Fix bug when compressing 0 samples

lib/common/cmp_data_types.c

@@ -943,7 +943,7 @@ int be_to_cpu_chunk(uint8_t *chunk, size_t chunk_size)
 	if (chunk_size < COLLECTION_HDR_SIZE)
 		return -1;
 
-	while (col_p < chunk + chunk_size - COLLECTION_HDR_SIZE) {
+	while (col_p <= chunk + chunk_size - COLLECTION_HDR_SIZE) {
 		struct collection_hdr *col_hdr = (struct collection_hdr *)col_p;
 		enum cmp_data_type data_type = convert_subservice_to_cmp_data_type(cmp_col_get_subservice(col_hdr));
 		uint32_t data_size = cmp_col_get_data_length(col_hdr);

lib/icu_compress/cmp_icu.c

@@ -2132,7 +2132,7 @@ static int compress_data_internal(const struct cmp_cfg *cfg, int stream_len)
 		return stream_len;
 
 	if (cfg->samples == 0) /* nothing to compress we are done*/
-		return 0;
+		return stream_len;
 
 	if (stream_len & 0x7) {
 		debug_print("Error: The stream_len parameter must be a multiple of 8.\n");