fsck: fix leak when traversing trees

While fsck_walk/fsck_walk_tree/parse_tree populates "struct tree" idempotently, it is still up to the fsck_walk caller to call free_tree_buffer. Fixes: ad2db4030e42890e ("fsck: remove redundant parse_tree() invocation") Signed-off-by: Eric Wong <e@80x24.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Eric Wong committed Jan 20, 2018 at 07:43 UTC ba3a08ca0ec0d800d2fdbe73984927c1d8199082
1 file changed +7 -1
builtin/fsck.c
+7 -1
@@ -170,7 +170,13 @@ static void mark_object_reachable(struct object *obj)
170
171 static int traverse_one_object(struct object *obj)
172 {
173 - return fsck_walk(obj, obj, &fsck_walk_options);
173 + int result = fsck_walk(obj, obj, &fsck_walk_options);
174 +
175 + if (obj->type == OBJ_TREE) {
176 + struct tree *tree = (struct tree *)obj;
177 + free_tree_buffer(tree);
178 + }
179 + return result;
180 }
181
182 static int traverse_reachable(void)