Detect error if cmp_par is NULL

lib/common/cmp_error.c

@@ -88,6 +88,8 @@ const char* cmp_get_error_string(enum cmp_error code)
 		return "Buffer related parameter is not valid";
 	case CMP_ERROR_PAR_MAX_USED_BITS:
 		return "Maximum used bits parameters are not valid";
+	case CMP_ERROR_PAR_NULL:
+		return "Pointer to the compression parameters structure is NULL.";
 
 	case CMP_ERROR_CHUNK_NULL:
 		return "Pointer to the chunk is NULL. No data, no compression";

lib/common/cmp_error_list.h

@@ -35,6 +35,7 @@ enum cmp_error {
 	CMP_ERROR_PAR_SPECIFIC = 21,
 	CMP_ERROR_PAR_BUFFERS = 22,
 	CMP_ERROR_PAR_MAX_USED_BITS = 23,
+	CMP_ERROR_PAR_NULL = 24,
 	/* chunk errors */
 	CMP_ERROR_CHUNK_NULL = 40,
 	CMP_ERROR_CHUNK_TOO_LARGE = 41,

lib/icu_compress/cmp_icu.c

@@ -2688,6 +2688,7 @@ uint32_t compress_chunk(void *chunk, uint32_t chunk_size,
 	size_t read_bytes;
 
 	RETURN_ERROR_IF(chunk == NULL, CHUNK_NULL, "");
+	RETURN_ERROR_IF(cmp_par == NULL, PAR_NULL, "");
 	RETURN_ERROR_IF(chunk_size < COLLECTION_HDR_SIZE, CHUNK_SIZE_INCONSISTENT,
 			"chunk_size: %"PRIu32"", chunk_size);
 	RETURN_ERROR_IF(chunk_size > CMP_ENTITY_MAX_ORIGINAL_SIZE, CHUNK_TOO_LARGE,