commit 599785e85d854563801d9640012f93e799ff87ea
from: Omar Polo <op@omarpolo.com>
via: Thomas Adam <thomas@xteddy.org>
date: Sun Sep 04 15:52:15 2022 UTC

got_commit_graph_close: free tailq contents

The tailq should ideally be empty when we reach got_commit_graph_close,
but consumer code may exit the commit graph loop earlier.

spotted by and ok stsp@

commit - 8dbcf3885ae920e0fd38a455e7577824989a605f
commit + 599785e85d854563801d9640012f93e799ff87ea
blob - 5fb4e1e85c7a74b5eb7ad59732f75f45ac841f7a
blob + 433147d759abe949b7efd514d370f93b4c975e13
--- lib/commit_graph.c
+++ lib/commit_graph.c
@@ -534,6 +534,13 @@ done:
 void
 got_commit_graph_close(struct got_commit_graph *graph)
 {
+	struct got_commit_graph_node *node;
+
+	while ((node = TAILQ_FIRST(&graph->iter_list))) {
+		TAILQ_REMOVE(&graph->iter_list, node, entry);
+		free(node);
+	}
+
 	if (graph->open_branches)
 		got_object_idset_free(graph->open_branches);
 	if (graph->node_ids)