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-rw-r--r--unpack-trees.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/unpack-trees.c b/unpack-trees.c
index bf01717015..1a61e6f363 100644
--- a/unpack-trees.c
+++ b/unpack-trees.c
@@ -1154,8 +1154,10 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options
o->src_index = NULL;
ret = check_updates(o) ? (-2) : 0;
- if (o->dst_index)
+ if (o->dst_index) {
+ discard_index(o->dst_index);
*o->dst_index = o->result;
+ }
done:
clear_exclude_list(&el);