen = tmp_len;
-    return 0;
-	
-}
-
-static int lz4kc_decompress(struct crypto_tfm *tfm, const u8 *src,
-			      unsigned int slen, u8 *dst, unsigned int *dlen)
-{
-	static int count = 0;
-	int err;
-	size_t tmp_len = *dlen; /* size_t(ulong) <-> uint on 64 bit */
-
-	
-	//printk("lz4k_decompress 2count = %d, *dlen = %d", count,*dlen);
-
-	err = lz4k_decompress_ubifs(src, slen, dst, &tmp_len);
-	//err = lzo1x_decompress_safe(src, slen, dst, &tmp_len);
-
-
-	count++;
-
-	if (err != LZO_E_OK)
-		return -EINVAL;
-
-	*dlen = tmp_len;
-	return 0;	
-
-}
-
-static struct crypto_alg alg = {
-	.cra_name		= "lz4k",
-	.cra_flags		= CRYPTO_ALG_TYPE_COMPRESS,
-	.cra_ctxsize		= sizeof(struct lz4k_ctx),
-	.cra_module		= THIS_MODULE,
-	.cra_list		= LIST_HEAD_INIT(alg.cra_list),
-	.cra_init		= lz4kc_init,
-	.cra_exit		= lz4kc_exit,
-	.cra_u			= { .compress = {
-	.coa_compress 		= lz4kc_compress,
-	.coa_decompress  	= lz4kc_decompress } }
-};
-
-static int __init lz4k_mod_init(void)
-{
-	return crypto_register_alg(&alg);
-}
-
-static void __exit lz4k_mod_fini(void)
-{
-	crypto_unregister_alg(&alg);
-}
-
-module_init(lz4k_mod_init);
-module_exit(lz4k_mod_fini);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("LZ77 with 4K Compression Algorithm");