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unpack-trees: plug a memory leak

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Before overwriting the destination index, first let's discard its
contents.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Tested-by: Лежанкин Иван <abyss.7@gmail.com> wrote:
Reviewed-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Felipe Contreras 2013-08-13 20:27:58 +02:00 committed by Junio C Hamano
parent 425df881e0
commit e28f764159
1 changed files with 3 additions and 1 deletions
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unpack-trees.c
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@ -1154,8 +1154,10 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options
o->src_index = NULL; o->src_index = NULL;
ret = check_updates(o) ? (-2) : 0; ret = check_updates(o) ? (-2) : 0;
if (o->dst_index) if (o->dst_index) {
discard_index(o->dst_index);
*o->dst_index = o->result; *o->dst_index = o->result;
}
done: done:
clear_exclude_list(&el); clear_exclude_list(&el);