X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=crypto%2Fdeflate.c;h=9128da44e953ac70d3f0d5b49e39ac2578bf127c;hb=17b820606e7bdd3be31b001265d0177423fea5eb;hp=77d7655d316aed05ef28f211df4027370b9412f2;hpb=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2;p=linux-2.6-omap-h63xx.git diff --git a/crypto/deflate.c b/crypto/deflate.c index 77d7655d316..9128da44e95 100644 --- a/crypto/deflate.c +++ b/crypto/deflate.c @@ -73,12 +73,11 @@ static int deflate_decomp_init(struct deflate_ctx *ctx) int ret = 0; struct z_stream_s *stream = &ctx->decomp_stream; - stream->workspace = kmalloc(zlib_inflate_workspacesize(), GFP_KERNEL); + stream->workspace = kzalloc(zlib_inflate_workspacesize(), GFP_KERNEL); if (!stream->workspace ) { ret = -ENOMEM; goto out; } - memset(stream->workspace, 0, zlib_inflate_workspacesize()); ret = zlib_inflateInit2(stream, -DEFLATE_DEF_WINBITS); if (ret != Z_OK) { ret = -EINVAL; @@ -93,16 +92,19 @@ out_free: static void deflate_comp_exit(struct deflate_ctx *ctx) { + zlib_deflateEnd(&ctx->comp_stream); vfree(ctx->comp_stream.workspace); } static void deflate_decomp_exit(struct deflate_ctx *ctx) { + zlib_inflateEnd(&ctx->decomp_stream); kfree(ctx->decomp_stream.workspace); } -static int deflate_init(void *ctx) +static int deflate_init(struct crypto_tfm *tfm) { + struct deflate_ctx *ctx = crypto_tfm_ctx(tfm); int ret; ret = deflate_comp_init(ctx); @@ -115,17 +117,19 @@ out: return ret; } -static void deflate_exit(void *ctx) +static void deflate_exit(struct crypto_tfm *tfm) { + struct deflate_ctx *ctx = crypto_tfm_ctx(tfm); + deflate_comp_exit(ctx); deflate_decomp_exit(ctx); } -static int deflate_compress(void *ctx, const u8 *src, unsigned int slen, - u8 *dst, unsigned int *dlen) +static int deflate_compress(struct crypto_tfm *tfm, const u8 *src, + unsigned int slen, u8 *dst, unsigned int *dlen) { int ret = 0; - struct deflate_ctx *dctx = ctx; + struct deflate_ctx *dctx = crypto_tfm_ctx(tfm); struct z_stream_s *stream = &dctx->comp_stream; ret = zlib_deflateReset(stream); @@ -150,12 +154,12 @@ out: return ret; } -static int deflate_decompress(void *ctx, const u8 *src, unsigned int slen, - u8 *dst, unsigned int *dlen) +static int deflate_decompress(struct crypto_tfm *tfm, const u8 *src, + unsigned int slen, u8 *dst, unsigned int *dlen) { int ret = 0; - struct deflate_ctx *dctx = ctx; + struct deflate_ctx *dctx = crypto_tfm_ctx(tfm); struct z_stream_s *stream = &dctx->decomp_stream; ret = zlib_inflateReset(stream); @@ -197,25 +201,25 @@ static struct crypto_alg alg = { .cra_ctxsize = sizeof(struct deflate_ctx), .cra_module = THIS_MODULE, .cra_list = LIST_HEAD_INIT(alg.cra_list), + .cra_init = deflate_init, + .cra_exit = deflate_exit, .cra_u = { .compress = { - .coa_init = deflate_init, - .coa_exit = deflate_exit, .coa_compress = deflate_compress, .coa_decompress = deflate_decompress } } }; -static int __init init(void) +static int __init deflate_mod_init(void) { return crypto_register_alg(&alg); } -static void __exit fini(void) +static void __exit deflate_mod_fini(void) { crypto_unregister_alg(&alg); } -module_init(init); -module_exit(fini); +module_init(deflate_mod_init); +module_exit(deflate_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Deflate Compression Algorithm for IPCOMP");