57 	struct squashfs_lz4 *stream;  in lz4_init()  local
59 	stream = kzalloc(sizeof(*stream), GFP_KERNEL);  in lz4_init()
60 	if (stream == NULL)  in lz4_init()
62 	stream->input = vmalloc(block_size);  in lz4_init()
63 	if (stream->input == NULL)  in lz4_init()
65 	stream->output = vmalloc(block_size);  in lz4_init()
66 	if (stream->output == NULL)  in lz4_init()
69 	return stream;  in lz4_init()
72 	vfree(stream->input);  in lz4_init()
74 	kfree(stream);  in lz4_init()
83 	struct squashfs_lz4 *stream = strm;  in lz4_free()  local
85 	if (stream) {  in lz4_free()
86 		vfree(stream->input);  in lz4_free()
87 		vfree(stream->output);  in lz4_free()
89 	kfree(stream);  in lz4_free()
97 	struct squashfs_lz4 *stream = strm;  in lz4_uncompress()  local
98 	void *buff = stream->input, *data;  in lz4_uncompress()
111 	res = lz4_decompress_unknownoutputsize(stream->input, length,  in lz4_uncompress()
112 					stream->output, &dest_len);  in lz4_uncompress()
118 	buff = stream->output;  in lz4_uncompress()