use xcalloc() to allocate zero-initialized memory

diff --git a/object.c b/object.c
index 57a0890a87b66ea493337409606e57fd44d29f90..9c31e9a5e0e0d913044501089e09037e47894f03 100644 (file)
--- a/object.c
+++ b/object.c
@@ -197,8 +197,8 @@ struct object *parse_object_buffer(const unsigned char *sha1, enum object_type t
                if (commit) {
                        if (parse_commit_buffer(commit, buffer, size))
                                return NULL;
-                       if (!commit->buffer) {
-                               commit->buffer = buffer;
+                       if (!get_cached_commit_buffer(commit, NULL)) {
+                               set_commit_buffer(commit, buffer, size);
                                *eaten_p = 1;
                        }
                        obj = &commit->object;