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-rw-r--r--builtin-write-tree.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/builtin-write-tree.c b/builtin-write-tree.c
index c3aac36024..70e9b6fcc6 100644
--- a/builtin-write-tree.c
+++ b/builtin-write-tree.c
@@ -16,7 +16,7 @@ int write_tree(unsigned char *sha1, int missing_ok, const char *prefix)
int entries, was_valid, newfd;
/* We can't free this memory, it becomes part of a linked list parsed atexit() */
- struct lock_file *lock_file = xmalloc(sizeof(struct lock_file));
+ struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file));
newfd = hold_lock_file_for_update(lock_file, get_index_file());