47 	struct z_stream_s *stream = &ctx->comp_stream;  in zlib_comp_exit()  local
49 	if (stream->workspace) {  in zlib_comp_exit()
50 		zlib_deflateEnd(stream);  in zlib_comp_exit()
51 		vfree(stream->workspace);  in zlib_comp_exit()
52 		stream->workspace = NULL;  in zlib_comp_exit()
58 	struct z_stream_s *stream = &ctx->decomp_stream;  in zlib_decomp_exit()  local
60 	if (stream->workspace) {  in zlib_decomp_exit()
61 		zlib_inflateEnd(stream);  in zlib_decomp_exit()
62 		vfree(stream->workspace);  in zlib_decomp_exit()
63 		stream->workspace = NULL;  in zlib_decomp_exit()
85 	struct z_stream_s *stream = &ctx->comp_stream;  in zlib_compress_setup()  local
105 	stream->workspace = vzalloc(workspacesize);  in zlib_compress_setup()
106 	if (!stream->workspace)  in zlib_compress_setup()
109 	ret = zlib_deflateInit2(stream,  in zlib_compress_setup()
122 		vfree(stream->workspace);  in zlib_compress_setup()
123 		stream->workspace = NULL;  in zlib_compress_setup()
134 	struct z_stream_s *stream = &dctx->comp_stream;  in zlib_compress_init()  local
136 	ret = zlib_deflateReset(stream);  in zlib_compress_init()
148 	struct z_stream_s *stream = &dctx->comp_stream;  in zlib_compress_update()  local
151 	stream->next_in = req->next_in;  in zlib_compress_update()
152 	stream->avail_in = req->avail_in;  in zlib_compress_update()
153 	stream->next_out = req->next_out;  in zlib_compress_update()
154 	stream->avail_out = req->avail_out;  in zlib_compress_update()
156 	ret = zlib_deflate(stream, Z_NO_FLUSH);  in zlib_compress_update()
170 	ret = req->avail_out - stream->avail_out;  in zlib_compress_update()
172 		 stream->avail_in, stream->avail_out,  in zlib_compress_update()
173 		 req->avail_in - stream->avail_in, ret);  in zlib_compress_update()
174 	req->next_in = stream->next_in;  in zlib_compress_update()
175 	req->avail_in = stream->avail_in;  in zlib_compress_update()
176 	req->next_out = stream->next_out;  in zlib_compress_update()
177 	req->avail_out = stream->avail_out;  in zlib_compress_update()
186 	struct z_stream_s *stream = &dctx->comp_stream;  in zlib_compress_final()  local
189 	stream->next_in = req->next_in;  in zlib_compress_final()
190 	stream->avail_in = req->avail_in;  in zlib_compress_final()
191 	stream->next_out = req->next_out;  in zlib_compress_final()
192 	stream->avail_out = req->avail_out;  in zlib_compress_final()
194 	ret = zlib_deflate(stream, Z_FINISH);  in zlib_compress_final()
200 	ret = req->avail_out - stream->avail_out;  in zlib_compress_final()
202 		 stream->avail_in, stream->avail_out,  in zlib_compress_final()
203 		 req->avail_in - stream->avail_in, ret);  in zlib_compress_final()
204 	req->next_in = stream->next_in;  in zlib_compress_final()
205 	req->avail_in = stream->avail_in;  in zlib_compress_final()
206 	req->next_out = stream->next_out;  in zlib_compress_final()
207 	req->avail_out = stream->avail_out;  in zlib_compress_final()
216 	struct z_stream_s *stream = &ctx->decomp_stream;  in zlib_decompress_setup()  local
230 	stream->workspace = vzalloc(zlib_inflate_workspacesize());  in zlib_decompress_setup()
231 	if (!stream->workspace)  in zlib_decompress_setup()
234 	ret = zlib_inflateInit2(stream, ctx->decomp_windowBits);  in zlib_decompress_setup()
236 		vfree(stream->workspace);  in zlib_decompress_setup()
237 		stream->workspace = NULL;  in zlib_decompress_setup()
248 	struct z_stream_s *stream = &dctx->decomp_stream;  in zlib_decompress_init()  local
250 	ret = zlib_inflateReset(stream);  in zlib_decompress_init()
262 	struct z_stream_s *stream = &dctx->decomp_stream;  in zlib_decompress_update()  local
265 	stream->next_in = req->next_in;  in zlib_decompress_update()
266 	stream->avail_in = req->avail_in;  in zlib_decompress_update()
267 	stream->next_out = req->next_out;  in zlib_decompress_update()
268 	stream->avail_out = req->avail_out;  in zlib_decompress_update()
270 	ret = zlib_inflate(stream, Z_SYNC_FLUSH);  in zlib_decompress_update()
285 	ret = req->avail_out - stream->avail_out;  in zlib_decompress_update()
287 		 stream->avail_in, stream->avail_out,  in zlib_decompress_update()
288 		 req->avail_in - stream->avail_in, ret);  in zlib_decompress_update()
289 	req->next_in = stream->next_in;  in zlib_decompress_update()
290 	req->avail_in = stream->avail_in;  in zlib_decompress_update()
291 	req->next_out = stream->next_out;  in zlib_decompress_update()
292 	req->avail_out = stream->avail_out;  in zlib_decompress_update()
301 	struct z_stream_s *stream = &dctx->decomp_stream;  in zlib_decompress_final()  local
304 	stream->next_in = req->next_in;  in zlib_decompress_final()
305 	stream->avail_in = req->avail_in;  in zlib_decompress_final()
306 	stream->next_out = req->next_out;  in zlib_decompress_final()
307 	stream->avail_out = req->avail_out;  in zlib_decompress_final()
310 		ret = zlib_inflate(stream, Z_SYNC_FLUSH);  in zlib_decompress_final()
316 		if (ret == Z_OK && !stream->avail_in && stream->avail_out) {  in zlib_decompress_final()
317 			const void *saved_next_in = stream->next_in;  in zlib_decompress_final()
320 			stream->next_in = &zerostuff;  in zlib_decompress_final()
321 			stream->avail_in = 1;  in zlib_decompress_final()
322 			ret = zlib_inflate(stream, Z_FINISH);  in zlib_decompress_final()
323 			stream->next_in = saved_next_in;  in zlib_decompress_final()
324 			stream->avail_in = 0;  in zlib_decompress_final()
327 		ret = zlib_inflate(stream, Z_FINISH);  in zlib_decompress_final()
333 	ret = req->avail_out - stream->avail_out;  in zlib_decompress_final()
335 		 stream->avail_in, stream->avail_out,  in zlib_decompress_final()
336 		 req->avail_in - stream->avail_in, ret);  in zlib_decompress_final()
337 	req->next_in = stream->next_in;  in zlib_decompress_final()
338 	req->avail_in = stream->avail_in;  in zlib_decompress_final()
339 	req->next_out = stream->next_out;  in zlib_decompress_final()
340 	req->avail_out = stream->avail_out;  in zlib_decompress_final()