+
+/**
+ * free_statskey - free an stats key structure.
+ * @key: The key to free.
+ *
+ * Takes a stats key and frees the memory used by it and the linked list
+ * of sigs under it. Doesn't recurse into the list as it's assumed all the
+ * objects referenced also exist in the hash.
+ */
+void free_statskey(struct stats_key *key)
+{
+ if (key != NULL) {
+ if (key->sigs != NULL) {
+ llfree(key->sigs, NULL);
+ key->sigs = NULL;
+ }
+ if (key->signs != NULL) {
+ llfree(key->signs, NULL);
+ key->signs = NULL;
+ }
+ free(key);
+ }
+}