X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fafb-apiset.c;h=6229b3710a3bb90b03333e71b1ba95595bc3cea1;hb=4772c5626204f6ab0e26b938f49a6719fb10f88d;hp=f837fae7680a8b98511536c8b97e434d4db98727;hpb=4bbad5bf527c8310c1f076a5cdf512d4385f8b76;p=src%2Fapp-framework-binder.git

diff --git a/src/afb-apiset.c b/src/afb-apiset.c
index f837fae7..6229b371 100644
--- a/src/afb-apiset.c
+++ b/src/afb-apiset.c
@@ -427,17 +427,23 @@ struct afb_apiset *afb_apiset_subset_get(struct afb_apiset *set)
  * Set the subset of the set
  * @param set the api set
  * @param subset the subset to set
+ *
+ * @return 0 in case of success or -1 if it had created a loop
  */
-void afb_apiset_subset_set(struct afb_apiset *set, struct afb_apiset *subset)
+int afb_apiset_subset_set(struct afb_apiset *set, struct afb_apiset *subset)
 {
 	struct afb_apiset *tmp;
-	if (subset == set) {
-		/* avoid infinite loop */
-		subset = NULL;
-	}
+
+	/* avoid infinite loop */
+	for (tmp = subset ; tmp ; tmp = tmp->subset)
+		if (tmp == set)
+			return -1;
+
 	tmp = set->subset;
 	set->subset = afb_apiset_addref(subset);
 	afb_apiset_unref(tmp);
+
+	return 0;
 }
 
 void afb_apiset_onlack_set(struct afb_apiset *set, int (*callback)(void*, struct afb_apiset*, const char*), void *closure, void (*cleanup)(void*))