44 	int ret = 0;  in deflate_comp_init()  local
50 		ret = -ENOMEM;  in deflate_comp_init()
54 		ret = zlib_deflateInit(stream, 3);  in deflate_comp_init()
56 		ret = zlib_deflateInit2(stream, DEFLATE_DEF_LEVEL, Z_DEFLATED,  in deflate_comp_init()
60 	if (ret != Z_OK) {  in deflate_comp_init()
61 		ret = -EINVAL;  in deflate_comp_init()
65 	return ret;  in deflate_comp_init()
73 	int ret = 0;  in deflate_decomp_init()  local
78 		ret = -ENOMEM;  in deflate_decomp_init()
82 		ret = zlib_inflateInit(stream);  in deflate_decomp_init()
84 		ret = zlib_inflateInit2(stream, -DEFLATE_DEF_WINBITS);  in deflate_decomp_init()
85 	if (ret != Z_OK) {  in deflate_decomp_init()
86 		ret = -EINVAL;  in deflate_decomp_init()
90 	return ret;  in deflate_decomp_init()
110 	int ret;  in __deflate_init()  local
112 	ret = deflate_comp_init(ctx, format);  in __deflate_init()
113 	if (ret)  in __deflate_init()
115 	ret = deflate_decomp_init(ctx, format);  in __deflate_init()
116 	if (ret)  in __deflate_init()
119 	return ret;  in __deflate_init()
125 	int ret;  in gen_deflate_alloc_ctx()  local
131 	ret = __deflate_init(ctx, format);  in gen_deflate_alloc_ctx()
132 	if (ret) {  in gen_deflate_alloc_ctx()
134 		return ERR_PTR(ret);  in gen_deflate_alloc_ctx()
179 	int ret = 0;  in __deflate_compress()  local
183 	ret = zlib_deflateReset(stream);  in __deflate_compress()
184 	if (ret != Z_OK) {  in __deflate_compress()
185 		ret = -EINVAL;  in __deflate_compress()
194 	ret = zlib_deflate(stream, Z_FINISH);  in __deflate_compress()
195 	if (ret != Z_STREAM_END) {  in __deflate_compress()
196 		ret = -EINVAL;  in __deflate_compress()
199 	ret = 0;  in __deflate_compress()
202 	return ret;  in __deflate_compress()
224 	int ret = 0;  in __deflate_decompress()  local
228 	ret = zlib_inflateReset(stream);  in __deflate_decompress()
229 	if (ret != Z_OK) {  in __deflate_decompress()
230 		ret = -EINVAL;  in __deflate_decompress()
239 	ret = zlib_inflate(stream, Z_SYNC_FLUSH);  in __deflate_decompress()
245 	if (ret == Z_OK && !stream->avail_in && stream->avail_out) {  in __deflate_decompress()
249 		ret = zlib_inflate(stream, Z_FINISH);  in __deflate_decompress()
251 	if (ret != Z_STREAM_END) {  in __deflate_decompress()
252 		ret = -EINVAL;  in __deflate_decompress()
255 	ret = 0;  in __deflate_decompress()
258 	return ret;  in __deflate_decompress()
313 	int ret;  in deflate_mod_init()  local
315 	ret = crypto_register_alg(&alg);  in deflate_mod_init()
316 	if (ret)  in deflate_mod_init()
317 		return ret;  in deflate_mod_init()
319 	ret = crypto_register_scomps(scomp, ARRAY_SIZE(scomp));  in deflate_mod_init()
320 	if (ret) {  in deflate_mod_init()
322 		return ret;  in deflate_mod_init()
325 	return ret;  in deflate_mod_init()