1 files changed, 19 insertions, 3 deletions
diff --git a/revision.c b/revision.c
index 0e39b2b8a5..39a25e7a5d 100644
--- a/revision.c
+++ b/revision.c
@@ -3098,7 +3098,7 @@ static void set_children(struct rev_info *revs)
 
 void reset_revision_walk(void)
 {
-	clear_object_flags(SEEN | ADDED | SHOWN);
+	clear_object_flags(SEEN | ADDED | SHOWN | TOPO_WALK_EXPLORED | TOPO_WALK_INDEGREE);
 }
 
 static int mark_uninteresting(const struct object_id *oid,
@@ -3211,10 +3211,26 @@ static void compute_indegrees_to_depth(struct rev_info *revs,
 		indegree_walk_step(revs);
 }
 
+static void reset_topo_walk(struct rev_info *revs)
+{
+	struct topo_walk_info *info = revs->topo_walk_info;
+
+	clear_prio_queue(&info->explore_queue);
+	clear_prio_queue(&info->indegree_queue);
+	clear_prio_queue(&info->topo_queue);
+	clear_indegree_slab(&info->indegree);
+	clear_author_date_slab(&info->author_date);
+
+	FREE_AND_NULL(revs->topo_walk_info);
+}
+
 static void init_topo_walk(struct rev_info *revs)
 {
 	struct topo_walk_info *info;
 	struct commit_list *list;
+	if (revs->topo_walk_info)
+		reset_topo_walk(revs);
+
 	revs->topo_walk_info = xmalloc(sizeof(struct topo_walk_info));
 	info = revs->topo_walk_info;
 	memset(info, 0, sizeof(struct topo_walk_info));
@@ -3944,7 +3960,7 @@ struct commit *get_revision(struct rev_info *revs)
 	return c;
 }
 
-char *get_revision_mark(const struct rev_info *revs, const struct commit *commit)
+const char *get_revision_mark(const struct rev_info *revs, const struct commit *commit)
 {
 	if (commit->object.flags & BOUNDARY)
 		return "-";
@@ -3966,7 +3982,7 @@ char *get_revision_mark(const struct rev_info *revs, const struct commit *commit
 
 void put_revision_mark(const struct rev_info *revs, const struct commit *commit)
 {
-	char *mark = get_revision_mark(revs, commit);
+	const char *mark = get_revision_mark(revs, commit);
 	if (!strlen(mark))
 		return;
 	fputs(mark, stdout);