X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=crypto%2Fdeflate.c;h=6588bbf82e9b98191fc30b16bf7b7e59a0a77e22;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=bc73342cd1ecc253909440de480909b7eab10beb;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git diff --git a/crypto/deflate.c b/crypto/deflate.c index bc73342cd..6588bbf82 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; @@ -103,8 +102,9 @@ static void deflate_decomp_exit(struct deflate_ctx *ctx) 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); @@ -117,17 +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); @@ -152,12 +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); @@ -199,9 +201,9 @@ 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 } } };